Results 1 to 10 of about 70,379 (187)

Relaxor Ferroelectric Polymers: Insight Into High Electrical Energy Storage Properties From a Molecular Perspective [PDF]

Small Science, 2021
Relaxor ferroelectric polymers exhibit both high dielectric constants and low remnant polarization and thus deliver much higher energy densities and greater charge–discharge efficiencies than normal ferroelectrics for capacitive energy storage ...
Qing Wang, Yen-Ting Lin, Yang Liu
exaly   +3 more sources

Superlattice Engineering in Relaxor Ferroelectric-based Capacitors for Ultra-Highly Efficient Recoverable Energy Storage Density [PDF]

Nature Communications
In this work, we show that superlattice engineering, through the combination of relaxor ferroelectric 0.5Ba(Zr0.2Ti0.8)O3−0.5(Ba0.7Ca0.3)TiO3 and paraelectric SrTiO3 layers, is a powerful approach to simultaneously optimize energy density and efficiency ...
Matilde M. G. S. Oliveira, Ampattu R. Jayakrishnan, Duarte J. M. Ribeiro, Tiago Rodrigues, Jingye Zou, Surya K. P. Nair, Raluca Negrea, Marian C. Istrate, Manuel J. L. F. Rodrigues, Michael Belsley, Bernardo G. Almeida, Mario Pereira, Judith L. MacManus-Driscoll, Ignasi Fina, Florencio Sánchez, Luís Marques, José P. B. Silva   +16 more
doaj   +2 more sources

Pure- and Pseudo-Lateral-Field-Excitation Characteristics of Relaxor Ferroelectric Single Crystal PMN-PT [PDF]

Micromachines, 2023
The relaxor ferroelectric single crystal (1−x)Pb(Mg1/3Nb2/3)O3-xPbTiO3 (PMN-PT) has high piezoelectric constants, and thus has a good application prospect in the field of highly sensitive piezoelectric sensors.
Fei Sun, Tingfeng Ma, Pengfei Kang, Yuming Yao, Ning Gan, Lili Yuan, Wenhui Hu, Iren Kuznetsova, Ilya Nedospasov   +8 more
doaj   +2 more sources

High-entropy relaxor ferroelectric ceramics for ultrahigh energy storage [PDF]

Nature Communications
Dielectric ceramic capacitors with ultrahigh power densities are fundamental to modern electrical devices. Nonetheless, the poor energy density confined to the low breakdown strength is a long-standing bottleneck in developing desirable dielectric ...
Haonan Peng, Tiantian Wu, Zhen Liu, Zhengqian Fu, Dong Wang, Yanshuang Hao, Fangfang Xu, Genshui Wang, Junhao Chu   +8 more
doaj   +2 more sources

Ultrahigh Electrostrictive Effect in Lead-Free Sodium Bismuth Titanate-Based Relaxor Ferroelectric Thick Film [PDF]

Nanomaterials
In recent years, the development of environmentally friendly, lead-free ferroelectric films with prominent electrostrictive effects have been a key area of focus due to their potential applications in micro-actuators, sensors, and transducers for ...
Yizhuo Li, Jinyan Zhao, Zhe Wang, Kun Zheng, Jie Zhang, Chuying Chen, Lingyan Wang, Genshui Wang, Xin Li, Yulong Zhao, Gang Niu, Wei Ren   +11 more
doaj   +2 more sources

Phase engineering of relaxor ferroelectricity in van der Waals crystal [PDF]

Nature Communications
Phase engineering of two-dimensional van der Waals materials offer a rich landscape to uncover the potential ferroelectric properties. The precisely controlling phases in these reduced dimensional materials with the unique atomic arrangement are crucial.
Tao Yang, Yinchang Ma, Dongxing Zheng, Weili Deng, Chen Liu, Maolin Chen, Kairan Mai, Xiang Lv, Xiaowen Zhang, Jingkai Xu, Baoyu Wang, Yan Li, Meng Tang, Guo Tian, Weiqing Yang, Xixiang Zhang   +15 more
doaj   +2 more sources

Relaxor behavior in rocksalt cation-ordered material induced by (anti)ferroelectric phase competition [PDF]

Nature Communications
Relaxor ferroelectrics are characterized by dispersion of the temperature-dependent dielectric constant with frequency and enhanced electromechanical coupling.
Yu Yun, Liyan Wu, Drew Behrendt, Hao Pan, Menglin Zhu, Michael Xu, Anthony J. Ruffino, John Carroll, Irina Baraban, Zishen Tian, Xianfei Xu, Dongfang Chen, Brendan M. Hanrahan, Lane W. Martin, James M. LeBeau, Andrew M. Rappe, Ilya Grinberg, Jonathan E. Spanier   +17 more
doaj   +2 more sources

Achieving Giant Piezoelectricity and High Property Uniformity Simultaneously in a Relaxor Ferroelectric Crystal Through Rare-Earth Element Doping [PDF]

Advanced Science, 2022
Zhuo Xu, Fei Li, Liao Qiao
exaly   +2 more sources

Ferroelectric polymers with improved performance

Physics of Complex Systems, 2022
This article offers a short overview of the unique properties of PVDF-based electroactive polymers and their applications. Ferroelectric materials are widely used in modern electronics.
Николай Дмитриевич Шишкин, Анна Александровна Гулякова   +1 more
doaj   +3 more sources

Giant dynamic electromechanical response via field driven pseudo-ergodicity in nonergodic relaxors

Nature Communications, 2023
Enhanced electromechanical response can commonly be found during the crossover from normal to relaxor ferroelectric state, making relaxors to be potential candidates for actuators.
He Qi, Tengfei Hu, Shiqing Deng, Hui Liu, Zhengqian Fu, Jun Chen   +5 more
doaj   +1 more source