Results 11 to 20 of about 206 (119)

Enhanced strain and electrostrictive properties in lead-free BNT-based ceramics via rare earth doping

Journal of Materiomics, 2022
Bi0.5Na0.5TiO3 (BNT)-based ceramics are one of the most promising lead-free ferroelectrics due to their high strain property. Compared to other chemical modifications, rare earth ions doping provides significant possibility to optimize the strain ...
Anping Deng, Jiagang Wu
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Oxygen vacancy migration and its lattice structural origin in A-site non-stoichiometric bismuth sodium titanate perovskites

Journal of Materiomics, 2022
Off-stoichiometry of perovskite structural Bi0.5Na0.5TiO3 (BNT) ferroelectrics can give rise to considerable oxide-ion conductivity. The inherent structural characteristics are urgent to be resolved due to its particular sensitivity of the conduction ...
Jing Shi, Xiao Liu, Fangyuan Zhu, Wenchao Tian, Yuanhua Xia, Tangyuan Li, Rongrong Rao, Tao Zhang, Laijun Liu   +8 more
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Composition-sensitive electrical properties of charge nonstoichiometric 0.94Bi0.5+xNa0.5−xTiO3–0.06BaTiO3 ceramics [PDF]

Journal of Advanced Dielectrics, 2019
Charge nonstoichiometric 0.94Bi0.5+xNa0.5−xTiO3–0.06BaTiO3 (BNT-BT) (x=−0.02,−0.01,0,0.01,0.02) ceramics were prepared and investigated. The depolarization temperature was dependent on composition and the ferroelectric property of x>0 was suppressed more
Ji Zhang, Rui-Xue Wang, Ling Li, Lei Sun, Zheng-Bin Gu, Haibo Zhang, Shan-Tao Zhang   +6 more
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Dielectric behaviors and relaxor characteristics in Bi0.5Na0.5TiO3-BaTiO3 ceramics [PDF]

Journal of Advanced Dielectrics, 2019
Microstructure and dielectric behaviors of heating/cooling and bias-field were investigated in lead-free ceramics (1−x)Bi0.5Na0.5TiO3−xBaTiO3 (BNT−xBT, x=0, 0.02, 0.04, 0.06, 0.08 and 0.10).
Pei Chen, Jun Wang, Weidong Zeng, Changrong Zhou, Yongsheng Zhang, Qingning Li, Jiwen Xu, Guohua Chen, Changlai Yuan   +8 more
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Microstructures and photovoltaic effect of Ba/Fe modified Bi0.5Na0.5TiO3 ferroelectric ceramics [PDF]

APL Electronic Devices
Oxide ferroelectrics have great potential applications in optoelectronic and solar devices. However, most oxide ferroelectrics show wide bandgaps (>3.2 eV), limiting their use in the photovoltaic field.
Mingqiang Zhong, Weixing Dou, Xiao Liu, Baohua Zhu, Liufang Meng, Changlai Yuan, Rusen Yang   +6 more
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Correlations between structure, microstructure, density and dielectric properties of the lead-free ferroelectrics Bi0.5(Na,K)0.5TiO3 [PDF]

Journal of Advanced Dielectrics, 2015
Solid solutions of the lead-free ferroelectric oxides Bi0.5Na0.5TiO3 (BNT) and Bi0.5K0.5TiO3 (BKT), represented as (1−x)BNT–xBKT, are studied for very close compositions in the range 0≤x≤0.36 to understand the correlation between the structure and the ...
K. Anjali, T. G. Ajithkumar, P. A. Joy
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Revealing structure behavior behind the piezoelectric performance of prototype lead-free Bi0.5Na0.5TiO3BaTiO3 under in-situ electric field

Journal of Materiomics, 2022
Bi0.5Na0.5TiO3BaTiO3 (BNT–100xBT) ceramics are promising candidates for piezoelectric applications. The correlation between their structure and piezoelectric properties has attracted considerable interest.
Huajie Luo, Shiyu Tang, Hui Liu, Zheng Sun, Baitao Gao, Yang Ren, He Qi, Shiqing Deng, Houbing Huang, Jun Chen   +9 more
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RETRACTED: A Stress Self‐Adaptive Silicon/Carbon “Ordered Structures” to Suppress the Electro‐Chemo‐Mechanical Failure: Piezo‐Electrochemistry and Piezo‐Ionic Dynamics

Advanced Science, 2023
Construction of ordered structures that respond rapidly to environmental stimuli has fascinating possibilities for utilization in energy storage, wearable electronics, and biotechnology.
Hongshun Zhao, Kang Liang, Shijie Wang, Zhengping Ding, Xiaobing Huang, Wenkai Chen, Yurong Ren, Jianbin Li   +7 more
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Analysis of the Phase Transitions in BNT-BT Lead-Free Ceramics Around Morphotropic Phase Boundary by Mechanical and Dielectric Spectroscopies

Archives of Metallurgy and Materials, 2016
In this work, the syntheses and characterization by mechanical and dielectric spectroscopies of (1-x) Bi0.5Na0.5TiO3-xBaTiO3 (BNT-100xBT), with x = 0.05, 0.06 and 0.07, lead-free piezoelectric ceramics is reported.
Silva P.S., Diaz J.C.C.A., Florêncio O., Venet M., M’Peko J.C.   +4 more
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BS0.5BNT-based relaxor ferroelectric ceramic/glass–ceramic composites for energy storage

Journal of Advanced Ceramics, 2023
Relaxor ferroelectric ceramics have very high dielectric constant (εr) but relatively low electrical breakdown strength (Eb), while glass–ceramics exhibit higher Eb due to the more uniformly dispersed amorphous phases and submicrocrystals/nanocrystals ...
Xuhai Shi, Kai Li, Zong-Yang Shen, Junqi Liu, Chaoqun Chen, Xiaojun Zeng, Bo Zhang, Fusheng Song, Wenqin Luo, Zhumei Wang, Yueming Li   +10 more
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