Hyunseok Song^†, Soo-Yoon Hwang^†, Kil-Dong Sung^†, Xiaoxing Cheng, Jong Hoon Jung, Jung-Min Park, Ashok Kumar, Kee Hoon Kim, Sung-Yoon Chung, Seung-Wook Kim, Long-Qing Chen, Chang-Beom Eom, Dae-Yong Jeong^*, Si-Young Choi^* and Jungho Ryu^* († equally contributed authors), "Localized Flexoelectric Effect Around Ba(CuNb) Nano-Clusters in Epitaxial BiFeO₃ Films for Enhancement of Electric and Multiferroic Properties", Advanced Functional Materials XX, XX (2024) [pdf]

Heung-Sik Park, Jinhyuk Jang, Ji Soo Lim, Jeonghun Suh, Si-Young Choi and Chan-Ho Yang^*, "Oxygen vacancy order-disorder transition process during topotactic filament formation in a perovskite oxide tracked by Raman microscopy and transmission electron microscopy", Applied Physics Reviews 11, 041406 (2024) [pdf]

Sang J. Park, Phuoc Cao Van, Min-Gu Kang, Hyeon-Jung Jung, Gi-Yeop Kim, Si-Young Choi, Jung-Woo Yoo, Byong-Guk Park, Se Kwon Kim^*, Jong-Ryul Jeong^* and Hyungyu Jin^*, "Enhancing spin pumping by nonlocal manipulation of magnon temperature", Matter XX, XX (2024) [Accepted] [html]

Youngki Yeo, Jihun Kim, Jeonghun Suh, Jinhyuk Jang, Kyungrok Kang, Peggy Schoenherr, Kwang-Tak Kim, Yong-Jin Kim, Kee Hoon Kim, Clemens Ulrich, Jan Seidel, Si-Young Choi and Chan-Ho Yang^*, "Exploring the Possibility of Thermally Assisted Creation and Annihilation of Anti-Frenkel Defects in a Multiferroic Oxide for Tuning Interfacial Ferroelectricity", Advanced Materials Interfaces 11, 2400027 (2024) [pdf]

Seung Jo Yoo^†, Jaejin Hwang^†, Jinhyuk Jang^†, Jae Hyuck Jang^†, Chang Hyun Park^†, Ji-Hyun Lee, Min Yeong Choi, Jong Min Yuk, Si-Young Choi^*, Jaekwang Lee^* and Sung-Yoon Chung^* († equally contributed authors), "Comparing the Impacts of Strain Types on Oxygen-Vacancy Formation in a Perovskite Oxide via Nanometer-Scale Strain Fields", ACS Nano 18, 18465-18476 (2024) [pdf]

Hyeji Sim^†, Kyung-Yeon Doh^†, Yunkyu Park, Kyung Song, Gi-Yeop Kim, Junwoo Son, Donghwa Lee^* and Si-Young Choi^* († equally contributed authors), "Crystallographic Pathways to Tailoring Metal-Insulator Transition through Oxygen Transport in VO₂", Small 20, 2402260 (2024) [pdf]

Heonsu Ahn^†, Gunho Moon^†, Hang-gyo Jung, Bingchen Deng, Dong-Hwan Yang, Sera Yang, Cheolhee Han, Hyunje Cho, Youngki Yeo, Cheol-Joo Kim, Chan-Ho Yang, Jonghwan Kim, Si-Young Choi, Hongkun Park, Jongwook Jeon, Jin-Hong Park and Moon-Ho Jo* († equally contributed authors), "Integrated 1D epitaxial mirror twin boundaries for ultrascaled 2D MoS₂ field-effect transistors", Nature Nanotechnology 19, 955-961 (2024) [pdf]

Jiye Kim, Jaesub Song, Hyunjoung Kwak, Chang-Won Choi, Kyungmi Noh, Seokho Moon, Hyeonwoong Hwang, Inyong Hwang, Hokyeong Jeong, Si-Young Choi, Seyoung Kim, Jong Kyu Kim*, "Attojoule Hexagonal Boron Nitride-Based Memristor for High-Performance Neuromorphic Computing", Small XX, 2403737 (2024) [pdf]

Jieun Kim^†, Muqing Yu^†, Jung-Woo Lee^†, Shun-Li Shang, Gi-Yeop Kim, Pratap Pal, Jinsol Seo, Neil Campbell, Kitae Eom, Ranjani Ramachandran, Mark S. Rzchowski, Sang Ho Oh, Si-Young Choi, Zi-Kui Liu, Jeremy Levy, and Chang-Beom Eom^* († equally contributed authors), “Electronic-grade epitaxial (111) KTaO₃ heterostructures”, Science Advances 10, eadk4288 (2024) [pdf]

Yujeong Lee^†, Daseob Yoon^†, Yeon-Seo Nam^†, Sangbae Yua, Chaesung Limb, Hyeji Sim, Yunkyu Park, Jeong Woo Han, Si-Young Choi^*, and Junwoo Son^* († equally contributed authors), “Accelerating metal nanoparticle exsolution by exploiting tolerance factor of perovskite stannate”, Materials Horizons 11, 3835-3843 (2024) [pdf]

Yongjoo Jo, Younji Kim, Sanghyeon Kim, Eunjo Ryoo, Gahee Noh, Gi-Jeong Han, Ji Hye Lee^*, Won Joon Cho^*, Gil-Ho Lee, Si-Young Choi^*, and Daesu Lee^*, “Field-Free Spin-Orbit Torque Magnetization Switching in a Single-Phase Ferromagnetic and Spin Hall Oxide”, Nano Letters 24, 7100-7107 (2024) [pdf]

Jin Wook Lim, Dong Heon Choo, Jin Hyuk Cho, Jaehyun Kim, Won Seok Cho, Odongo Francis Ngome Okello, Kisoo Kim, Sungwon Lee, Junwoo Son, Si-Young Choi, Jong Kyu Kim, Ho Won Jang^*, Soo Young Kim^*, and Jong-Lam Lee^*, “A MOF-derived pyrrolic N-stabilized Ni single atom catalyst for selective electrochemical reduction of CO₂ to CO at high current density”, Journal of Materials Chemistry A 12, 11090 (2024) [pdf]

Chaehwa Jeong, Juhyeok Lee, Hyesung Jo, Jaewhan Oh, Hionsuck Baik, Kyoung-June Go, Junwoo Son, Si-Young Choi, Sergey Prosandeev, Laurent Bellaiche and Yongsoo Yang^*, “Revealing the three-dimensional arrangement of polar topology in nanoparticles”, Nature Communications 15, 3887 (2024) [pdf]

Jinhyuk Jang and Si-Young Choi^*, "Reduced dimensional ferroelectric domains and their characterization techniques", Microstructures 4, 2024016 (2024) [pdf]

Dong Kyu Lee, Sungwon Lee, Hyeji Sim, Yunkyu Park, Si-Young Choi, and Junwoo Son^*, "Piezo strain-controlled phase transition in single-crystalline Mott switches for threshold-manipulated leaky integrate-and-fire neurons", Science Advances 10, eadk8836 (2024) [pdf]

Jung Woo Cho^†, Myeong Seop Song^†, In Hyeok Choi, Kyoung-June Go, Jaewoo Han, Tae Yoon Lee, Chihwan An, Hyung-Jin Choi, Changhee Sohn, Min Hyuk Park, Seung-Hyub Baek, Jong Seok Lee^*, Si-Young Choi^*, and Seung Chul Chae^* († equally contributed authors), “Atomic Layer Deposition of Epitaxial Ferroelectric Hf_0.5Zr_0.5O₂ Thin Films”, Advanced Functional Materials 34, 2314396 (2024) [pdf]

Odongo Francis Ngome Okello^†, Dong-Hwan Yang^†, Seung-Young Seo, Jewook Park, Gunho Moon, Dongwon Shin, Yu-Seong Chu, Sejung Yang, Teruyasu Mizoguchi, Moon-Ho Jo^*, and Si-Young Choi^* († equally contributed authors), “Atomistic Probing of Defect-Engineered 2H-MoTe₂ Monolayers”, ACS Nano 18, 6927-6935 (2024) [pdf]

So-Yeon Kim^†, Yu-Jeong Yang^†, Eun Gyu Lee, Min-Su Kim, Kyoung-June Go, Minseuk Kim, Gi-Yeop Kim, Sora Lee, Chiho Jo, Sungho Choi^*, Si-Young Choi^* († equally contributed authors), “Site selectivity of single dopant in high-nickel cathodes for lithium-ion batteries”, Chemical Engineering Journal 482, 148869 (2024) [pdf]

Lu Guo, Neil Campbell, Alexander J. Grutter, Gahee Noh, Tianxiang Nan, P. Quarterman, Si-Young Choi, Thomas Tybell, Mark S. Rzchowski, and Chang-Beom Eom^*, “Tuning the magnetic anisotropy in artificially layered Mn₃GaN/Mn₃Ga superlattices”, Physical Review Materials 8, L011401 (2024) [pdf]

Dong-Hwan Yang†, Yu-Seong Chu†, Odongo Francis Ngome Okello, Seung-Young Seo, Gunho Moon, Kwang Ho Kim, Moon-Ho Jo, Dongwon Shin, Sejung Yang* and Si-Young Choi* († equally contributed authors), “Full automation of point defect detection in transition metal dichalcogenides through dual mode deep learning algorithm”, Materials Horizons 11, 747-757 (2024) [pdf]

Tae Wan Park, Young Lim Kang, Eun Bin Kang, Hyunsung Jung, Seoung-Ki Lee,Geon-Tae Hwang, Jung Woo Lee, Si-Young Choi, Sahn Nahm, Se-Hun Kwon*,Kwang Ho Kim*, and Woon Ik Park*, "Direct Printing of Ultrathin Block Copolymer Film with Nano-in-Micro Pattern Structures", Advanced Science 10, 2303412 (2023) [pdf]

Si Jin Seong, Minseuk Kim, Jeong-Min Kim, Changil Park, Semin Ko, Ja Yeon Kim, Mihye Wu, Young-Chul Song, Si-Young Choi*, Sungho Choi*, "Controlled crystal growth and electrode formation of single crystalline Li(Ni,Mn)₂O₄ spinel cathodes", Journal of Alloys and Compounds 961, 171082 (2023) [pdf]

