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- Title
Electron Emission from Barium Strontium Titanate Ceramics.
- Authors
Shutao Chen; Xianlin Dong; Shuxin Zheng; Ziqiu Zhu; Chuanxiang Tang
- Abstract
This paper focuses on understanding the influence of materials' properties on the ferroelectric electron emission. Ferroelectric ( x=1.0 and 0.8) and paraelectric ( x=0.67 and 0.5) compositions of barium strontium titanate (Ba xSr(1− x)TiO3) system were chosen for study based on their different ferroelectric and dielectric properties. Similar emission current waveforms were obtained from four compositions with negative triggering voltage applied to the rear electrode of the samples. It was difficult to explain the experimental results using the spontaneous polarization-switching model. The mechanism of electron emission from Ba xSr(1− x)TiO3 ceramics was ascertained to surface plasma emission.
- Subjects
ELECTRON emission; FERROELECTRICITY; BARIUM compounds; DIELECTRICS; CERAMIC materials
- Publication
Journal of the American Ceramic Society, 2006, Vol 89, Issue 7, p2118
- ISSN
0002-7820
- Publication type
Article
- DOI
10.1111/j.1551-2916.2006.01026.x