Thermally stimulated depolarization current study on barium titanate single crystals

Wu, W, Liu, Z, Gu, Y, Yue, Z and Li, Y 2018, 'Thermally stimulated depolarization current study on barium titanate single crystals', AIP Advances, vol. 8, no. 4, pp. 1-6.


Document type: Journal Article
Collection: Journal Articles

Title Thermally stimulated depolarization current study on barium titanate single crystals
Author(s) Wu, W
Liu, Z
Gu, Y
Yue, Z
Li, Y
Year 2018
Journal name AIP Advances
Volume number 8
Issue number 4
Start page 1
End page 6
Total pages 6
Publisher American Institute of Physics
Abstract Thermally stimulated depolarization current (TSDC) measurements were applied to investigate BaTiO3 single crystals with <100>, <110>, and <111> orientations, and annealed under different atmospheres, respectively. The TSDC peaks related to ferroelectric domain, ferroelectric-paraelectric phase transition, (Ti′Ti−VÖ) dipole relaxation and oxygen vacancy migration were observed from the TSDC spectra. The formation of oxygen vacancy clusters in BaTiO3 single crystals leads to a high dipole activation energy. The <111> crystalline face of BaTiO3 is more stable under external field than others.
Subject Quantum Physics not elsewhere classified
Electrical and Electronic Engineering not elsewhere classified
Optical Physics not elsewhere classified
Keyword(s) multilayer ceramic capacitors
dielectric-relaxation
mechanism
degradation
electrodes
DOI - identifier 10.1063/1.5025501
Copyright notice © 2018 Author(s). Creative Commons (CC BY) License. (http://creativecommons.org/licenses/by/4.0/).
ISSN 2158-3226
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