The effect of K and Na excess on the ferroelectric and piezoelectric properties of K0. 5Na0. 5NbO3 thin films CW Ahn, SY Lee, HJ Lee, A Ullah, JS Bae, ED Jeong, JS Choi, BH Park, ...
Journal of Physics D: Applied Physics 42 (21), 215304, 2009
130 2009 Phase Transition, Electrical Properties, and Temperature‐Insensitive Large Strain in BiAlO3 ‐Modified Bi0.5 (Na0.75 K0.25 )0.5 TiO3 Lead‐Free Piezoelectric … A Ullah, CW Ahn, A Hussain, SY Lee, IW Kim
Journal of the American Ceramic Society 94 (11), 3915-3921, 2011
113 2011 Phase transitions and large electric field-induced strain in BiAlO3-modified Bi0. 5 (Na, K) 0.5 TiO3 lead-free piezoelectric ceramics A Ullah, CW Ahn, A Hussain, SY Lee, HJ Lee, IW Kim
Current Applied Physics 10 (4), 1174-1181, 2010
89 2010 Enhanced ferroelectric properties of substituted lead-free thin films grown by chemical solution deposition CW Ahn, ED Jeong, SY Lee, HJ Lee, SH Kang, IW Kim
Applied Physics Letters 93 (21), 212905, 2008
69 2008 Effect of potassium concentration on the structure and electrical properties of lead-free Bi0. 5 (Na, K) 0.5 TiO3–BiAlO3 piezoelectric ceramics A Ullah, CW Ahn, A Hussain, SY Lee, JS Kim, IW Kim
Journal of Alloys and Compounds 509 (6), 3148-3154, 2011
45 2011 Enhanced piezoelectric properties of Ta substituted-(K0. 5Na0. 5) NbO3 films: A candidate for lead-free piezoelectric thin films SY Lee, CW Ahn, JS Kim, A Ullah, HJ Lee, HI Hwang, JS Choi, BH Park, ...
Journal of Alloys and Compounds 509 (20), L194-L198, 2011
44 2011 Biomass-garlic-peel-derived porous carbon framework as a sulfur host for lithium-sulfur batteries SY Lee, Y Choi, JK Kim, SJ Lee, JS Bae, ED Jeong
Journal of Industrial and Engineering Chemistry, 2020
41 2020 Structure, ferroelectric properties, and electric field-induced large strain in lead-free Bi0. 5 (Na, K) 0.5 TiO3–(Bi0. 5La0. 5) AlO3 piezoelectric ceramics A Ullah, CW Ahn, SY Lee, JS Kim, IW Kim
Ceramics International 38, S363-S368, 2012
40 2012 Large piezoresponse of lead-free Bi0. 5 (Na0. 85K0. 15) 0.5 TiO3 thin film CW Ahn, SS Won, A Ullah, SY Lee, SD Lee, JH Lee, W Jo, IW Kim
Current Applied Physics 12 (3), 903-907, 2012
39 2012 Effect of Mn substitution on ferroelectric and leakage current characteristics of lead-free (K0. 5Na0. 5)(MnxNb1− x) O3 thin films SY Lee, CW Ahn, A Ullah, HJ Seog, JS Kim, SH Bae, IW Kim
Current Applied Physics 11 (3), S266-S269, 2011
37 2011 Recent Progress in Potassium Sodium Niobate Lead-free Thin Films HJ Seog, A Ullah, CW Ahn, IW Kim, SY Lee, J Park, HJ Lee, SS Won, ...
Journal of the Korean Physical Society 72 (12), 1467-1483, 2018
31 2018 Frequency and temperature dependence of dielectric and electrical properties of radio-frequency sputtered lead-free K0. 48Na0. 52NbO3 thin films JS Kim, HJ Lee, SY Lee, IW Kim, SD Lee
Thin Solid Films 518 (22), 6390-6393, 2010
31 2010 Influence of EDTA in poly (acrylic acid) binder for enhancing electrochemical performance and thermal stability of silicon anode SY Lee, Y Choi, KS Hong, JK Lee, JY Kim, JS Bae, ED Jeong
Applied Surface Science 447, 442-451, 2018
28 2018 Effects of LiNbO3 substitution on lead-free (K0. 5Na0. 5) NbO3 ceramics: Enhanced ferroelectric and electrical properties JS Kim, CW Ahn, SY Lee, A Ullah, IW Kim
Current Applied Physics 11 (3), S149-S153, 2011
26 2011 Effect of Ta content on the phase transition and piezoelectric properties of lead-free (K0.48 Na0.48 Li0.04 )(Nb0.995- x Mn0.005 Tax )O3 thin film C Won Ahn, H Jin Seog, A Ullah, S Young Lee, J Won Kim, S Su Kim, ...
Journal of Applied Physics 111 (2), 024110, 2012
23 2012 Control of the ferroelectric and electrical properties of Nd substituted bismuth titanate ceramics JS Kim, SY Lee, HJ Lee, CW Ahn, IW Kim, MS Jang
Journal of Electroceramics 21 (1-4), 633-636, 2008
23 2008 Phase transition, microstructures and electromechanical properties of BiAlO3-modified Bi0. 5 (Na, K) 0.5TiO3 lead-free piezoelectric ceramics A Ullah, SY Lee, HJ Lee, IW Kim, CW Ahn, HI Hwang, A Hussain, JS Lee
J. Kor. Phys. Soc 57, 1102-105, 2010
19 2010 Effects of Nb doping on Bi 4 Ti 3 O 12 and Bi 3.25 La 0.75 Ti 3 O 12 ceramics and thin films: different ferroelectric and electrical properties JS Kim, CW Ahn, HJ Lee, SY Lee, SH Kang, IW Kim, KS Lee
Journal of the Korean Physical Society 46 (1), 147-150, 2005
19 * 2005 Retention characteristics of V-doped Bi3. 25La0. 75Ti3O12 thin film JS Kim, CW Ahn, HJ Lee, SY Lee, IW Kim, JS Bae, JH Jeong
Ceramics international 30 (7), 1565-1568, 2004
18 2004 Cracking resistance and electrochemical performance of silicon anode on binders with different mechanical characteristics SY Lee, Y Choi, SH Kwon, JS Bae, ED Jeong
Journal of Industrial and Engineering Chemistry 74, 216-222, 2019
15 2019