Byeong Su Gu, Soumen Dutta, Yu-Rim Hong, Odongo Francis Ngome Okello, Hyeonae Im, Seungil Ahn, Si-Young Choi, Jeong Woo Han, Sunmin Ryu, In Su Lee*, "Harmonious Heterointerfaces Formed on 2D-Pt Nanodendrites by Facet-Respective Stepwise Metal Deposition for Enhanced Hydrogen Evolution Reaction", Angewandte Chemie International Edition 62, e202307816 (2023) [pdf]

Michael Patton, Gautam Gurung, Ding-Fu Shao, Gahee Noh, Joseph A. Mittelstaedt, Marcel Mazur, Jong-Woo Kim, Philip J. Ryan, Evgeny Y. Tsymbal, Si-Young Choi, Daniel C. Ralph, Mark S. Rzchowski, Tianxiang Nan, Chang-Beom Eom*, "Symmetry control of unconventional spin-orbit torques in IrO₂", Advanced Materials 35, 2301608 (2023) [pdf]

Kun Yang†, Gi-Yeop Kim†, Jin Joo Ryu, Dong Hyun Lee, Ju Yong Park, Se Hyun Kim, Geun Hyeong Park, Geun Taek Yu, Gun Hwan Kim*, Si Young Choi*, Min Hyuk Park* († equally contributed authors), "Wake-up-mitigated giant ferroelectricity in Hf_0.5Zr_0.5O₂ thin films through oxygen-providing, surface-oxidized W electrode", Materials Science in Semiconductor Processing 164, 107565 (2023) [pdf]

Min-Yeong Choi†, Chang-Won Choi†, Dong-Yeong Kim, Moon-Ho Jo, Yong-Sung Kim*, Si-Young Choi*, and Cheol-Joo Kim* († equally contributed authors), "Thermodynamically Driven Tilt Grain Boundaries of Monolayer Crystals Using Catalytic Liquid Alloys", Nano Letters 23, 4516-4523 (2023) [pdf]

Yong-Jun Kwon, Youngki Yeo, Min-Su Kim, Yong-Jin Kim, Heung-Sik Park, Jaegyu Kim, Si-Young Choi, and Chan-Ho Yang*, "Observation of Hidden Polar Phases and Flux Closure Domain Topology in Bi₂WO₆ Thin Films", Nano Letters 23, 4557-4563 (2023) [pdf]

Soo-Yoon Hwang†, Gyoung-Ja Lee†, Yuzhao Qi, Michael Abraham Listyawan, Kyung Song, Youngho Kang, Jungho Ryu, Xiaoyan Lu, Min-Ku Lee* and Si-Young Choi* († equally contributed authors), "Enhanced thermal stability by short-range ordered ferroelectricity in K_0.5Na_0.5NbO₃-based piezoelectric oxides", Materials Horizons 10, 2656 (2023) [pdf]

Ji-Sang An, Hae-Seung Lee, Pilgyu Byeon, Dongho Kim, Hyung Bin Bae, Si-Young Choi, Jungho Ryu and Sung-Yoon Chung*, "Unveiling of interstice-occupying dopant segregation at grain boundaries in perovskite oxide dielectrics for a new class of ceramic capacitors", Energy & Environmental Science 16, 1992-2002 (2023) [pdf]

Jiye Kim, Kyung-Yeon Doh, Seokho Moon, Chang-Won Choi, Hokyeong Jeong, Jaewon Kim, Wonseok Yoo, Kyungwook Park, Kyeongock Chong, Chunhyng Chung, Hanmei Choi, Si-Young Choi, Donghwa Lee, and Jong Kyu Kim*, "Conformal Growth of Hexagonal Boron Nitride on High-Aspect Ratio Silicon-Based Nanotrenches", Chemistry of Materials 35, 2429-2438 (2023) [pdf]

Un Yang, Byunghwa Kang, Moon-Jung Yong, Dong-Hwan Yang, Si-Young Choi, Jung Ho Je^*, and Seung Soo Oh^*, "Type-Independent 3D Nano-Writing of Confined Biopolymers", Advanced Science 10, 2207403 (2023) [pdf]

Ping-Luen Ho^†, Zhihao Huang^†, Lei Jin, Si-Young Choi, Rafal E. Dunin-Borkowski, Joachim Mayer, Shik Chi Edman Tsang, and Xiaoyan Zhong^* († equally contributed authors), "Atomic-scale determination of cation and magnetic order in the triple perovskite Sr₃Fe₂ReO₉", Microscopy and Microanalysis 29, 326-333 (2023) [pdf]

Youngki Yeo, Soo-Yoon Hwang, Jinwook Yeo, Jihun Kim, Jinhyuk Jang, Heung-Sik Park, Yong-Jin Kim, Duc Duy Le, Kyung Song, Moonhong Kim, Seunghwa Ryu* , Si-Young Choi*, and Chan-Ho Yang*, "Configurable Crack Wall Conduction in a Complex Oxide", Nano Letters 23, 398-406 (2023) [pdf]

Liguo Zhang, Litao Yu, Oi Lun Li^*, Si-Young Choi, Ghuzanfar Saeed, Damin Lee, and Kwang Ho Kim^*, "Facile Synthesis of Necessary Amorphous Structure FePO₄ Nanospheres as Superior Sodium-Ion Battery Cathodes", ACS Applied Energy Materials 5, 5954-5963 (2022) [pdf]

Liguo Zhang, Litao Yu, Oi Lun Li^*, Si-Young Choi^*, Minwoo Kim, Ghuzanfar Saeed, Shufeng Bo, and Kwang Ho Kim^* , "FeF30.33H2O@C nanocomposites derived from pomegranate structure as high-performance cathodes for sodium- and lithium-ion batteries", Journal of Power Sources 547, 232014 (2022) [pdf]

Yunkyu Park, Hyeji Sim, Kyung-Yeon Doh, Minguk Jo, Donghwa Lee, Si-Young Choi, and Junwoo Son*, "Anionic Flow Valve Across Oxide Heterointerfaces by Remote Electron Doping", Nano Letters 22, 9306-9312 (2022) [pdf]

Minguk Jo, Ye-Won Seo, HyoJin Yoon, Yeon-Seo Nam, Si-Young Choi, Byung Joon Choi and Junwoo Son^* , "Embedded metallic nanoparticles facilitate metastability of switchable metallic domains in Mott threshold switches", Nature communications 13, 4609 (2022) [pdf]

 Hyung-Jin Choi, Jinhyuk Jang, Soo Young Jung, Ruiguang Ning, Min-Seok Kim, Sung-Jin Jung, Jun Young Lee, Jin Soo Park, Byung Chul Lee, Ji-Soo Jang, Seong Keun Kim, Kyu Hyoung Lee, June Hyuk Lee, Sung Ok Won, Yulan Li, Shenyang Hu, Si-Young Choi and Seung-Hyub Baek^*, "Thermal stress-assisted annealing to improve the crystalline quality of an epitaxial YSZ buffer layer on Si", J. Mater. Chem. C 10, 10027-10036 (2022) [pdf]

Yanzhe Dong, Xiaoyan Lu^*, Jinhui Fan, Si-Young Choi and Hui Li^*, "Strain Engineering of Domain Coexistence in Epitaxial Lead-Titanate Thin Films", Coatings 12, 040542 (2022) [html]

Seunghun Kang^†, Woo-Sung Jang^†, Anna N. Morozovska^†, Owoong Kwon, Yeongrok Jin, Young-Hoon Kim, Hagtoul Bae, Chenxi Wang, Sang-Hyeok Yang, Alex Belianinov, Steven Randolph, Eugene A. Eliseev, Liam Collins, Yeehyun Park, Sanghyun Jo, Min-Hyoung Jung, Kyoung-June Go, Hae Won Cho, Si-Young Choi, Jae Hyuck Jang, Sunkook Kim, Hu Young Jeong, Jaekwang Lee, Olga S. Ovchinnikova, Jinseong Heo^*, Sergei V. Kalinin^*, Young-Min Kim^*, and Yunseok Kim^* († equally contributed authors), "Highly enhanced ferroelectricity in HfO₂-based ferroelectric thin film by light ion bombardment", Science 376, 731-738 (2022) [pdf]

Yu-Rim Hong^†, Soumen Dutta^†, Sun Woo Jang, Odongo Francis Ngome Okello, Hyeonae Im, Si-Young Choi, Jeong Woo Han, and In Su Lee^* († equally contributed authors), "Crystal Facet-Manipulated 2D Pt Nanodendrites to Achieve an Intimate Heterointerface for Hydrogen Evolution Reactions", J. Am. Chem. Soc 144, 9033-9043 (2022) [pdf]

Hoon Kim^†, Joel Bertinshaw^†, J. Porras, B. Keimer, Jungho Kim, J.-W. Kim, Jimin Kim, Jonghwan Kim, Gahee Noh, Gi-Yeop Kim, Si-Young Choi, and B. J. Kim^* († equally contributed authors), "Sr₂IrO₄/Sr₃Ir₂O₇ superlattice for a model two-dimensional quantum Heisenberg antiferromagnet", Physical Review Research 4, 013229 (2022) [pdf]

Ji Hye Lee^*, Hong Joon Kim, Eunjo Ryoo, Jinhyuk Jang, Sanghyeon Kim, Jeong Rae Kim, Se Young Park, Si-Young Choi^*, Tae Won Noh^*, and Daesu Lee^*, "Thickness-Driven Morphotropic Phase Transition in Metastable Ferroelectric CaTiO₃ Films", Advanced Electronic Materials 8, 2101398 (2022) [pdf]

Min-Yeong Choi^†, Chang-Won Choi^†, Seong-Jun Yang, Hojeong Lee, Shinyoung Choi, Jun-Ho Park, Jong Heo, Si-Young Choi*, and Cheol-Joo Kim* († equally contributed authors), "Substrate-Dependent Growth Mode Control of MoS₂ Monolayers: Implications for Hydrogen Evolution and Field-Effect Transistors", ACS Applied Nano Materials 5, 4336-4342 (2022) [pdf]

