FIELD-INDUCED ELECTRON-EMISSION OF CERAMIC AND SINGLE-CRYSTAL BARIUM-TITANATE IN THE VICINITY OF THE PHASE-TRANSITION TEMPERATURES

被引:11
|
作者
BIEDRZYCKI, K [1 ]
ABOURA, H [1 ]
LEBIHAN, R [1 ]
机构
[1] UNIV NANTES,FAC SCI & TECH,PHYS SURFACES LAB,F-44072 NANTES 03,FRANCE
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关键词
D O I
10.1002/pssa.2211400126
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Investigations of the electron emission of (Ba, Pb)TiO3 ceramics and BaTiO3 single crystals induced by bipolar sinusoidal and rectangular-shaped electric field or de electric field, in the vicinity of their phase transitions, are performed. The differences in the electron emission behaviour between (Ba, Pb)TiO3 ceramics and BaTiO3 single crystals covered with a strip-shaped electrode, on the one hand, and between BaTiO3 crystal samples with free emitting sample surface and emitting surface covered by a comb-shaped electrode, on the other hand, are evidenced. The mechanisms of this electron emission are discussed.
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页码:257 / 272
页数:16
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