Our research focuses on the application of aberration-corrected STEM with emphasis on the unprecedented atomic scale imaging techniques aimed at unraveling and understanding the various material property-dependent device performance.
"Exploring the Possibility of Thermally Assisted Creation and Annihilation of Anti-Frenkel Defects in a Multiferroic Oxide for Tuning Interfacial Ferroelectricity", 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*, , Advanced Materials Interfaces xx, xx (2024)
"Comparing the Impacts of Strain Types on Oxygen-Vacancy Formation in a Perovskite Oxide via Nanometer-Scale Strain Fields", 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), ACS Nano 14, 18465 (2024)
"Crystallographic Pathways to Tailoring Metal-Insulator Transition through Oxygen Transport in VO2", Hyeji Sim†, Kyung-Yeon Doh†, Yunkyu Park, Kyung Song, Gi-Yeop Kim, Junwoo Son, Donghwa Lee*, Si-Young Choi* († equally contributed authorsSmall xx, 2402260 (2024)
"Integrated 1D epitaxial mirror twin boundaries for ultrascaled 2D MoS2 field-effect transistors", 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 & Moon-Ho Jo* († equally contributed authors), Nature Nanotechnology xx, xx (2024)
About Prof.
Profile
2024 - Present Adjunct Professor, Department of Battery Engineering, GIFT, POSTECH
2021 - Present Professor, Department of Materials Science & Engineering, POSTECH
2017 - 2021 Adjunct Professor, Department of Materials Science & Engineering, POSTECH
2016 - 2017 Head of Department, Department of Materials Modeling & Characterization, Korea Institute of Materials Science (KIMS)
Education
2004 Ph. D., Department of Materials Science and Engineering, KAIST
2000 M.S., Department of Materials Science and Engineering, KAIST
1999 Department of Ceramic Engineering, Busan National University