Mohsen Saeidi, Minjong Lee, Odongo Francis Ngome Okello, Si-Young Choi, Seung Soo Oh*, and Abdolreza Simchi*, "Ultrafast Graphitization and Reduction of Spongy Graphene Oxide by Low-Energy Electromagnetic Radiation to Boost the Performance and Stability of Carbon-Based Supercapacitors", ACS Applied Energy Materials 5, 367-379 (2022) [pdf]

Kwang Hee Kim^†, Chang-Won Choi^†, Seokhyun Choung, Yoonjun Cho, Sungsoon Kim, Cheoulwoo Oh, Kug-Seung Lee, Chang-Lyoul Lee, Kan Zhang, Jeong Woo Han*, Si-Young Choi*, and Jong Hyeok Park* († equally contributed authors), "Continuous Oxygen Vacancy Gradient in TiO₂ Photoelectrodes by a Photoelectrochemical-Driven “Self-Purification” Process", Advanced Energy Materials 12, 2103495 (2022) [pdf]

Inseob Shin^†, Won Joon Cho^†, Eun-Su An, Sungyu Park, Hyeon-Woo Jeong, Seong Jang, Woon Joong Baek, Seong Yong Park, Dong-Hwan Yang, Jun Ho Seo, Gi-Yeop Kim, Mazhar N. Ali, Si-Young Choi, Hyun-Woo Lee, Jun Sung Kim, Sungdug Kim, and Gil-Ho Lee* († equally contributed authors), "Spin-orbit Torque Switching in an All-Van der Waals Heterostructure", Advanced Materials 34, 2101730 (2022) [pdf]

Hyemin Park^†, Eun Gyu Lee^†, So-Yeon Kim, Si Jin Seong, Jae Yong Suh, Mihye Wu, Yongku Kang, Si-Young Choi*, Yongseon Kim*, and Sungho Choi* († equally contributed authors) "Free-Standing, Robust, and Stable Li⁺ Conductive Li(Sr,Zr)2(PO4)3/PEO Composite Electrolytes for Solid-State Batteries", ACS Applied Energy Materials 4, 13974-13982 (2021) [pdf]

Jongyun Lee, Wonjun Lee, Gi-Yeop Kim, Yong-Bin Choi, Jinho Park, Seong Jang, Genda Gu, Si-Young Choi, Gil Young Cho, Gil-Ho Lee*, and Hu-Jong Lee*, "Twisted van der Waals Josephson Junction Based on a High-T_c Superconductor", Nano Letters 21, 10469-10477 (2021) [pdf]

Jongmin Lee^†, Gi-Yeop Kim^†, Seyeop Jeong, Mihyun Yang, Jong-Woo Kim, Byeong-Gwan Cho, Yongseong Choi, Sangmo Kim, Jin San Choi, Tae Kwon Lee, Jiwoong Kim, Dong Ryeol Lee, Seo Hyoung Chang, Sungkyun Park, Jong Hoon Jung, Chung Wung Bark, Tae-Young Koo, Philip J. Ryan, Kyuwook Ihm, Sanghoon Kim, Si-Young Choi*, Tae Heon Kim*, and Sanghan Lee* († equally contributed authors), "Template Engineering of Metal-to-Insulator Transition in Epitaxial Bilayer Nickelate Thin Films", ACS Applied Materials & Interfaces 13, 54466-54475 (2021) [pdf]

Shane Lindemann^†, Julian Irwin^†, Gi-Yeop Kim, Bo Wang, Kitae Eom, Jianjun Wang, Jiamian Hu, Long-Qing Chen, Si-Young Choi, Chang-Beom Eom*, and Mark S. Rzchowski* († equally contributed authors), "Low-voltage magnetoelectric coupling in membrane heterostructures", Science Advances 7, eabh2294 (2021) [pdf]

Odongo Francis Ngome Okello, Dong-Hwan Yang, Yu-seong Chu, Sejung Yang, and Si-Young Choi*, "Atomic-level defect modulation and characterization methods in 2D materials", APL Materials 9, 100902 (2021) [pdf]

Odongo Francis Ngome Okello^†, Kyung-Yeon Doh^†, Hye Su Kang, Kyung Song, Yong-Tae Kim, Kwang Ho Kim, Donghwa Lee*, and Si-Young Choi* († equally contributed authors), "Visualization of Transition Metal Decoration on h-BN Surface", Nano Letters 21, 10562-10569 (2021) [pdf]

Dong Kyu Lee^†, Yunkyu Park^†, Hyeji Sim^†, Jinheon Park, Younghak Kim, Gi-Yeop Kim, Chang-Beom Eom, Si-Young Choi*, and Junwoo Son* († equally contributed authors), "Heterogeneous integration of single-crystalline rutile nanomembranes with steep phase transition on silicon substrates", Nature Communications 12, 5019 (2021) [pdf]

Daseob Yoon, Yujeong Lee, Gi-Yeop Kim, Youngho Kang, Si-Young Choi, and Junwoo Son*, "Harnessing Selective Exsolution of Sn Metal to Enhance Electrical Conductivity in Oxygen-Deficient Perovskite Stannates", Advanced Functional Materials 31, 2105086 (2021) [pdf]

Junghwa Lee, Yujeong Yang, Mihee Jeong, Nicolas Dupre, Maxim Avdeev, Won-Sub Yoon, Si-Young Choi, and Byoungwoo Kang*, "Superior Rate Capability and Cycling Stability in Partially Cation-Disordered Co-Free Li-Rich Layered Materials Enabled by an Initial Activation Process", Chemistry of Materials 33, 5115-5126 (2021) [pdf]

Hyunjong Lee^† , Odongo Francis Ngome Okello^†, Gi-Yeop Kim, Kyung Song*, and Si-Young Choi* († equally contributed authors), "TEM sample preparation using micro-manipulator for in-situ MEMS experiment", Applied Microscopy 51, 8 (2021) [pdf]

Liguo Zhang, Yu Litao, Oi Lun Li*, Si-Young Choi, Ghuzanfar Saeed, and Kwang Ho Kim*, "FeF₃·0.33H₂O@Carbon Nanosheets with Honeycomb Architectures for High-capacity Lithium-ion Cathode Storage by Enhanced Pseudocapacitance", Journal of Materials Chemistry A 9, 16370 (2021) [pdf]

Kyung Song, Taewon Min, Jinsol Seo, Sangwoo Ryu, Hyungwoo Lee, Zhipeng Wang, Si-Young Choi, Jaekwang Lee, Chang-Beom Eom, and Sang Ho Oh*, "Electronic and Structural Transitions of LaAlO₃/SrTiO₃ Heterostructure Driven by Polar Field-Assisted Oxygen Vacancy Formation at the Surface", Advanced Science 8, 2002073 (2021) [pdf]

Jaewon Kim^†, Youngkwang Kim^†, Odongo Francis Ngome Okello, Seokho Moon, Jiye Kim, Si-Young Choi, Junwoo Son*, and Jong Kyu Kim* († equally contributed authors), "Structural evolution of hexagonal boron nitride powder by Bead-milling", Materials Letters 300, 130118 (2021) [pdf]

Gangtae Jin^†, Chang-Soo Lee^†, Odongo F. N. Okello, Suk-Ho Lee, Min Yeong Park, Soonyoung Cha, Seung-Young Seo, Gunho Moon, Seok Young Min, Dong-Hwan Yang, Cheolhee Han, Hyungju Ahn, Jekwan Lee, Hyunyong Choi, Jonghwan Kim, Si-Young Choi, and Moon-Ho Jo* († equally contributed authors), “Heteroepitaxial van der Waals semiconductor superlattices” Nature Nanotechnology 16, 1092-1098 (2021) [pdf]

Jun-Ho Park^†, Seong-Jun Yang^†, Chang-Won Choi, Si-Young Choi*, and Cheol-Joo Kim* († equally contributed authors), “Pristine Graphene Insertion at the Metal/Semiconductor Interface to Minimize Metal-Induced Gap States”, ACS Applied Materials & Interfaces 13, 22828-22835 (2021) [pdf]

Junho Seo, Eun Su An, Taesu Park, Soo-Yoon Hwang, Gi-Yeop Kim, Kyung Song, Woo-Suk Noh, Jaeyoung KIm, Gyu Seung Choi, Minhyuk Choi, Eunseok Oh, Kenji Watanabe, Takashi Taniguchi, Jae-Hoon Park, Youn Jung Jo, Han Woong Yeom, Si-Young Choi*, Ji Hoon Shim*, and Jun Sung Kim*, “Tunable high-temperature itinerant antiferromagnetism in a van der Waals magnet”, Nature Communications 12, 2844 (2021) [pdf]

Min Young Kim, Sang J. Park, Gi-Yeop Kim, Si-Young Choi, and Hyungyu Jin*, “Designing efficient spin Seebeck-based thermoelectric devices via simultaneous optimization of bulk and interface properties ”, Energy & Environmental Science 14, 3480 (2021) [pdf]

Seung-Young Seo, Gunho Moon, Odongo F. N. Okello, Min Yeong Park, Cheolhee Han, Soonyoung Cha, Hyunyong Choi, Han Woong Yeom, Si-Young Choi, Jewook Park and Moon-Ho Jo*, “Reconfigurable photo-induced doping of two-dimensional van der Waals semiconductors using different photon energies ”, Nature electronics 4, 38-44 (2021) [pdf]

Hokyeong Jeong, Jiye Kim, Dong Yeong Kim, Jaewon Kim, Seokho Moon, Odongo Francis Ngome Okello, Sangmin Lee, Hyunsang Hwang, Si-Young Choi, and Jong Kyu Kim*, “Resistive switching in few-layer hexagonal boron nitride mediated by defects and interfacial charge transfer”, ACS Applied Materials & Interfaces 12, 46288-46295 (2020) [pdf]

Jeong Rae Kim†, Jinhyuk Jang†, Kyoung-June Go, Se Young Park*, Chang Jae Roh, John Bonini, Jin Kwon Kim, Han Gyeol Lee, Karin Rabe, Jongseok Lee, Si-Young Choi*, Tae Won Noh*, and Daesu Lee* († equally contributed authors), “Stabilizing hidden room-temperature ferroelectricity via a metastable atomic distortion pattern”, Nature Communications 11, 4944 (2020) [pdf]

