| Large electric-field-induced strain in Zr-modified lead-free Bi0. 5 (Na0. 78K0. 22) 0.5 TiO3 piezoelectric ceramics A Hussain, CW Ahn, JS Lee, A Ullah, IW Kim Sensors and Actuators A: Physical 158 (1), 84-89, 2010 | 238 | 2010 |
| Electric-field-induced phase transition and large strain in lead-free Nb-doped BNKT-BST ceramics A Ullah, RA Malik, A Ullah, DS Lee, SJ Jeong, JS Lee, IW Kim, CW Ahn Journal of the European Ceramic Society 34 (1), 29-35, 2014 | 147 | 2014 |
| 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 | 133 | 2009 |
| Phase Transition, Electrical Properties, and Temperature‐Insensitive Large Strain in BiAlO3‐Modified Bi0. 5 (Na0. 75K0. 25) 0.5 TiO3 Lead‐Free Piezoelectric Ceramics A Ullah, CW Ahn, A Hussain, SY Lee, IW Kim Journal of the American Ceramic Society, 2011 | 115 | 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 | 90 | 2010 |
| Effects of hafnium substitution on dielectric and electromechanical properties of lead-free Bi0. 5 (Na0. 78K0. 22) 0.5 (Ti1-xHfx) O3 ceramics A Hussain, CW Ahn, A Ullah, JS Lee, IW Kim Japanese Journal of Applied Physics 49 (4R), 041504, 2010 | 86 | 2010 |
| Large strain under a low electric field in lead-free bismuth-based piezoelectrics A Ullah, C Won Ahn, A Ullah, I Won Kim Applied Physics Letters 103 (2), 2013 | 79 | 2013 |
| Large electromechanical response in lead‐free La‐doped BNKT–BST piezoelectric ceramics A Ullah, A Ullah, IW Kim, DS Lee, SJ Jeong, CW Ahn Journal of the American Ceramic Society 97 (8), 2471-2478, 2014 | 76 | 2014 |
| The effects of sintering temperatures on dielectric, ferroelectric and electric field-induced strain of lead-free Bi0. 5 (Na0. 78K0. 22) 0.5 TiO3 piezoelectric ceramics … A Ullah, CW Ahn, A Hussain, IW Kim Current Applied Physics 10 (6), 1367-1371, 2010 | 73 | 2010 |
| High strain response in ternary Bi0.5Na0.5TiO3– BaTiO3–Bi(Mn0.5Ti0.5)O3 solid solutions AU Mehtab Alam, Amir Ullah, Chang Won Ahn, Jae Shin Lee, Shinuk Cho, Ill Won Kim RSC Advances 6, 63915-63921, 2016 | 70 | 2016 |
| Dielectric, ferroelectric and field-induced strain behavior of K0. 5Na0. 5NbO3-modified Bi0. 5 (Na0. 78K0. 22) 0.5 TiO3 lead-free ceramics A Hussain, CW Ahn, A Ullah, JS Lee, IW Kim Ceramics International 38 (5), 4143-4149, 2012 | 52 | 2012 |
| 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 | 47 | 2011 |
| Giant room-temperature electrostrictive coefficients in lead-free relaxor ferroelectric ceramics by compositional tuning THK Aman Ullah, Hafiza Bushra Gul, Amir Ullah, Muhammad Sheeraz, Jong-Seong ... APL Materials 6, 016104, 2018 | 46 | 2018 |
| 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, 2011 | 46 | 2011 |
| Structural transition and large electric field-induced strain in BiAlO3-modified Bi0. 5 (Na0. 8K0. 2) 0.5 TiO3 lead-free piezoelectric ceramics A Ullah, CW Ahn, A Hussain, IW Kim, HI Hwang, NK Cho Solid State Communications 150 (25-26), 1145-1149, 2010 | 45 | 2010 |
| Enhancement of Dielectric and Energy Density Properties in the PVDF-Based Copolymer/Terpolymer Blends MJIIWK Amir Ullah, Ata ur Rahman, Chang Won Ahn, Muneeb-ur Rahman, Aman ... Polymer Engineering and Science 55, 1396-1402, 2015 | 43 | 2015 |
| Structure, ferroelectric properties, and electric field-induced large strain in lead-free Bi0.5(Na,K)0.5TiO3–(Bi0.5La0.5)AlO3 piezoelectric ceramics A Ullah, CW Ahn, SY Lee, JS Kim, IW Kim Ceramics International 38, S363-S368, 2012 | 41 | 2012 |
| Phase transition and electrical properties of BiAlO3-modified (Bi0. 5Na0. 5) TiO3 piezoelectric ceramics A Ullah, CW Ahn, KB Jang, A Hussain, IW Kim Ferroelectrics 404 (1), 167-172, 2010 | 41 | 2010 |
| Large piezoresponse of lead-free Bi 0. 5 (Na 0. 85 K 0. 15) 0. 5 TiO 3 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 | 40 | 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, 2011 | 38 | 2011 |
Chang Won AhnUniversity of UlsanEmail được xác minh tại ulsan.ac.kr