Professors

• · 1986 Ph.D. in Physics, Ohio State University
• · 1984 M.S. in Physics, Ohio State University
• · 1982 B.S. in Physics, Seoul National University

• · 2017 – present Endowed-Chair Professor, SNU
• · 1989 - present Assistant, Associate, & Full Professor, Department of Physics, SNU
• · 1987 - 1989 Postdoctor, LASSP, Cornell University

Searching for newly emerging phenomena and novel phases, such as metal-insulator transitions, atomic ferroelectricity and correlated topological phases

1. Advanced Materials, 1905815 (2019) "Atomic-Scale Metal-Insulator Transition in SrRuO3 Ultrathin Films Triggered by Surface Termination Conversion"
2. Nature Materials 17, 1087–1094 (2018) "Ferroelectrically tunable magnetic skyrmions in ultrathin oxide heterostructures"
3. Advanced Materials 30, 1704777 (2018) "Spectroscopic Studies on the Metal-Insulator Transition Mechanism in Correlated Materials"
4. Nature Nanotechnology 13, 366–370 (2018) “Selective control of multiple ferroelectric switching pathways using trailing flexoelectric field”
5. Advanced Materials 29, 155139 (2017) “Electronic-reconstruction-enhanced tunneling conductance at terrace edges of ultrathin oxide films”