Results 71 to 80 of about 15,698 (144)

Excellent Energy-Storage Performance in BNT-SST-LMN Lead-Free Relaxor Ferroelectric Ceramics with High Electrical Homogeneity

, 2022
Relaxor ferroelectric materials have received increasing attention in pulse power devices due to the high power density and rapid charge–discharge capability.
Ziyue Ma (14215558), Ye Zhao (39959), Chunxiao Lu (9154671), Yong Li (15029), Jianye Zhu (14215561), Qian Su (3112242), Ningning Sun (5727389), Pei Han (500548), Xihong Hao (1421977)   +8 more
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Influence of secondary phases on ferroelectric properties of Bi0.5Na0.5TiO3 ceramics [PDF]

, 2017
The effects of secondary phases on ferroelectric properties of Bi0.5Na0.5TiO3 (BNT) have been studied. Ceramic powders were prepared by solid state reaction employing different sintering temperatures and characterized by X-ray diffraction (XRD), Scanning
Ramajo, Leandro Alfredo, Castro, Miriam Susana, Prado Espinosa, Fabiola Andrea   +2 more
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Strongly polarizable nanodomains enable excellent energy storage performance at moderate electric fields in lead-free Bi0.5Na0.5TiO3-based ceramics

Journal of Advanced Ceramics
The simultaneous achievement of high recoverable energy storage density (Wrec) and high efficiency (η) under moderate electric fields remains a critical challenge for dielectric ceramic capacitors in modern electronic systems, despite their ultrahigh ...
Wanjin Li, Pu Mao, Xinyang Zhao, Ting Wang, Tianyu Li, Yahui Tian, Zhiyong Liu, Bing Xie, Kun Guo, Jinghui Gao   +9 more
doaj   +1 more source

High-density perovskite oxide ceramics with enhanced proton stopping power and gamma-ray shielding efficiency

Chemical Physics Impact
In response to the growing demand for environmentally friendly radiation shielding materials, perovskite oxide ceramics emerge as a significant alternative to conventional radiation shielding solutions.
Rahman I. Mahdi, K.A. Mahmoud, Nabil Janan Al-Bahnam, M.I. Sayyed, Kawa M. Kaky, Abed Jawad Kadhim, Yasser Maghrbi   +6 more
doaj   +1 more source

Ultrahigh electrostrain with exceptional temperature stability in BNT-based ceramics via synergistic regulation of critical phase and domain engineering

Journal of Advanced Ceramics
Bismuth sodium titanate-based (Bi0.5Na0.5TiO3, BNT) lead-free piezoelectric ceramics exhibit significant potential for precision actuation because of their large electrostrain.
Feng Zhang, Yaodong Yang, Jianting Li, Xiancheng Zhang, Junjie Li, Yimeng Tang, Shuo Qu, Yang Bai, Wei-Feng Rao   +8 more
doaj   +1 more source

High energy storage performance in the Bi0.5Na0.5TiO3–BaTiO3–Nd(Mg1/2Hf1/2)O3 ternary system with multiscale polymorphic domains and local heterogeneous structure

Journal of Advanced Ceramics
Lead-free dielectric relaxor ferroelectric (RFE) ceramics are one of the promising materials for dielectric energy storage applications. However, the contradiction between high polarization and low hysteresis leads to interior energy storage performance,
Changbai Long, Ziqian Su, Anwei Xu, Fenglong Li, Yang Li, Wei Ren, Haijun Wu, Xiangdong Ding, Laijun Liu   +8 more
doaj   +1 more source

High Energy Storage Performance and Large Electrocaloric Response in Bi0.5Na0.5TiO3-Ba(Zr0.2Ti0.8)O3Thin Films

, 2022
With regard to the global energy crisis and environmental pollution, ferroelectric thin films with unique polarization behavior have garnered considerable attention for energy storage and electrocaloric refrigeration.
Kun Zhu (447919), Jiwei Zhai (3134232), Guanglong Ge (11327324), Yanxia Li (436765), Jin Qian (35219), Bo Shen (419737), Zhenxiang Cheng (1901332), Guohui Li (105239), Yang Liu (4829), Fei Yan (128878), Cheng Shi (3950261)   +10 more
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Efecto del dopaje con Fe3+ en Bi0.5Na0.5TiO3 sinterizado a baja temperatura

, 2023
Piezoelectric ceramics of composition Pb[TixZr1-x]O3 (PZT) are widely used because of their excellent properties. However, they are highly polluting, due to their lead content.
Bolarín Miró, Ana María, Sánchez de Jesús, Félix, Cortés Escobedo, Claudia Alicia, Esquivel Arias, Luis Alberto, Betancourt Cantera, Luis Gerardo   +4 more
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Tetragonal Distortion of a BaTiO3/Bi0.5Na0.5TiO3 Nanocomposite Responsible for Anomalous Piezoelectric and Ferroelectric Behaviors

Ferroelectric mesocrystalline nanocomposites are functional materials with improved ferroelectricity via lattice strain engineering. In this study, X-ray diffraction (XRD) and soft X-ray absorption spectroscopy (XAS) are performed to determine the ...
Hosono, Eiji, 1013511, Zhang, Wenxiong, 1013512, 1013513, 1013514, Miyawaki, Jun, Jun, Miyawaki, Feng, Qi, Asakura, Daisuke, Harada, Yoshihisa, 1013515, 1013516, 1013517   +13 more
core  

Sintering of large-sized and near-stoichiometric BNT ceramics with enhanced dielectric and electrostrictive properties

Sintering for large-sized, stoichiometric Bi0.5Na0.5TiO3 (BNT) ceramics is of great challenge due to the loss of volatile Bi/Na at A-site of perovskite structure.
Guo, Huilu, Zhu, Minmin, Du, Zehui, Zhao, Yida   +3 more
core   +1 more source