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Woo Seok Choi
Woo Seok Choi
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Dimensionality-Controlled Insulator-Metal Transition and Correlated Metallic State in 5 d Transition Metal Oxides Sr n+ 1 Ir n O 3 n+ 1 (n= 1, 2, and∞)
SJ Moon, H Jin, KW Kim, WS Choi, YS Lee, J Yu, G Cao, A Sumi, ...
Physical review letters 101 (22), 226402, 2008
5702008
Reversible redox reactions in an epitaxially stabilized SrCoOx oxygen sponge
H Jeen, WS Choi, MD Biegalski, CM Folkman, IC Tung, DD Fong, ...
Nature materials 12 (11), 1057-1063, 2013
4282013
Wide bandgap tunability in complex transition metal oxides by site-specific substitution
WS Choi, MF Chisholm, DJ Singh, T Choi, GE Jellison Jr, HN Lee
Nature communications 3, 689, 2012
2872012
Topotactic Phase Transformation of the Brownmillerite SrCoO2. 5 to the Perovskite SrCoO3–δ
H Jeen, WS Choi, JW Freeland, H Ohta, CU Jung, HN Lee
Advanced Materials 25 (27), 3651-3656, 2013
2622013
Strain control of oxygen vacancies in epitaxial strontium cobaltite films
JR Petrie, C Mitra, H Jeen, WS Choi, TL Meyer, FA Reboredo, ...
Advanced Functional Materials 26 (10), 1564-1570, 2016
2382016
Temperature dependence of the electronic structure of the J eff= 1 2 Mott insulator Sr 2 IrO 4 studied by optical spectroscopy
SJ Moon, H Jin, WS Choi, JS Lee, SSA Seo, J Yu, G Cao, TW Noh, ...
Physical Review B 80 (19), 195110, 2009
2172009
Oxygen-deficient triple perovskites as highly active and durable bifunctional electrocatalysts for oxygen electrode reactions
NI Kim, YJ Sa, TS Yoo, SR Choi, RA Afzal, T Choi, YS Seo, KS Lee, ...
Science Advances 4 (6), eaap9360, 2018
2072018
Strain-Induced Spin States in Atomically Ordered Cobaltites
WS Choi, JH Kwon, H Jeen, JE Hamann-Borrero, A Radi, S Macke, ...
Nano letters 12 (9), 4966-4970, 2012
1962012
Role of Strain and Conductivity in Oxygen Electrocatalysis on LaCoO3 Thin Films
KA Stoerzinger, WS Choi, H Jeen, HN Lee, Y Shao-Horn
The Journal of Physical Chemistry Letters 6 (3), 487-492, 2015
1752015
Tunneling Electroresistance Induced by Interfacial Phase Transitions in Ultrathin Oxide Heterostructures
L Jiang, WS Choi, H Jeen, S Dong, Y Kim, MG Han, Y Zhu, SV Kalinin, ...
Nano letters 13 (12), 5837-5843, 2013
1332013
Electronic structures of hexagonal R Mn O 3 (R= Gd, Tb, Dy, and Ho) thin films: Optical spectroscopy and first-principles calculations
WS Choi, DG Kim, SSA Seo, SJ Moon, D Lee, JH Lee, HS Lee, DY Cho, ...
Physical Review B 77 (4), 045137, 2008
1222008
Topotactic Metal–Insulator Transition in Epitaxial SrFeOx Thin Films
A Khare, D Shin, TS Yoo, M Kim, TD Kang, J Lee, S Roh, IH Jung, ...
Advanced Materials 29 (37), 1606566, 2017
1162017
Orienting oxygen vacancies for fast catalytic reaction
H Jeen, Z Bi, WS Choi, MF Chisholm, CA Bridges, MP Paranthaman, ...
Advanced Materials 25 (44), 6459-6463, 2013
1162013
Localized electronic states induced by defects and possible origin of ferroelectricity in strontium titanate thin films
YS Kim, J Kim, SJ Moon, WS Choi, YJ Chang, JG Yoon, J Yu, JS Chung, ...
Applied Physics Letters 94 (20), 202906, 2009
1162009
Reversal of the Lattice Structure in SrCoO x Epitaxial Thin Films Studied by Real-Time Optical Spectroscopy and First-Principles Calculations
WS Choi, H Jeen, JH Lee, SSA Seo, VR Cooper, KM Rabe, HN Lee
Physical review letters 111 (9), 097401, 2013
1002013
Origin of Hysteresis in CH3NH3PbI3 Perovskite Thin Films
D Seol, A Jeong, MH Han, S Seo, TS Yoo, WS Choi, HS Jung, H Shin, ...
Advanced Functional Materials 27 (37), 1701924, 2017
962017
Growth control of oxygen stoichiometry in homoepitaxial SrTiO3 films by pulsed laser epitaxy in high vacuum
HN Lee, SS Ambrose Seo, WS Choi, CM Rouleau
Scientific reports 6 (1), 19941, 2016
952016
Nanoscale Spin-State Ordering in LaCoO3 Epitaxial Thin Films
JH Kwon, WS Choi, YK Kwon, R Jung, JM Zuo, HN Lee, M Kim
Chemistry of Materials 26 (8), 2496-2501, 2014
932014
Optical study of the free-carrier response of LaTiO 3/SrTiO 3 superlattices
SSA Seo, WS Choi, HN Lee, L Yu, KW Kim, C Bernhard, TW Noh
Physical review letters 99 (26), 266801, 2007
882007
Enhanced electrocatalytic activity via phase transitions in strongly correlated SrRuO 3 thin films
SA Lee, S Oh, JY Hwang, M Choi, C Youn, JW Kim, SH Chang, S Woo, ...
Energy & Environmental Science 10 (4), 924-930, 2017
862017
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