Results 71 to 80 of about 344 (153)

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

Lead-Free BNT–BT0.08/CoFe2O4 Core–Shell Nanostructures with Potential Multifunctional Applications

, 2020
© 2020 by the authors.Herein we report on novel multiferroic core–shell nanostructures of cobalt ferrite (CoFe2O4)–bismuth, sodium titanate doped with barium titanate (BNT–BT0.08), prepared by a two–step wet chemical procedure, using the sol–gel ...
Cernea, Marin, Paul Ganea, Surdu, Vasile Adrian, Carmen Galassi, Marin Cernea, Bogdan Stefan Vasile, Marwa Hattab, Greculeasa, Simona Gabriela, Vasile, Bogdan Stefan, Radu, Roxana, Harvey Amorín, Hattab, Marwa, Galassi, Carmen, Ganea, Paul, Amorín, Harvey, Trusca, Roxana, Roxana Radu, Simona Gabriela Greculeasa, Vasile Adrian Surdu, Roxana Trusca   +19 more
core   +1 more source

Structural, dielectric, magnetic and magnetoelectric properties of (x) Bi0.5Na0.5TiO3-(1-x) Ni0.2Co0.8Fe2O4 composites

, 2016
Magnetoelectric composites (x) Bi0.5Na0.5TiO3-(1 - x) Ni0.2Co0.8Fe2O4 (x = 0.0, 0.30, 0.40, 0.50, 0.60, 0.70, 0.80, and 1.0) were synthesized using a solid-state reaction method.
-, Manjusha, Kotnala, R. K., Kumar, Yogesh, Shah, Jyoti, Yadav, K. L.   +4 more
core  

Strain mediated magnetoelectric coupling induced in (x) Bi0.5Na0.5TiO3-(1-x) MgFe2O4 composites

, 2017
Particulate composites of ferroelectric and ferrite phases having general formula (x) Bi0.5Na0.5TiO3-(1-x) MgFe2O4 (x= 0, 0.5, 0.6, 0.7, 0.8 and 1.0), equivalently denoted as (x) BNT-(1-x) MgFO were synthesized by solid state reaction method.
-, Manjusha, Kotnala, R. K., Shah, Jyoti, Adhlakha, Nidhi, Yadav, K. L.   +4 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

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
core  

The influence of thermo-electromechanical coupling on the performance of lead-free BNT-PDMS piezoelectric composites

In recent times, there have been notable advancements in haptic technology, particularly in screens found on mobile phones, laptops, light-emitting diode (LED) screens, and control panels.
Buroni Cuneo, Federico Carlos, Rodríguez de Tembleque Solano, Luis, Melnik, Roderick, Akshayveer, Sáez Pérez, Andrés, Singh, Sundeep   +5 more
core   +1 more source

Structure, electrical properties and temperature characteristics of Bi0.5Na0.5TiO3-Bi0.5K0.5TiO3-Bi0.5Li0.5TiO3 lead-free piezoelectric ceramics

, 2008
(1-x-y)Bi0.5Na0.5TiO3-xBi(0.5)K(0.5)TiO(3)- yBi(0.5)Li(0.5)TiO(3) lead-free piezoelectric ceramics have been prepared by an ordinary sintering technique, and their structure, electrical properties, and temperature characteristics have been studied ...
Lin, D, Zheng, Q, Kwok, KW, Chenggang Xu, Qiaoji Zheng, Dunmin Lin, K. W. Kwok, Xu, C   +7 more
core   +1 more source