Shinhee Yun, Kyung Song, Kanghyun Chu, Soo-Yoon Hwang, Gi-Yeop Kim, Jeongdae Seo, Chang-Su Woo, Si-Young Choi*, and Chan-Ho Yang*, “Flexopiezoelectricity at ferroelastic domain walls in WO3 films”, Nature Communications 11, 4898 (2020) [pdf]

T. Nan, C. X. Quintela, J. Irwin, G. Gurung, D. F. Shao, J. Gibbons, N. Campbell, K. Song, S. Y. Choi, L. Guo, R. D. Johnson, P. Manuel, R. V. Chopdekar, I. Hallsteinsen, T. Tybell, P. J. Ryan, J. W. Kim, Y. S. Choi, P. G. Radaelli, D. C. Ralph, E. Y. Tsymbal, M. S. Rzchowski, and C. B. Eom*, “Controlling spin current polarization through non-collinear antiferromagnetism”, Nature Communications 11, 4671 (2020) [pdf]

Chang Jae Roh, Myung-Chul Jung, Jeong Rae Kim, Kyoung-June Go, Jinkwon Kim, Ho Jun Oh, Young-Ryun Jo, Yeong Jae Shin, Jeong Gi Choi, Bong-Joong Kim, Do Young Noh, Si-Young Choi, Tae Won Noh, Myung Joon Han, and Jong Seok Lee*, “Polar Metal Phase Induced by Oxygen Octahedral Network Relaxation in Oxide Thin Films”, Small 16, 2003055 (2020) [pdf]

Wen Guo, Kyubin Shim, Francis Okello Odongo Ngome, Young Hoon Moon, Si-Young Choi, Yong-Tae Kim*, “Highly active coral-like porous silver for electrochemical reduction of CO2 to CO”, Journal of CO2 Utilization 41, 101242 (2020) [pdf]

Camilo X. Quintela, Kyung Song, Ding-Fu Shao, Lin Xie, Tianxiang Nan, Tula R. Paudel, Neil Campbell, Xiaoqing Pan, Thomas Tybell, Mark S. Rzchowski, Evgeny Y. Tsymbal, Si-Young Choi*, and Chang-Beom Eom*, “Epitaxial antiperovskite/perovskite heterostructures for materials design”, Science Advances 6, eaba4017 (2020) [pdf]

Junho Seo, Duck Young Kim, Eun Su An, Kyoo Kim, Gi-Yeop Kim, Soo-Yoon Hwang, Dong Wook Kim, Bo Gyu Jang, Heejung Kim, Gyeongsik Eom, Seung Young Seo, Roland Stania, Matthias Muntwiler, Jinwon Lee, Kenji Watanabe, Takashi Taniguchi, Youn Jung Jo, Jieun Lee, Byung Il Min, Moon Ho Jo, Han Woong Yeom, Si-Young Choi*, Ji Hoon Shim*, and Jun Sung Kim*, “Nearly room temperature ferromagnetism in a magnetic metal-rich van der Waals metal”, Science Advances 6, eaay8912 (2020) [pdf]

D. T. Harris, N. G. Campbell, C. Di, J.-M. Park, L. Luo, H. Zhou, G.-Y. Kim,  K. Song, S.-Y. Choi, J. Wang, M. S. Rzchowski, and C. B. Eom*, “Charge density wave modulation in superconducting BaPbO3/BaBiO3 superlattices”, Physical Review B 101, 064509 (2020) [pdf]

T. H. Kim, T. R. Paudel, R. J. Green, K. Song, H.-S. Lee, S.-Y. Choi, J. Irwin, B. Noesges, L. J. Brillson, M. S. Rzchowski, G. A. Sawatzky, E. Y. Tsymbal, and C. B. Eom*, “Strain-driven disproportionation at a correlated oxide metal-insulator transition”, Physical Review B 101, 121105(R) (2020) [pdf]

Jaeseoung Park, Hyojin Yoon, Hyeji Sim, Si-Young Choi, and Junwoo Son*, “Accelerated Hydrogen Diffusion and Surface Exchange by Domain Boundaries in Epitaxial VO2 Thin Films”, ACS Nano 14, 2533-2541 (2020) [pdf]

Yunkyu Park, Hyeji Sim, Minguk Jo, Gi-Yeop Kim, Daseob Yoon, Hyeon Han, Younghak Kim, Kyung Song, Donghwa Lee, Si-Young Choi, and Junwoo Son*, “Directional ionic transport across the oxide interface enables low-temperature epitaxy of rutile TiO2”, Nature Communications 11, 1401  (2020) [pdf]

Chul Jong Yoo, Wan Jae Dong, Jae Yong Park, Jin Wook Lim, Sungjoo Kim, Kyoung Soon Choi, Francis Okello Odongo Ngome, Si-Young Choi, and Jong-Lam Lee*, “Compositional and Geometrical Effects of Bimetallic Cu-Sn Catalysts on Selective Electrochemical CO2 Reduction to CO”, ACS Applied Energy Materials 3, 4466-4473 (2020) [pdf]

Noho Lee, Il Yong Choi, Kyung-Yeon Doh, Jaewon Kim, Hyeji Sim, Donghwa Lee, Si-Young Choi* and Jong Kyu Kim*, “Enhanced catalytic activity of edge-exposed 1T phase WS2 grown directly on a WO3 nanohelical array for water splitting”, Journal of Materials Chemistry A 7, 26378 (2019) [pdf]

Dae-Yeong Kim, Dong-Hyun Kim, Soo-Hyun Kim, Eun-Kyung Lee, Sang-Kyun Park, Ji-Woong Lee, Yong-Sup Yun, Si-Young Choi*, and Jun Kang*, “Nano Hard Carbon Anodes for Sodium-Ion Batteries”, Nanomaterials 9, 793 (2019) [pdf]

Jaeseoung Park, Gi-Yeop Kim, Kyung Song, Si-Young Choi*, and Junwoo Son*, “Self-assembly of correlated (Ti, V)O2 superlattices with tunable lamella periods by kinetically enhanced spinodal decomposition”, NPG Asia Materials 11, 32 (2019) [pdf]

Sung-Dae Kim, Geon-Tae Hwang, Kyung Song, Chang Kyu Jeong, Kwi-Il Park, Jinhyuk Jang, Kwang-Ho Kim*, Jungho Ryu*, Si-Young Choi*, “Inverse size-dependence of piezoelectricity in single BaTiO3 nanoparticles”, Nano energy 58, 78-84 (2019) [pdf]

Jaeseoung Park, Hyojin Yoon, Si-Young Choi,* and Junwoo Son*, “Nanoscaffold WO3 by Kinetically Controlled Polymorphism”, Crystal Growth & Design 19, 479-486 (2019) [pdf]

Kyung Tae Kim*, Tae Sik Min, Sung-Dae Kim, Eun-Ae Choi, Dong Won Kim, Si-Young Choi*, “Strain-mediated point defects in thermoelectric p-type bismuth telluride polycrystalline”, Nano Energy 55, 486-493 (2019) [pdf]

Seong-Jun Yang, Shinyoung Choi, Francis Okello Odongo Ngome, Ki-Jeong Kim, Si-Young Choi, and Cheol-Joo Kim*, “All-Dry Transfer of Graphene Film by van der Waals Interactions”, Nano Letters 19, 3590-3596 (2019) [pdf]

Seung Hee Lee, Hokyeong Jeong, Dong Yeong Kim, Seung-Young Seo, Cheolhee Han, Odongo Francis Ngome Okello, Jen-Iu Lo, Yu-Chain Peng, Chan-Hyoung Oh, Gyeong Won Lee, Jong-In Shim, Bing-Ming Cheng, Kyung Song, Si-Yong Choi, Moon-Ho Jo, and Jong Kyu Kim*, “Electroluminescence from h-BN by using Al2O3/h-BN multiple heterostructure”, Optics Express, 27, 19692 (2019) [pdf]

T. Nan, T. J. Anderson, J. Gibbons, K. Hwang, N. Campbell, H. Zhou, Y. Q. Dong, G. Y. Kim, D. F. Shao, T. R. Paudel, N. Reynolds, X. J. Wang, N. X. Sun, E. Y. Tsymbal, S. Y. Choi, M. S. Rzchowski, Yong Baek Kim, D. C. Ralph, and C. B. Eom*, “Anisotropic spin-orbit torque generation in epitaxial SrIrO3 by symmetry design”, Proceedings of the National Academy of Sciences of the United States of America (PNAS), 116, 16186-16191 (2019) [pdf]

Seung Hee Lee, HokyeongJeong, Odongo Francis Ngome Okello, Shiyu Xiao, Seokho Moon, Dong Yeong Kim, Gi-Yeop Kim, Jen-Iu Lo, Yu-Chain Peng, Bing-Ming Cheng, Hideto Miyake, Si-Young Choi, and Jong Kyu Kim*, “Improvements in structural and optical properties of wafer-scale hexagonal boron nitride flm by post-growth annealing”, Scientific Reports, 9, 10590 (2019) [pdf]

Gangtae Jin, Chang-Soo Lee, Xing Liao, Juho Kim, Zhen Wang, Odongo Francis Ngome Okello, Bumsu Park, Jaehyun Park, Cheolhee Han, Hoseok Heo, Jonghwan Kim, Sang Ho Oh, Si-Young Choi, Hongkun Park, and Moon-Ho Jo*, “Atomically thin three-dimensional membranes of van der Waals semiconductors by wafer-scale growth”, Science Advances, 5, eaaw3180 (2019) [pdf]

Jun Kang*, Dae-Yeong Kim, Seen-Ae Chae, Nagahiro Saito, Si-Young Choi and Kwang-Ho Kim*, “Maximization of sodium storage capacity of pure carbon material used in sodium-ion batteries”, Journal of Material Chemistry A, 7, 16149 (2019) [pdf]

