Dielectric and optical properties, high temperature conduction, and relaxation behavior of donor-element modified NBST material

F Chaou, I Jalafi, A Bendahhou, S El Barkany… - Materials Chemistry and …, 2023 - Elsevier
Abstract The relaxor ferroelectrics (Na 0.33 Bi 0.33 Sr 0.33)(Ti 1-x W 0.666 x) O 3, where
0%≤ x≤ 7%(NBST+ 0W, NBST+ 3W, NBST+ 5W, and NBST+ 7W), were prepared using …

Constructing novel SrTiO3-based composite ceramics with high energy storage performance under moderate electric field

C Wu, Y Pu, X Lu, Y Ning, B Wang, L Zhang… - Journal of Power …, 2024 - Elsevier
With the awakening of human environmental awareness, the research of lead-free dielectric
ceramics is imperative. In this paper, an innovative tactic is proposed to improve the …

(1-x)(Na₀. ₅Bi₀. ₅) TiO₃-xCaTiO₃ ceramics: Investigating structural and microstructural features for enhanced dielectric properties

M Mesrar, H Majdoubi, Y Le - Heliyon, 2024 - cell.com
x)(Na₀. ₅Bi₀. ₅) TiO₃-xCaTiO₃ Lead-free piezoelectric systems, positioned near the
morphotropic phase boundary, were synthesized for varying compositions (x= 0.0, 0.05 …

Co-regulation of phase-domain structure in Bi0. 5Na0. 5TiO3-based ferroelectrics to optimize energy storage properties

X Chen, Y Pu, B Fan, C Zhang, W Xiao, B Yu… - Ceramics …, 2023 - Elsevier
Sodium bismuth titanate (BNT)-based dielectric capacitors with excellent energy storage
performance play an important role in electronics industry.(Sr 1.05 Bi 0.3) ScO 3 (SBS) is …

Reducing leakage current and enhancing dielectric properties of isovalent-substituted lead-free NBT perovskite

F Chaou, I Jalafi, A Chrir, K Chourti, A Bendahhou… - Ceramics …, 2024 - Elsevier
The influence of isovalent substitution at B-site by Ge 4+ on the dielectric constant and
dielectric losses of (Na 0.5 Bi 0.5) TiO 3 has been experimentally investigated. The …

Microstructural and high-temperature dielectric, piezoelectric and complex impedance spectroscopic properties of K0. 5Bi0. 5TiO3 modified NBT-BT lead-free …

M Mesrar, A Elbasset, NS Echatoui, F Abdi, T Lamcharfi - Heliyon, 2023 - cell.com
Abstract Solid solutions (1-xy)(Na 0.5 Bi 0.5) TiO 3-xBaTiO 3-y (K 0.5 Bi 0.5) TiO 3 with (x
(mol.%)= 0, 7 and 100); y (mol.%)= 0, 20 and 100) compositions have been prepared by a …

Dielectric relaxation and electrical conductivity property correlation in Gd-doped BBTO Aurivillius ceramics

KC Sekhar, T Patri, AM Tighezza, DS Saini, P Rosaiah… - Applied Physics A, 2024 - Springer
Gd ion-substituted barium bismuth titanate (BaBi4Ti4O15; BBTO) Aurivillius ceramics were
synthesized to understand the preliminary impact through the structural, optical, frequency …

Optimizing electrical performance of low hysteresis Sr0. 7Bi0. 2TiO3 energy storage ceramic

J Chen, P Zhao, F Si, Y Li, S Zhang, Z Fang… - Ceramics International, 2024 - Elsevier
Dielectric capacitors with rapid discharge rates and high power density are the basis for
advanced pulsed power systems. Sr 0.7 Bi 0.2 TiO 3 (SBT) is expected to be used in energy …

Large electrocaloric effect and wide working area in the transition from ferroelectric to nanodomains

H Feng, M Hao, G Wu, Y Zheng, L Yang… - Journal of the …, 2024 - Wiley Online Library
A large adiabatic temperature change along with a wide operating temperature region is
usually required for the electrocaloric materials to fulfill their refrigeration function. In …

Exploration of structural, relaxor behavior and energy storage performance of Bi (Mg2/3Ta1/3) O3 modified BaTiO3

S Sahoo, T Badapanda, D Kumar, SK Rout… - Journal of Molecular …, 2024 - Elsevier
Abstract The effect of Bi (Mg 2/3 Ta 1/3) O 3 (BMT) on the structural, dielectric, and
ferroelectric performance of BaTiO 3 (BT) has been discussed in the manuscript. The (1-x) …