Colossal permittivity and dielectric relaxations in Tl+ Nb co-doped TiO2 ceramics

B Guo, P Liu, X Cui, Y Song - Ceramics International, 2018 - Elsevier
A series of Tl+ Nb co-doped TiO 2 ceramics ((Tl 0.5 Nb 0.5) x% Ti 1-x% O 2 0.5≤ x≤ 10.0)
were prepared by a solid-state reaction method under N 2 atmosphere. The evolution of …

Influence of sintering conditions and CuO loss on dielectric properties of CaCu3Ti4O12 ceramics

J Zhao, H Zhao, Z Zhu - Materials Research Bulletin, 2019 - Elsevier
Phase structures, morphology and dielectric properties of prepared CaCu 3 Ti 4 O 12
ceramics were investigated to better understand the origin of giant dielectric constant in …

Effect of semiconductive grain and microstructure on the dielectric properties of CaCu3Ti4O12 ceramics with Sr2+ doping

X Huang, H Zhang, M Wei, Y Lai, J Li - Journal of Alloys and Compounds, 2017 - Elsevier
Compositions based on Ca 1− x Sr x Cu 3 Ti 4 O 12 (x= 0, 0.05, 0.1, 0.2) were prepared via
the conventional solid state synthesis methods, influence of semiconductive grain and …

The lowered dielectric loss tangent and grain boundary effects in fluorine-doped calcium copper titanate ceramics

X Huang, H Zhang, Y Lai, J Li - Applied Physics A, 2017 - Springer
The effects of F− concentration on the dielectric properties and electric modulus of CaCu 3 Ti
4 O 12− x F x ceramics (0≦ x≦ 0.8) were investigated in detail. Proper amount of F …

Investigation of structural, electrical, and magnetic variations of Ni-Zn-Co ferrites by substituting rare earth Ho3+ for high-frequency applications

KL Routray, S Saha - Physica Scripta, 2024 - iopscience.iop.org
The investigation of structural, magnetic, and electrical properties of Ni 0.6 Zn 0.3 Co 0.1 Ho
x Fe 2− x O 4 (NZCHF, 0≤ x≤ 0.2) ferrites, synthesized through the sol–gel autocombustion …

Enhancement of breakdown electric field and DC bias of (In0. 5Nb0. 5) 0.005 (Ti1-xZrx) 0.995 O2 colossal permittivity ceramics

B Guo, P Liu, X Cui, Y Song - Journal of Alloys and Compounds, 2018 - Elsevier
Abstract In, Nb, and Zr co-doped TiO 2 ((In 0.5 Nb 0.5) 0.005 (Ti 1-x Zr x) 0.995 O 2)(x= 0–
0.80) ceramics were prepared by a solid-state reaction method, and their structures …

Influence of micro-and nanoparticles of zirconium oxides on the dielectric properties of CaCu3Ti4O12

R Espinoza-González, E Mosquera - Ceramics International, 2017 - Elsevier
This work presents the results of Zr oxide doping of a CaCu 3 Ti 4 O 12 (CCTO) ceramic
prepared by a solid-state reaction. Different stoichiometries (ZrO and ZrO 2) and grain sizes …

Polarization at the compositional interface in Nb-doped metastable TiO2-SnO2 solid solutions

T Teranishi, J Satake, S Kondo… - Japanese Journal of …, 2024 - iopscience.iop.org
Polarization architecture was incorporated into metastable Nb-doped TiO 2-SnO 2 to deliver
electron accumulation at the localized TiO 2-SnO 2 compositionally fluctuating interface …

Effect of sintering temperature and Cu-rich secondary phase on dielectric properties of microwave processed CaCu3Ti4O12 ceramics

B Samanta, P Kumar, C Prakash - Ferroelectrics, 2017 - Taylor & Francis
Effect of sintering at different temperature on dielectric properties of microwave processed
CaCu3Ti4O12 (CCTO) ceramics have been investigated over the frequency range from 100 …

Influence of Lu2O3 on electrical and microstructural properties of CaCu3Ti4O12 ceramics

D Xu, B Wang, Y Lin, L Jiao, H Yuan, G Zhao… - Physica B: Condensed …, 2012 - Elsevier
In this work, the influence of Lu2O3 doped on the dielectric and electrical properties of
CaCu3Ti4O12 was reported. Lu2O3-doped CCTO was prepared by a conventional solid …