Results 51 to 60 of about 70,379 (187)

Non-Resonant Magnetoelectric Energy Harvesting Utilizing Phase Transformation in Relaxor Ferroelectric Single Crystals

Actuators, 2015
Recent advances in phase transition transduction enabled the design of a non-resonant broadband mechanical energy harvester that is capable of delivering an energy density per cycle up to two orders of magnitude larger than resonant cantilever ...
Peter Finkel, Richard Pérez Moyet, Marilyn Wun-Fogle, James Restorff, Jesse Kosior, Margo Staruch, Joseph Stace, Ahmed Amin   +7 more
doaj   +1 more source

Bismuth zinc niobate: BZN-BT, a new lead-free BaTiO3-based ferroelectric relaxor?

Journal of Advanced Dielectrics, 2020
The novel lead-free ferroelectric relaxor system x(Bi(Zn2/3 Nb1/3)O3)(1 − x)BaTiO3 (xBZN(1 − x)BT) has received interest as a high-capacity relaxor dielectric material.
Jessica Marshall, David Walker, Pam Thomas   +2 more
doaj   +1 more source

Static and dynamic polar nanoregions in relaxor ferroelectric Ba(Ti1-xSnx)O3 system at high temperature [PDF]

, 2012
Relaxor ferroelectrics are materials exhibiting dielectric dispersions in their maximum permittivity temperature without macroscopic phase transition into a ferroelectric state.
Li, Y.L., Yao, X., Zhu, J., Cheng, Z.Y., Urban, K., Jia, C.L., Ye, Z.G., Yu, R., Bokov, A., Wei, X.Y., Xie, L.   +10 more
core   +1 more source

Frequency and temperature dependent electric polarization, relaxation, and transport properties of Mo and W doped BaTiO3

Results in Physics, 2021
In this article, we report the structural, dielectric, electronic, and transport properties of Mo and W doped BaTiO3 ceramic. The BaTiO3 (BTO), BaTi0.85Mo0.15O3 (BTMO), and BaTi0.85W0.15O3 (BTWO) samples were prepared by double sintering ceramic ...
Md. Sarowar Hossain, Sankar Kumar Das, Md. Moniruzzaman, M.A. Hakim, M.A. Basith   +4 more
doaj   +1 more source

Origin of diffuse scattering in relaxor ferroelectrics [PDF]

Physical Review B, 2010
High-pressure and variable temperature single crystal synchrotron X-ray measurements combined with first-principles based molecular dynamics simulations study diffuse scattering in the relaxor ferroelectric system PSN (PbSc$_{1/2}$Nb$_{1/2}$O$_3$).
Ganesh, P., Cockayne, E., Ahart, M., Cohen, R. E., Burton, B., Hemley, R. J., Ren, Yang, Yang, Wenge, Ye, Z-G   +8 more
openaire   +2 more sources

Investigation on relaxor-ferroelectric behavior of BNBT-KNN ceramics with Ta doping

Journal of Advanced Dielectrics
In this study, BNBT-KNN-xTa2O5 was designed and synthesized, successfully achieving a reduction in the relaxor-ferroelectric phase transition temperature.
Chenglong Zhang, Shurong Li, Suzhi Li, Le Zhang, Haijun Wu   +4 more
doaj   +1 more source

Crossover from normal to diffused and relaxor ferroelectric in BaZrO3-modified (Ba0.85Ca0.15)TiO3 ceramics

Journal of Materiomics, 2021
The variation of dielectric, ferroelectric and piezoelectric characteristics of BaZrO3–modified (Ba0.85Ca0.15)TiO3 ceramics, (1-x)(Ba0.85Ca0.15)TiO3-xBaZrO3, have been investigated together with the structure evolution.
Shao Bo Chen, Jia Yi Yang, Shu Ya Wu, Xiang Ming Chen   +3 more
doaj   +1 more source

Achieving Temperature‐Insensitive High Piezoelectricity by Reentrant Relaxor Transition

Advanced Science
Although precision sensors and actuators demand piezoelectric materials with temperature‐insensitive high piezoelectricity (d33), achieving such a property is physically challenging because high d33 relies on tuning the material to the vicinity of a ...
Yang Yang, Shichang Li, Liqiang He, Guanqi Wang, Chang Liu, Yiqiao Song, Yuanchao Ji, Hanbing Zhang, Jiantuo Zhao, Dong Wang, Xiaobing Ren   +10 more
doaj   +1 more source

Enhanced Energy Storage Performance in La-Doped CaBi₄Ti₄O₁₅ Films Through the Formation of a Weakly Coupled Relaxor

Nanomaterials
Relaxor ferroelectric film capacitors exhibit high power density with ultra-fast charge and discharge rates, making them highly advantageous for consumer electronics and advanced pulse power supplies.
Quanlong Liu, Lei Zhang, Jun Ouyang, Yan Liu, Zhehong Tang, Jieyu Chen, Fei Guo, Yunpeng Zhou   +7 more
doaj   +1 more source

Realizing high low-electric-field energy storage performance in AgNbO3 ceramics by introducing relaxor behaviour

Journal of Materiomics, 2019
Both sustainable development in environment and safety of high-power systems require to develop a novel lead-free dielectric capacitor with high energy density (Wrec) at low applied electric field.
Kai Han, Nengneng Luo, Shuaifei Mao, Fangping Zhuo, Xiyong Chen, Laijun Liu, Changzheng Hu, Huanfu Zhou, Xinpeng Wang, Yuezhou Wei   +9 more
doaj   +1 more source