INFLUENCE OF MG DOPING AND COMPOSITION ON THE LIGHT-INDUCED CHARGE TRANSPORT IN LINBO3

被引：65
|
作者：
SOMMERFELDT, R [1 ]
HOLTMANN, L [1 ]
KRATZIG, E [1 ]
GRABMAIER, BC [1 ]
机构：
[1] SIEMENS AG,ZENT FORSCH & ENTWICKLUNG,D-8000 MUNICH 83,FED REP GER
来源：
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 1988年 / 106卷 / 01期
关键词：
LITHIUM COMPOUNDS - Optical Properties - PHOTOCONDUCTIVITY;
D O I：
10.1002/pssa.2211060112
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Light-induced charge transport properties of LiNbO//3 crystals containing Mg dopants as well as Fe ions in different valence states were studied to obtain quantitative information on the influence of Mg. Also investigated were LiNbO//3:Fe crystals with different Li/Nb ratios. The experiments indicate that the photovoltaic effect is determined by the Fe**2** plus concentration only and depends weakly on the Li/Nb ratio or Mg doping. The photoconductivity is increased by Mg dopants, thus diminishing the light-induced refractive index changes.
引用
收藏
页码：89 / 98
页数：10
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