ELECTRON-EMISSION FROM LINBO3 CRYSTALS WITH DOMAINS OF INVERTED POLARIZATION

被引：7

作者：

KUGEL, VD ^{[1
]}

ROSENMAN, G ^{[1
]}

SHUR, D ^{[1
]}

机构：

[1] TEL AVIV UNIV,DEPT ELECT ENGN PHYS ELECTR,IL-69978 TEL AVIV,ISRAEL

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 1995年 / 28卷 / 11期

关键词：

D O I：

10.1088/0022-3727/28/11/021

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Pyroelectrically induced electron emission (EE) is studied from LiNbO3 crystals with a layered domain structure fabricated under various diffusion treatments. It is observed that the appearance of a thin oppositely polarized surface layer at the +C-surface suppresses EE. For bidomain configuration with equal thicknesses of the inverted and the original domains EE occurs from the boundary between two domains. It is proposed that a potential barrier for emitted electrons depends strongly on the spontaneous polarization direction at a free polar surface,

引用

页码：2360 / 2364

页数：5

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