Monalisa Pal, Anupam Giri, Dong Wook Kim, Sangbaie Shin, Minsik Kong, Kaliannan Thiyagarajan, Junghyeok Kwak, Odongo Francis Ngome Okello, Si-Young Choi, and Unyong Jeong*, “Fabrication of Foldable Metal Interconnections by Hybridizing with Amorphous Carbon Ultrathin Anisotropic Conductive Film”, ACS Nano, 13, 7175-7184 (2019) [pdf]

Jun Beom Kim, Seul Gi Lee, Si-Young Choi, Jaekook Kim*, and Sang Ouk Kim*, “Doping behavior of Br in Li4Ti5O12 anode materials and their electrochemical performance for Li-ion batteries”, Ceramics International, 45, 17574-17579 (2019) [pdf]

Hwang-Pill Kim, Geon-Ju Lee, Hu Young Jeong, Jin-Hyuck Jang, Gi-Yeop Kim, Si-Young Choi, Ho-Yong Lee, Sang-Goo Lee, Wook Jo*, “Symmetry-bridging phase as the mechanism for the large strains in relaxor-PbTiO3 single crystals”, Journal of the European Ceramic Society, 39, 3327-3331 (2019) [pdf]

Hokyeong Jeong, DongYeong Kim, Jaewon Kim, Seokho Moon, Nam Han, Seung Hee Lee, Odongo Francis Ngome Okello, Kyung Song, Si-Young Choi, and Jong Kyu Kim*, “Wafer-scale and selective-area growth of high-quality hexagonal boron nitride on Ni(111) by metalorganic chemical vapor deposition”, Scientific Reports, 9, 5736 (2019) [pdf]

Chang-Soo Lee, Seung Jae Oh, Hoseok Heo, Seung-Young Seo, Juho Kim, Yong Hyeon Kim, Donghwi Kim, Odongo Francis Ngome Okello, Hocheol Shin, Ji Ho Sung, Si-Young Choi, Jun Sung Kim, Jong Kyu Kim, and Moon-Ho Jo*, “Epitaxial van der Waals Contacts between Transition-Metal Dichalcogenide Monolayer Polymorphs”, Nano Letters, 19, 1814-1820 (2019) [pdf]

Kai Zhang, Duho Kim, Zhe Hu, Mihui Park, Gahee Noh, Yujeong Yang, Jing Zhang, Vincent Wing-hei Lau, Shu-Lei Chou, Maenghyo Cho, Si-Young Choi, and Yong-Mook Kang*, “Manganese based layered oxides with modulated electronic and thermodynamic properties for sodium ion batteries”, Nature communications, 10, 5203 (2019) [pdf]

Kwang-Eun Kim, Seuri Jeong, Kanghyun Chu, Jin Hong Lee, Gi-Yeop Kim, Fei Xue, Tae Yeong Koo, Long-Qing Chen, Si-Young Choi, Ramamoorthy Ramesh, and Chan-Ho Yang*, "Configurable topological textures in strain graded ferroelectric nanoplates", Nature Communications 9, 403 (2018) [pdf]

D. Lee, B. Chung, Y. Shi, G.-Y. Kim, N. Campbell, F. Xue, K. Song, S.-Y. Choi, J. P. Podkaminer, T. H. Kim, P. J. Ryan, J.-W. Kim, T. R. Paudel, J.-H. Kang, J. W. Spinuzzi, D. A. Tenne, E. Y. Tsymbal, M. S. Rzchowski, L. Q. Chen, J. Lee*, and C. B. Eom*, “Isostructural metal-insulator transition in VO2”, Science, 362, pp. 1037-1040 (2018) [pdf]

Seung-Young Seo, Jaehyun Park, Jewook Park, Kyung Song, Soonyoung Cha, Sangwan Sim, Si-Young Choi, Han Woong Yeom, Hyunyong Choi, and Moon-Ho Jo*, “Writing monolithic integrated circuits on a two-dimensional semiconductor with a scanning light probe”, Nature electronics, 1, 512-517 (2018) [pdf]

Ping-Luen Ho, Chu-Ping Yu, Qiqi Zhang, Kyung Song, James P. Buban, Si-Young Choi, Rafal E. Dunin-Borkowski, Joachim Mayer, Nyan-Hwa Tai, Jing Zhu, Lei Jin, Xiaoyan Zhong*, “Effect of cation ratio and order on magnetic circular dichroism in the doubleperovskite Sr2Fe1+xRe1-xO6”, Ultramicroscopy, 193, 137-142 (2018) [pdf]

Kwang-Eun Kim, Yong-Jin Kim, Yang Zhang, Fei Xue, Gi-Yeop Kim, Kyung Song, Si-Young Choi, Jun-Ming Liu, Long-Qing Chen, and Chan-Ho Yang*, “Ferroelastically protected polarization switching pathways to control electrical conductivity in strain-graded ferroelectric nanoplates”, Physical Review Materials, 2, 084412 (2018) [pdf]

Hyojin Yoon, Jaeseoung Park, Si-Young Choi, Donghwa Lee, and Junwoo Son*, “Facet-Dependent Phase Control by Band Filling and Anisotropic Electron-Lattice Coupling in HVO2 Epitaxial Films”, Advanced Electronic Materials, 4, 1800128 (2018) [pdf]

Kyung Song, Sangwoo Ryu, Hyungwoo Lee, Tula R. Paudel, Christoph T. Koch, Bumsu Park, Ja Kyung Lee, Si-Young Choi, Young-Min Kim, Jong Chan Kim, Hu Young Jeong, Mark S. Rzchowski, Evgeny Y. Tsymbal, Chang-Beom Eom, and Sang Ho Oh*, “Direct imaging of the electron liquid at oxide interfaces”, Nature Nanotechnology, 13, 198-203 (2018) [pdf]

Amit Khare, Jaekwang Lee, Jaeseoung Park, Gi-Yeop Kim, Si-Young Choi, Takayoshi Katase, Seulki Roh, Tae Sup Yoo, Jungseek Hwang, Hiromichi Ohta, Junwoo Son, and Woo Seok Choi*, “Directing Oxygen Vacancy Channels in SrFeO2.5 Epitaxial Thin Films”, ACS Applied Materials & Interfaces, 10, 4831 (2018) [pdf]

Ji Ho Sung, Hoseok Heo, Saerom Si, Yong Hyeon Kim, Hyeong Rae Noh, Kyung Song, Joho Kim, Chang-Soo Lee, Seung-Young Seo, Dong-Hwi Kim, Hyoung Kug Kim, Han Woong Yeom, Tae-Hwan Kim, Si-Young Choi, Jun Sung Kim, and Moon-Ho Jo*, “Coplanar semiconductor-metal circuitry defined of few-layer MoTe2 via polymorphic heteroepitaxy”, Nature Nanotechnology 12, 1064-1070 (2017) [pdf]

Daesu Lee, Jaeseong Lee, Kyung Song, Fei Xue, Si-Young Choi, Yanjun Ma, Jacob Podkaminer, Dong Liu, Shin-Chia Liu, Bongwook Chung, Wenjuan Fan, Sang June Cho, Weidong Zhou, Jaichan Lee, Long-Qing Chen, Sang Ho Oh, Zhenqiang Ma*, and Chang-Beom Eom*, “Sharpened VO2 Phase Transition via Controlled Release of Epitaxial Strain”, Nano Letters, 17, 5614 (2017) [pdf]

Kanghyeon Lee, Gene Jaehyoung Yang, Hackyeon Kim, Taejoong Kim, Sun Sook Lee, Si-Young Choi, Sungho Choi*, Yongseon Kim*, “Composite coating of Li2O-2B2O3 and carbon as multi-conductive electron/Li-ion channel on the surface of LiNi0.5Mn1.5O4 cathode”, Journal of Power Sources, 365, 249 (2017) [pdf]

Kitae Eom, Euiyoung Choi, Jonghyun Yoon, Minsu Choi, Kyung Song, Si-Young Choi, Daesu Lee, Jung-Woo Lee, Chang-Beom Eom, and Jaichan Lee,  “Electron-lattice coupling in correlated materials of low electron occupancy”, Nano Letters, 17, 5458 (2017) [pdf]

Haribabu Palneedi, Deepam Maurya, Gi-Yeop Kim, Venkateswarlu Annapureddy, Myoung-Sub Noh, Chong-Yun Kang, Jong-Woo Kim, Jong-Jin Choi, Si-Young Choi, Sung-Yoon Chung, Suk-Joong L. Kang, Shashank Priya, and Jungho Ryu, “Unleashing the Full Potential of Magnetoelectric Coupling in Film Heterostructures”, Advanced Materials, 29, 1605688 (2017) [pdf]

Gi-Yeop Kim, Kanghyun Chu, Kil-Dong Sung, Hak-Sung Lee, Sung-Dae Kim, Kyung Song, Taekjib Choi, Jaichan Lee, James P. Buban, Seog-Young Yoon, Kwang-Ho Kim, Chan-Ho Yang, and Si-Young Choi, “Disordered ferroelectricity in the PbTiO3/SrTiO3 superlattice thin film”, APL Materials, 5, 066104 (2017) [pdf]

Dong Yeong Kim, Nam Han, Hokyeong Jeong, Jaewon Kim, Sunyong Hwang, Kyung Song, Si-Young Choi, and Jong Kyu Kim, “Pressure-Dependent Growth of Wafer-Scale Few-layer h-BN by Metal-Organic Chemical Vapor Deposition”, Crystal Growth and Design, 17, pp. 2569-2575 (2017) [pdf]

Venkateswarlu Annapureddy, Joo-Hee Kang, Haribabu Palneedi, Jong-Woo Kim, Cheol-Woo Ahn, Si-Young Choi, Scooter David Johnson, and Jungho Ryu, “Growth of self-textured barium hexaferrite ceramics by normal sintering process and their anisotropic magnetic properties”, Journal of the European Ceramic Society, 37, pp. 4701-4706 (2017) [pdf]

Haribabu Palneedi, Venkateswarlu Annapureddy, Ho-Yong Lee, Jong-Jin Choi, Si-Young Choi, Sung-Yoon Chung, and Suk-Joong L. Kang, Jungho Ryu, “Strong and anisotropic magnetoelectricity in composites of magnetostrictive Ni and solid-state grown lead-free piezoelectric BZT-BCT single crystals”, Journal of Asian Ceramic Societies, 5, pp. 36-41 (2017) [pdf]

