Pyroelectric electron emission behaviors of congruent and stoichiometric lithium niobate single crystals

被引：9
作者：
Bourim, E
Kim, DW
Kin, VS
Moon, CW
Yoo, IK
机构：
[1] Samsung Adv Inst Technol, U Team, Suwon 440600, South Korea
[2] Voronezh State Univ, Dept Phys, Voronezh 394006, Russia
来源：
JOURNAL OF ELECTROCERAMICS | 2004年 / 13卷 / 1-3期
关键词：
pyroelectric; electron emission; plasma; lithium mobate;
D O I：
10.1007/s10832-004-5115-x
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Pyroelectric electron emission current measurements and current distribution collecting were performed on congruent and stoichiometric lithium niobate single crystals. Electron emission behaviors were found to be gap distance (crystal-detector) dependent. For small gaps, in both crystal compositions, emission was accompanied by a partial superficial domain inversion, triggered by surface plasma ignition. For large gaps (>2 mm) in congruent single crystals the emission was activated by a true pyroelectric effect.
引用
收藏
页码：293 / 297
页数：5
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