Thermally stimulated depolarization current study on barium titanate single crystals
Source abstract
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, TiTi′−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.
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Research context
OpenAlex topics: Ferroelectric and Piezoelectric Materials · Acoustic Wave Resonator Technologies · Solid-state spectroscopy and crystallography
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
CAS Key Lab of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics 1 , Shanghai 200050, China
University of Chinese Academy of Sciences 2 , Beijing 100039, China
State Key Lab of New Ceramics and Fine Processing, Tsinghua University 3 , Beijing 100084, China
School of Engineering, RMIT University 4 , Melbourne, VIC 3001, Australia
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