HIGH-TEMPERATURE PHOTOREFRACTIVE EFFECTS IN LINBO3FE

被引：26

作者：

CARRASCOSA, M

ARIZMENDI, L

机构：

[1] Departamento de Física de Materiales C-IV, Universidad Autónoma de Madrid, Cantoblanco

来源：

JOURNAL OF APPLIED PHYSICS | 1993年 / 73卷 / 06期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1063/1.353043

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Photorefractive effect has been measured in LiNbO3:Fe at high temperature in the range 180-300-degrees-C. At temperatures higher than 230-degrees-C only transient effects can be observed. The kinetics of the diffraction efficiency is explained in terms of two kinds of mobile charges; electrons and protons. From the analysis of the final decay of the curves, an activation energy of 1.33+/-0.02 eV is obtained for the diffusion of protons in lithium niobate.

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页码：2709 / 2713

页数：5

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