Young-Wook Kim, Seung Hoon Jang, Toshiyuki Nishimura, Si-Young Choi, and Sung-Dae Kim, “Microstructure and high-temperature strength of silicon carbide with 2000 ppm yttria”, Journal of European Ceramic Society 37, 4449-4455 (2017) [pdf]

Byung-Kweon Jang, Jin Hong Lee, Kanghyun Chu, Pankaj Sharma, Gi-Yeop Kim, Kyung-Tae Ko, Kwang-Eun Kim, Yong-Jin Kim, Kyungrok Kang, Han-Byul Jang, Hoyoung Jang, Min Hwa Jung, Kyung Song, Tae Yeong Koo, Si-Young Choi, Jan Seidel, Yoon Hee Jeong, Hendrik Ohldag, Jun-Sik Lee, and Chan-Ho Yang, “Electric-field-induced spin disorder-to-order transition near a multiferroic triple phase point”, Nature Physics, 13, pp. 189-196 (2017) [pdf]

Hyojin Yoon, Minseok Choi, Tae-Won Lim, Hyunah Kwon, Kyuwook Ihm, Jong Kyu Kim, Si-Young Choi, and Junwoo Son, “Reversible phase modulation and hydrogen storage in multivalent VO₂ epitaxial thin films”, Nature Materials, 15, pp. 1113-1119 (2016) [pdf]

Venkateswarlu Annapureddy, Miso Kim, Haribabu Palneedi, Ho-Yong Lee, Si-Young Choi, Woon-Ha Yoon, Dong-Soo Park, Jong-Jin Choi, Byung-Dong Hahn, Cheol-Woo Ahn, Jong-Woo Kim, Dea-Yong Jeong, and Jungho Ryu, “Low-Loss Piezoelectric Single-Crystal Fibers for Enhanced Magnetic Energy Harvesting with Magnetoelectric Composite”, Advanced Energy Materials, 6, 1601244 (2016) [pdf]

Gi-Yeop Kim, Kil-Dong Sung, Youngmok Rhyim, Seog-Young Yoon, Min-Soo Kim, Soon-Jong Jeong, Kwang-Ho Kim, Jungho Ryu, Sung-Dae Kim, and Si-Young Choi*, “Enhanced polarization by the coherent heterophase interface between polar and non-polar phases”, Nanoscale, 8, pp. 7443-7448 (2016) [pdf]

Sul Hee Min, Mi Ru Jo, Si-Young Choi, Yong-Il Kim, and Yong-Mook Kang, “A Layer-Structured Electrode Material Reformed by a PO₄-O₂ Hybrid Framework toward Enhanced Lithium Storage and Stability”, Advanced Energy Materials, 6, 1501717 (2016) [pdf]

SangA Lee, Hoidong Jeong, Sungmin Woo, Jae-Yeol Hwang, Si-Young Choi, Sung-Dae Kim, Minseok Choi, Seulki Roh, Hosung Yu, Jungseek Hwang, SungWng Kim, and Woo Seok Choi, “Phase transitions via selective elemental vacancy engineering in complex oxide thin films”, Scientific Reports, 6, 23649 (2016) [pdf]

Jin Hyun Kim*, Si-Young Choi*, Minseok Choi, Talia Gershon, Yun Seog Lee, Wei Wang, Byungha Shin, and Sung-Yoon Chung, “Atomic-Scale Observation of Oxygen Substitution and Its Correlation with Hole-Transport Barriers in Cu₂ZnSnSe₄ Thin-Film Solar Cells”, Advanced Energy Materials, 6, 1501902 (2016) [pdf]

Tae-Won Lim, Sung-Dae Kim, Kil-Dong Sung, Young-Mok Rhyim, Hyungjeen Jeen, Jondo Yun, Kwang-Ho Kim, Ki-Myung Song, Seongsu Lee, Sung-Yoon Chung, Minseok Choi, and Si-Young Choi*, “Insights into cationic ordering in Re-based double perovskite oxides”, Scientific Reports, 6, 19746 (2016) [pdf]

Jinsuk Kim , Dajeong Kim, Si Young Choi, Sung-Dae Kim, Jae Yong Song, and Jongwon Kim, “Electrochemical Deposition of Flat Nanoporous Pt Layers with Small Pore Dimensions”, Electrochimica Acta, 189, pp. 196-204 (2016) [pdf]

Hye-Sung Kim, Ahreum Jang, Si-Young Choi, WooChul Jung, and Sung-Yoon Chung, “Vacancy-Induced Electronic Structure Variation of Acceptors and Correlation with Proton Conduction in Perovskite Oxides”, Angewandte Chemie-International Edition, 55, pp. 13499-13503 (2016) [pdf]

Si-Young Choi*, Sung-Yoon Chung*, Hye-In Yoon, Hye-Sung Kim, and Hyung Bin Bae, “Subsurface Space-Charge Dopant Segregation to Compensate Surface Excess Charge in a Perovskite Oxide”, Angewandte Chemie-International Edition, 55, pp. 9680-9684 (2016) [pdf]

Seong Gi Jeon, Dong Woo Park, Ho Sun Shin, Hyun Min Park, Si-Young Choi, Sang Jun Lee, Jin Yu, and Jae Yong Song, “Effects of doping and planar defects on the thermoelectric properties of InAs nanowires”, RSC Advances, 6, pp. 7791-7797 (2016) [pdf]

Haribabu Palneedi, Insung Choi, Gi-Yeop Kim, Venkateswarlu Annapureddy, Deepam Maurya, Shashank Priya, Jong-Woo Kim, Keon Jae Lee, Si-Young Choi, Sung-Yoon Chung, Suk-Joong L. Kang, and Jungho Ryu, “Tailoring the Magnetoelectric Properties of Pb(Zr,Ti)O3 Film Deposited on Amorphous Metglas Foil by Laser Annealing” Journal of the American Ceramic Society, 99, pp. 2680-2687 (2016) [pdf]

Jong-Hwan Park, Dong-Soo Park, Byung-Dong Hahn, Jong-Jin Choi, Jungho Ryu, Si-Young Choi, Jongwoo Kim, Woon-Ha Yoon,and Chan Park, “Effect of raw powder particle size on microstructure and light transmittance of α-alumina films deposited by granule spray in vacuum”, Ceramics International, 42, pp. 3584-3590 (2016) [pdf]

Shinhee Yun, Chang-Su Woo, Gi-Yeop Kim, Pankaj Sharma, Jin Hong Lee, Kanghyun Chu, Jong Hyun Song, Sung-Yoon Chung, Jan Seidel, Si-Young Choi, and Chan-Ho Yang, “Ferroelastic twin structures in epitaxial WO3 thin films”, Applied Physics Letters, 107, 252904 (2015) [pdf]

Cheol-Woo Ahn, Ho-Yong Lee, Guifang Han, Shujun Zhang, Si-Young Choi, Jong-Jin Choi, Jong-Woo Kim, Woon-HaYoon, Joon-Hwan Choi, Dong-Soo Park, Byung-Dong Hahn, and Jungho Ryu, “Self-growth of centimeter-scale single crystals by normal sintering process in modified potassium sodium niobate ceramics”, Scientific Reports, 5, 17656 (2015) [pdf]

Seung Zeon Han, Joonhee Kang, Sung-Dae Kim, Si-Young Choi, Hyung Giun Kim, Jehyun Lee, Kwangho Kim, Sung Hwan Lim, and Byungchan Han, “Reliable and cost effective design of intermetallic Ni₂Si nanowires and direct characterization of its mechanical properties”, Scientific Reports, 5, 15050 (2015) [pdf]

Sanghwa Yoon, Sung-Dae Kim, Si-Young Choi, Jae-Hong Lim, and Bongyoung Yoo, “Hierarchical shape evolution of cuprous oxide micro- and nanocrystals by surfactant-assisted electrochemical deposition”, Crystal Growth and Design, 15, pp. 4969-4974 (2015) [pdf]

D. Lee, Haidong Lu, Y. Gu, Si-Young Choi, S.-D. Li, S. Ryu, Tula R. Paudel, Kyung Song, Evgeny Mikheev, Sanghan Lee, Susanne Stemmer, Dmitri A. Tenne, Sang Ho Oh, Evgeny Tsymbal, X. Wu, Long-Qing Chen, Alexei L. Gruverman, and Chang Beom Eom, “Emergence of room-temperature ferroelectricity at reduced dimensions”, Science, 349, pp. 1314-1317 (2015) [pdf]

Qi Xun Xia, Kwan San Hui, Kwun Nam Hui, Sung Dae Kim, Jae Hong Lim, Si-Young Choi, Luo Jiang Zhang, Rajaram S. Mane, Je Moon Yun, and Kwang Ho Kim, “Facile synthesis of manganese carbonate quantum dots/Ni(HCO₃)₂-MnCO₃ composites as advanced cathode materials for high energy density asymmetric supercapacitors”, Journal of Materials Chemistry A, 3, pp. 22102-22117 (2015) [pdf]

Sung-Yoon Chung^*, Si-Young Choi^*, Jin-Gyu Kim, and Young-Min Kim (^* equally contributed authors), “Quadruple-junction lattice coherency and phase separation in a binary-phase system”, Nature Communications, 6, 8252 (2015) [pdf]

Haribabu Palneedi, Deepam Maurya, Gi-Yeop Kim, Shashank Priya, Suk-Joong L. Kang, Kwang-Ho Kim, Si-Young Choi*, and Jungho Ryu*, “Enhanced off-resonance magnetoelectric response in laser annealed PZT thick film grown on magnetostrictive amorphous metal substrate”, Applied Physics Letters, 107, 012904 (2015) [pdf]

Si-Young Choi*, Sung-Dae Kim, Minseok Choi*, Hak-Sung Lee, Jungho Ryu, Naoya Shibata, Teruyasu Mizoguchi, Eita Tochigi, Takahisa Yamamoto, Suk-Joong L. Kang, and Yuichi Ikuhara, “Assessment of Strain-Generated Oxygen Vacancies Using SrTiO₃ Bicrystals”, Nano Letters, 15, pp. 4129-4134 (2015) [pdf]

