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Dr. Aman Ullah
Dr. Aman Ullah
Associate Professor of Physics, University of Science and Technology Bannu, Khyber Pakhtunkhwa
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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
2362010
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
1342014
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, 215304, 2009
1302009
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
1132011
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
892010
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
842010
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
802013
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
712014
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
702010
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
692016
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
502012
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
442011
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
432011
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
432010
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
402018
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
402015
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
402012
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
392012
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
372011
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
362010
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