Structural and impedance spectroscopic study of Zn-substituted Ba5CaTi2Nb8O30 tetragonal tungsten bronze ceramics

A Bendahhou, P Marchet, S El Barkany… - Journal of Alloys and …, 2021 - Elsevier
Zn-doped tungsten bronze compounds derived from Ba 5 CaTi 2 Nb 8 O 30, with Ba 5 CaTi
2− x Zn x Nb 8 O 30 composition (x= 0; 0.04 and 0.08) were synthesized by the conventional …

[HTML][HTML] Oxygen-vacancy-related relaxation and conduction behavior in (Pb1-xBax)(Zr0. 95Ti0. 05) O3 ceramics

TF Zhang, XG Tang, QX Liu, SG Lu, YP Jiang… - AIP Advances, 2014 - pubs.aip.org
(Pb 1-x Ba x)(Zr 0.95 Ti 0.05) O 3 (x= 0, 0.025, 0.05, 0.075 and 0.1) ceramics were prepared
via a solid-state reaction route. Low-frequency (20∼ 2× 10 7 Hz) dielectric properties were …

[HTML][HTML] Oxygen-vacancy-related dielectric relaxation behaviours and impedance spectroscopy of Bi (Mg1/2Ti1/2) O3 modified BaTiO3 ferroelectric ceramics

MD Li, XG Tang, SM Zeng, YP Jiang, QX Liu… - Journal of …, 2018 - Elsevier
Abstract Lead-free ferroelectric ceramics (1-x) BaTiO 3–xBi (Mg 1/2 Ti 1/2) O 3 (x= 0.0–0.07)
were synthesized by conventional solid state reaction method and the correlation of …

Achieving ultrahigh energy storage density and energy efficiency simultaneously in sodium niobate-based lead-free dielectric capacitors via microstructure modulation

M Zhou, R Liang, Z Zhou, X Dong - Inorganic Chemistry Frontiers, 2019 - pubs.rsc.org
Recently, dielectric capacitors have drawn much attention from researchers and engineers
due to their ultrahigh power density, ultrafast charge–discharge rate, and good temperature …

Variation in the dielectric and magnetic characteristics of multiferroic LuFeO3 as a result of cobalt substitution at Fe sites

O Polat, M Coskun, Y Yildirim, P Roupcova… - Journal of Alloys and …, 2023 - Elsevier
Due to its electrical, magnetic, and optical characteristics, LuFeO 3 (LFO) has caught the
scientific community's interest. In this study, the powders of LFO, LuFe 0.95 Co 0.05 O 3, and …

Origin of high-temperature relaxor-like behavior in CaCu3Ti4O12

CC Wang, MN Zhang, KB Xu, GJ Wang - Journal of Applied Physics, 2012 - pubs.aip.org
The relaxor-like behavior in CaCu 3 Ti 4 O 12 was investigated in details. The dielectric
anomaly was found to be an extrinsic phenomenon related to oxygen vacancy. Annealing …

Electrical and ferroelectric properties of undoped and La-doped PZT (52/48) electroceramics synthesized by sol–gel method

M Prabu, IBS Banu, S Gobalakrishnan… - Journal of alloys and …, 2013 - Elsevier
The perovskite (ABO3) Pb1− xLax (Zr0. 52Ti0. 48) O3 (where, x= 0, 0.05, 0.10) were
prepared by a sol–gel route. The X-ray powder diffraction studies of the prepared powders …

Compositional induced dielectric relaxation and electrical conduction behavior of samarium modified bismuth sodium titanate ceramic

S Lenka, T Badapanda, P Nayak, S Sarangi… - Ceramics …, 2021 - Elsevier
The present manuscript analyzes the dielectric relaxation and conduction behavior of
samarium modified sodium bismuth titanate ((Bi (1-x) Sm x) 0.5 Na 0.5 TiO 3) ceramic …

High piezoelectric response and polymorphic phase region in the lead-free piezoelectric BaTiO 3–CaTiO 3–BaSnO 3 ternary system

W Janbua, T Bongkarn, T Kolodiazhnyi… - RSC Advances, 2017 - pubs.rsc.org
This study attempted to replace Pb-based piezoelectric ceramics with a non-toxic lead-free
(Ba, Ca)(Ti, Sn) O3 substitute, according to current environmental standards. The design of …