The origin of antiferroelectricity in PbZrO3 AK Tagantsev, K Vaideeswaran, SB Vakhrushev, AV Filimonov, ...
Nature communications 4 (1), 1-8, 2013
333 2013 Precursor dynamics in the ferroelectric phase transition of barium titanate single crystals studied by Brillouin light scattering JH Ko, TH Kim, K Roleder, D Rytz, S Kojima
Physical Review B 84 (9), 094123, 2011
137 2011 Base-treated polydimethylsiloxane surfaces as enhanced triboelectric nanogenerators BK Yun, JW Kim, HS Kim, KW Jung, Y Yi, MS Jeong, JH Ko, JH Jung
Nano Energy 15, 523-529, 2015
114 2015 Flexible Pb(Zr0.52 Ti0.48 )O3 Films for a Hybrid Piezoelectric-Pyroelectric Nanogenerator under Harsh Environments YJ Ko, DY Kim, SS Won, CW Ahn, IW Kim, AI Kingon, SH Kim, JH Ko, ...
ACS Applied Materials & Interfaces 8 (10), 6504-6511, 2016
93 2016 Elastic softening and central peaks in BaTiO3 single crystals above the cubic-tetragonal phase-transition temperature JH Ko, S Kojima, TY Koo, JH Jung, CJ Won, NJ Hur
Applied physics letters 93 (10), 2008
91 2008 Central peaks, acoustic modes, and the dynamics of polar nanoregions in single crystals studied by Brillouin spectroscopy JH Ko, DH Kim, S Kojima
Physical Review B—Condensed Matter and Materials Physics 77 (10), 104110, 2008
86 2008 Boson peak dynamics of glassy glucose studied by integrated terahertz-band spectroscopy M Kabeya, T Mori, Y Fujii, A Koreeda, BW Lee, JH Ko, S Kojima
Physical review B 94 (22), 224204, 2016
76 2016 Mode softening, precursor phenomena, and intermediate phases in PbZrO 3 JH Ko, M Górny, A Majchrowski, K Roleder, A Bussmann-Holder
Physical Review B 87 (18), 184110, 2013
68 2013 Low-temperature transverse dielectric and pyroelectric anomalies of uniaxial tungsten bronze crystals JH Ko, S Kojima, SG Lushnikov, RS Katiyar, TH Kim, JH Ro
Journal of Applied Physics 92 (3), 1536-1543, 2002
64 2002 Compositional disorder, polar nanoregions and dipole dynamics in Pb(Mg1/3 Nb2/3 )O3 -based relaxor ferroelectrics AA Bokov, BJ Rodriguez, X Zhao, JH Ko, S Jesse, X Long, W Qu, TH Kim, ...
Oldenbourg Wissenschaftsverlag GmbH 226 (2), 99-107, 2011
63 2011 Crossover in the mechanism of ferroelectric phase transition of Pb [(Mg 1/3 Nb 2/3) 1− x Ti x] O 3 single crystals studied by Brillouin light scattering JH Ko, DH Kim, S Tsukada, S Kojima, AA Bokov, ZG Ye
Physical Review B—Condensed Matter and Materials Physics 82 (10), 104110, 2010
57 2010 Central peaks and Brillouin scattering in uniaxial relaxor single crystals of Sr 0.61 Ba 0.39 Nb 2 O 6 FM Jiang, JH Ko, S Kojima
Physical Review B 66 (18), 184301, 2002
57 2002 Lattice dynamics and antiferroelectricity in PbZrO 3 tested by x-ray and Brillouin light scattering RG Burkovsky, AK Tagantsev, K Vaideeswaran, N Setter, SB Vakhrushev, ...
Physical Review B 90 (14), 144301, 2014
51 2014 Study on the simulation model for the optimization of optical structures of edge-lit backlight for LCD applications YH Ju, JH Park, JH Lee, JY Lee, KB Nahm, JH Ko, JH Kim
Journal of the Optical Society of Korea 12 (1), 25-30, 2008
50 2008 Raman Scattering Study of A- and B-site Substitutions in Ferroelectric Bi Ti O A Hushur, JH Ko, S Kojima, SS Lee, MS Jang
Journal of the Korean Physical Society 41 (5), 763, 2002
46 2002 Precursor dynamics, incipient ferroelectricity and huge anharmonicity in antiferroelectric lead zirconate PbZrO3 A Bussmann-Holder, JH Ko, A Majchrowski, M Górny, K Roleder
Journal of Physics: Condensed Matter 25 (21), 212202, 2013
45 2013 Phase transition behaviors of PbZr1− xTixO3 single crystals as revealed by elastic anomalies and central peaks T Hyun Kim, JH Ko, S Kojima, AA Bokov, X Long, ZG Ye
Applied Physics Letters 100 (8), 2012
41 2012 Correlation between the dynamics of polar nanoregions and temperature evolution of central peaks in Pb [(Zn1∕ 3Nb2∕ 3) 0.91 Ti0. 09] O3 ferroelectric relaxors JH Ko, DH Kim, S Kojima
Applied physics letters 90 (11), 2007
41 2007 Light scattering study of acoustic phonon modes and central peaks in Pb [(Mg1∕ 3Nb2∕ 3) 0.45 Ti0. 55] O3 single crystals JH Ko, S Kojima, AA Bokov, ZG Ye
Applied physics letters 91 (25), 2007
40 2007 Raman spectroscopic study of LiH2PO4 KS Lee, JH Ko, J Moon, S Lee, M Jeon
Solid State Communications 145 (9-10), 487-492, 2008
37 2008