Sue Jin Kim, Young Jun Yun, Ki Woong Kim, Changju Chae, Sunho Jeong, Yongku Kang, Si-Young Choi*, Sun Sook Lee*, and Sungho Choi*, “Superior Lithium Storage Performance using Sequentially Stacked MnO₂/Reduced Graphene Oxide Composite Electrodes”, ChemSusChem, 8, pp. 1484-1491 (2015) [pdf]

Sung-Yoon Chung, Young-Min Kim, Si-Young Choi, and Jin-Gyu Kim, “Capturing heterogeneous nucleation of nanoscale pits and subsequent crystal shrinkage during ostwald ripening of a metal phosphate”, ACS Nano, 9, pp. 327-335 (2015) [pdf]

Sung-Yoon Chung*, Si-Young Choi*, Tae-Hwan Kim, and Seongsu Lee, “Surface-orientation-dependent distribution of subsurface cation-exchange defects in olivine-phosphate nanocrystals”, ACS Nano, 9, pp. 850-859 (2015) [pdf]

Jungho Ryu, Ju-Eun Kang, Yuan Zhou, Si-Young Choi, Woon-Ha Yoon, Dong-Soo Park, Jong-Jin Choi, Byung-Dong Hahn, Cheol-Woo Ahn, Jong-Woo Kim, Yang-Do Kim, Shashank Priya, Seung Yong Lee, Seongsu Jeong, and Dae-Yong Jeong, “Ubiquitous magneto-mechano-electric generator”, Energy and Environmental Science, 8, pp.2402-2408 (2015) [pdf]

Kanghyun Chu, Byung-Kweon Jang, Ji Ho Sung, Yoon Ah Shin, Eui-Sup Lee, Kyung Song, Jin Hong Lee, Chang-Su Woo, Seung Jin Kim, Si-Young Choi, Tae Yeong Koo, Yong-Hyun Kim, Sang-Ho Oh, Moon-Ho Jo, and Chan-Ho Yang, “Enhancement of the anisotropic photocurrent in ferroelectric oxides by strain gradients”, Nature Nanotechnology, 10, pp. 972-979 (2015) [pdf]

Jungho Ryu*, Guifang Han, Tae Kwon Song, Aaron Welsh, Susan Trolier-McKinstry, Hongsoo Choi, Jong-Pil Lee, Jong-Woo Kim, Woon-Ha Yoon, Jong-Jin Choi, Dong-Soo Park, Cheol-Woo Ahn, Shashank Priya, Si-Young Choi*, and Dae-Yong Jeong*, “Upshift of phase transition temperature in nanostructured PbTiO₃ thick film for high temperature applications”, ACS Applied Materials and Interfaces, 6, pp. 11980-11987 (2014) [pdf]

Shinuk Cho, Kwang-Dae Kim, Jinhee Heo, Joo Yul Lee, Gihoon Cha, Bo Yeol Seo, Young Dok Kim, Yong Soo Kim, Si-young Choi, and Dong Chan Lim, “Role of additional PCBM layer between ZnO and photoactive layers in inverted bulk-heterojunction solar cells”, Scientific Reports, 4, 4306 (2014) [pdf]

Jae-Ho Jeon, Si-Young Choi, Jong Hyun Kim, and Suk Sang Chang, “Precision forming of micro-sized piezoceramics with a high aspect ratio”, Indian Journal of Engineering and Materials Sciences, 21, pp. 329-332 (2014) [pdf]

Wan Joo Maeng, Dong-won Choi, Kwun-Bum Chung, Wonyong Koh, Gi-Yeop Kim, Si-Young Choi, and Jin-Seong Park, “Highly conducting, transparent, and flexible indium oxide thin film prepared by atomic layer deposition using a new liquid precursor Et₂InN(SiMe₃)₂”, ACS Applied Materials and Interfaces, 6, pp. 17481-17488 (2014) [pdf]

Hye Moon Lee, Jung Yoon Seo, Areum Jung, Si-Young Choi, Seung Hwan Ko, Jeongdai Jo, Seung Bin Park, and Duckshin Park, “Long-term sustainable aluminum precursor solution for highly conductive thin films on rigid and flexible substrates”, ACS Applied Materials and Interfaces, 6, pp. 15480-15487 (2014) [pdf]

Jae-Seok Lee, Jae-Ho Jeon, and Si-Young Choi*, “Role of alkali carbonate and salt in topochemical synthesis of K_1/2Na_1/2NbO₃ and NaNbO₃ templates”, Metals and Materials International, 19, pp. 1283-1287 (2013)  [pdf]

Gi-Yeop Kim, Jae-Ho Jeon, Myong-Ho Kim, Danilo Suvorov, and Si-Young Choi*, “Microstructural development of cobalt ferrite ceramics and its influence on magnetic properties”, Metals and Materials International, 19, pp. 1209-1213 (2013) [pdf]

Si-Young Choi*, Jong Bong Lim, Yuichi Ikuhara, Danilo Suvorov, and Jae-Ho Jeon, “Direct observation of cationic ordering in double perovskite Sr₂FeReO₆ crystals”, Microscopy and Microanalysis, 19, pp. 25-28 (2013) [pdf]

Hye Moon Lee, Si-Young Choi, Areum Jung, and Seung Hwan Ko, “Highly conductive aluminum textile and paper for flexible and wearable electronics”, Angewandte Chemie International Edition, 52, pp. 7718-7723 (2013) [pdf]

Hye Moon Lee, Si-Young Choi, and Areum Jung, “Direct deposition of highly conductive aluminum thin film on substrate by solution-dipping process”, ACS Applied Materials and Interfaces, 5, pp. 4581-4585 (2013) [pdf]

Sung-Yoon Chung, Young-Min Kim, Si-Young Choi, and Jin-Gyu Kim, “Real-time observation of crystal evaporation in a metal phosphate at high temperature”, Journal of the American Chemical Society, 135, pp. 7811-7814 (2013) [pdf]

Sungho Choi, Sue Jin Kim, Young Jun Yun, Sun Sook Lee, Si-Young Choi, and Ha-Kyun Jung “Controlled shape with enhanced electrochemical performance of various ions doped Li₂MnSiO₄ cathode nanoparticles”, Materials Letters, 105, pp. 113-116 (2013) [pdf]

See-Hoon Lee, Si-Young Choi, and Hai-Doo Kim, “ZrB₂- SiC nano-powder mixture prepared using ZrSi₂ and modified spark plasma sintering”, Journal of the American Ceramic Society, 96, pp. 1051-1054 (2013) [pdf]

Kyung Tae Kim, Si-Young Choi, Eun Hye Shin, Kyong Seok Moon, Hye Young Koo, Gil-Geun Lee, and Gook Hyun Ha, “The influence of CNTs on the thermoelectric properties of a CNT/Bi₂Te₃ composite”, Carbon, 52, pp. 541-549 (2013) [pdf]

Jong Hyun Kim, Si-Young Choi, Jae-Ho Jeon, Geunbae Lim, and Suk Sang Chang, “Manufacture of a micro-sized piezoelectric ceramic structure using a sacrificial polymer mold insert”, Microsystem Technologies, 19, pp. 343-349 (2013) [pdf]

Young-Sang Cho, Si-Young Choi, Young-Kuk Kim, and Gi-Ra Yi, “Bulk synthesis of ordered macroporous silica particles for superhydrophobic coatings”, Journal of Colloid and Interface Science, 386, pp. 88-98 (2012) [pdf]

Jung-Dae Kwon*, Kee-Seok Nam, Yongsoo Jeong, Dong-Ho Kim, Sung-Gyu Park, and Si-Young Choi*, “Control of crystallinity in nanocrystalline silicon prepared by high working pressure plasma-enhanced chemical vapor deposition”, Advances in Materials Science and Engineering, 2012, 213147 (2012) [pdf]

Si-Young Choi*, Soon-Jong Jeong*, Dae-Su Lee, Min-Soo Kim, Jae-Shin Lee, Jeong Ho Cho, Byoung Ik Kim, and Yuichi Ikuhara, “Gigantic electrostrain in duplex structured alkaline niobates”, Chemistry of Materials, 24, pp. 3363-3369 (2012) [pdf]

Sung-Yoon Chung, Young-Min Kim, Seongsu Lee, Sang Ho Oh, Jin-Gyu Kim, Si-Young Choi, Youn-Joong Kim, and Suk-Joong L. Kang, “Cation disordering by rapid crystal growth in olivine-phosphate nanocrystals”, Nano Letters, 12, pp. 3068-3073 (2012) [pdf]

Jong Bong Lim, Si-Young Choi, Myong-Ho Kim, Danilo Suvorov, Jae-ho Jeon, Tae-Kwon Song, and Won-Jeong Kim, “Effect of excess Re on the magnetic properties of Sr₂FeReO₆ double-perovskite”, Materials Letters, 75, pp. 143-145 (2012) [pdf]

Sung-Yoon Chung*, Si-Young Choi*, Seongsu Lee, and Yuichi Ikuhara, “Distinct configurations of antisite defects in ordered metal phosphates: Comparison between LiMnPO₄ and LiFePO₄”, Physical Review Letters, 108, 195501 (2012) [pdf]

Jung-Yeul Yun, Si-Young Choi, Min-Soo Kim, and Suk-Joong L. Kang, “Pressureless sintering and piezoelectric properties of mechanochemically synthesized K_0.5Na_0.5NbO₃ powder compacts”, Ceramic Transactions, 232, pp. 17-23 (2012) [pdf]

Si-Young Choi*, and Yuichi Ikuhara, “Direct Determination of Cationic Disordering in sodium bismuth Titanate”, Applied Microscopy, 42, 164 (2012) [pdf]

Hyo Moon Lee, Si-Young Choi, Kyung Tae Kim, Jung-Yeul Yun, Dae Soo Jung, Seung Bin Park, and Jongwook Park, “A novel solution-stamping process for preparation of a highly conductive aluminum thin film”, Advanced Materials, 23, pp. 5524-5528 (2011) [pdf]

John G. Fisher, Si-Young Choi, and Suk-Joong L. Kang, “Influence of sintering atmosphere on abnormal grain growth behaviour in potassium sodium niobate ceramics sintered at low temperature”, Journal of the Korean Ceramic Society, 48, pp. 641-647 (2011) [pdf]

Hye Moon Lee, Si-Young Choi, and Jung-Yeul Yun, “Preparation of aluminum-organic nanocomposite materials via wet chemical process”, Advanced Powder Technology, 22, pp. 608-612 (2011) [pdf]

Si-Young Choi, and Jae-Ho Jeon, “Examination of selectivity of templates for the textured potassium sodium niobate ceramics”, Advanced Powder Technology, 22, pp. 383-389 (2011) [pdf]

Yoon Ho Heo, Sang-Chae Jeon, John G. Fisher, Si-Young Choi, Kang-Heon Hur, and Suk-Joong L. Kang, “Effect of step free energy on delayed abnormal grain growth in a liquid phase-sintered BaTiO₃ model system”, Journal of the European Ceramic Society, 31, pp. 755-762 (2011) [pdf]

Jung-Yeul Yun, Hye-Moon Lee, Si-Young Choi, SangSun Yang, Dong-Won Lee, Young-Jin Kim, and Byoung-Kee Kim, “Characteristics of Fe-Cr-Al alloy nanopowders prepared by electrical wire explosion process under liquid media”, Materials Transactions, 52, pp. 250-253 (2011) [pdf]

Tsung-Wu Lin, Si-Young Choi*, Young-Heon Kim, and Malcolm L.H. Green, “Large-scale synthesis of n-type gallium nitride nanowires using NiI2-decorated carbon nanotubes as a reactant”, Carbon, 48, pp. 2401-2408 (2010) [pdf]

Sung-Yoon Chung, Young-Min Kim, and Si-Young Choi, “Direct physical imaging and chemical probing of LiFePO4 for lithium-ion batteries”, Advanced Functional Material, 20, pp. 4219-4232 (2010) [pdf]

Chao Wang, Amit Kohn, Shou Guo Wang, Lan Yun Chang, Si-Young Choi, Angus I. Kirkland, Amanda K. Petford-Long, and Roger C. C. Ward, “Structural characterization of interfaces in epitaxial Fe/MgO/Fe magnetic tunnel junctions by TEM”, Physical Review B, 82, 024428 (2010) [pdf]

Naoya Shibata, Aya Goto, Teruyasu Mizoguchi, Scott D. Findlay, Si-Young Choi, Takahisa Yamamoto, and Yuichi Ikuhara, “Direct Observation of TiO₂ (110) surfaces by HVEM and HAADF STEM”, Microscopy and Microanalysis, 15, pp. 1194-1195 (2009) [pdf]

Christine Marie Montesa, Naoya Shibata, Si-Young Choi, Hiroshi Tonomura, Kazuhiro Akiyama, Yoshirou Kuromitsu, and Yuichi Ikuhara, “High-resolution transmission electron microscopy observation of liquid-phase bonded aluminum/sapphire interfaces”, Materials Transactions, 50, pp. 1037-1040 (2009) [pdf]

Byung-Kwon Yoon, Si-Young Choi, Takahisa Yamamoto, Yuichi Ikuhara, and Suk-Joong L. Kang, “Grain boundary mobility and grain growth behavior in polycrystals with faceted wet and dry boundaries”, Acta Materialia, 57, pp. 2128-2135 (2009) [pdf]

Si-Young Choi, Sung-Yoon Chung, Takahisa Yamamoto, and Yuici Ikuhara, “Direct determination of dopant site selectivity in ordered perovskite CaCu₃Ti₄O₁₂ polycrystals by aberration-corrected STEM”, Advanced Materials, 21, pp. 885-889 (2009) [pdf]

Sung-Yoon Chung, Si-Young Choi, Takahisa Yamamoto, and Yuici Ikuhara, “Orientation-dependent arrangement of antisite defects in lithium iron(II) phosphate crystals”, Angewandte Chemie International Edition, 48, pp. 543-546 (2009) [pdf]

Naoya Shibata, Aya Goto, Si-Young Choi, Teruyasu Mizoguchi, Scott D. Findlay, Takahisa Yamamoto, and Yuichi Ikuhara, “Direct imaging of reconstructed atoms on TiO2 (110) surfaces”, Science, 322, pp. 570-573 (2008) [pdf]

Si-Young Choi, Sung-Yoon Chung, Takahisa Yamamoto, and Yuichi Ikuhara, “Atomic-scale visualization of antisite defects in LiFePO4”, Physical Review Letters, 100, 125502 (2008) [pdf]

Shao-Ju Shih, Karleen Dudeck, Si-Young Choi, Michael Baeurer, Michael Hoffmann, and David Cockayne, “Studies of grain orientations and grain boundaries in polycrystalline SrTiO₃”, Journal of Physics: Conference Series, 94, 012008 (2008) [pdf]

Si-Young Choi, James P. Buban, Naoya Shibata, Takahisa Yamamoto, and Yuichi Ikuhara, “Disruption of dislocation cores at grain boundary in Nb-Doped SrTiO₃ Bicrystals”, Materials Science Forum, 558-559, pp. 869-872 (2007) [pdf]

Takahisa Yamamoto, Teruyasu Mizoguchi, Si-Young Choi, Y. Sato, Naoya Shibata, and Yuichi Ikuhara, “Grain boundary atomic structures in SrTiO3 and BaTiO₃”, Materials Science Forum, 558-559, pp. 851-856 (2007) [pdf]

Si-Young Choi, Sung-Yoon Chung, and Suk-Joong L. Kang, “Abnormal grain growth and intergranular amorphous film formation in BaTiO₃”, Journal of the American Ceramic Society, 90, pp. 645-648 (2007) [pdf]

Sung-Yoon Chung, Sirk-Ihl Lee, Jin-Hoon Choi, and Si-Young Choi, “Initial cation stoichiometry and current-voltage behavior in Sc-doped calcium copper titanate”, Applied Physics Letters, 89, 191907 (2006) [pdf]

Dong-Yol Yang, Si-Young Choi, and Suk-Joong L. Kang, “Critical grain size for abnormal grain growth of BaTiO₃ in air”, Journal of the Ceramic Society of Japan, 114, pp. 970-973 (2006) [pdf]

Sung-Yoon Chung, Si-Young Choi, Takahisa Yamamoto, and Yuichi Ikuhara, “Inherent nanoscale bend of crystal lattice in Fe-doped calcium copper titanate”, Applied Physics Letters, 89, 121903 (2006) [pdf]

Il-Doo Kim, Mi-Hwa Lim, Kyong Tae Kang, Ho-Gi Kim, and Si- Young Choi, “Room temperature fabricated ZnO thin film transistor using high-K Bi_1.5Zn_1.0Nb_1.5O₇ gate insulator prepared by sputtering”, Applied Physics Letters, 89, 022905 (2006) [pdf]

John G. Fisher, Si-Young Choi, and Suk-Joong L. Kang, “Abnormal grain growth in barium titanate doped with alumina”, Journal of the American Ceramic Society, 89, pp. 2206-2212 (2006) [pdf]

Yang-Il Jung, Si-Young Choi, and Suk-Joong L. Kang, “Effect of oxygen partial pressure on grain boundary structure and grain growth behavior in BaTiO3”, Acta Materialia, 54, pp. 2849-2855 (2006) [pdf]

Si-Young Choi, J. P. Buban, M. Nishi, H. Kageyama, N. Shibata, T. Yamamoto, Suk-Joong L. Kang, and Y. Ikuhara, “Dislocation structures of low-angle boundaries in Nb-doped SrTiO3 bicrystals”, Journal of Materials Science, 41, pp. 2621-2625 (2006) [pdf]

Si-Young Choi, Suk-Joong L. Kang, Sung-Yoon Chung, Takahisa Yamamoto, and Yuichi Ikuhara, “Change in cation nonstoichiometry at interfaces during crystal growth in polycrystalline BaTiO₃”, Applied Physics Letters, 88, 011909 (2006) [pdf]

John G.Fisher, Byong-Ki Lee, Si-Young Choi, Seong-Min Wang, and Suk-Joong L. Kang, “Inhibition of abnormal grain growth in BaTiO₃ by addition of Al2O3”, Journal of the European Ceramic Society, 26, pp. 1619-1628 (2006) [pdf]

Sung-Yoon Chung, Si-Young Choi, Takahisa Yamamoto, Yuichi Ikuhara, and Suk-Joong L. Kang, “Site-selectivity of 3d metal cation dopants and dielectric response in calcium copper titaanate”, Applied Physics Letters, 88, 091917 (2006) [pdf]

John G. Fisher, Byong-Ki Lee, Antoine Brancquart, Si-Young Choi, and Suk-Joong L. Kang, “Effect of Al2O₃ dopant on abnormal grain growth in BaTiO₃”, Journal of the European Ceramic Society, 25, pp. 2033-2036 (2005) [pdf]

Si-Young Choi, and Suk-Joong L. Kang, “Control of boundary structure and grain growth for microstructural design”, Materials Science Forum, 475-479, pp. 3891-3896 (2005) [pdf]

Si-Young Choi, Duk-Yong Yoon, and Suk-Joong L. Kang, “Kinetic formation and thickening of intergranular amorphous films at grain boundaries in barium titanate”, Acta Materialia, 52, pp. 3721-3726 (2004) [pdf]

Si-Young Choi, and Suk-Joong L. Kang, “Sintering kinetics by structural transition at grain boundaries in barium titanate”, Acta Materialia, 52, pp. 2937-2943 (2004) [pdf]

Yang-Il Jung, Si-Young Choi, and Suk-Joong L. Kang, “Grain-growth behavior during stepwise sintering of barium titanate in hydrogen gas and air”, Journal of the American Ceramic Society, 86, pp. 2228-2230 (2003) [pdf]

Sung Bo Lee, Si-Young Choi, Suk-Joong L. Kang, and Duk Yong Yoon, “TEM observations of singular grain boundaries and their roughening transition in TiO₂-excess BaTiO₃”, Zeitschrift fuer Metallkunde/International Journal of Materials Research and Advanced Techniques, 94, pp. 193-199 (2003) [pdf]