RADIATIONLESS TRANSITIONS OF POINT IMPERFECTIONS IN SOLIDS

被引：35

作者：

BARTRAM, RH ^{[1
]}

机构：

[1] UNIV CONNECTICUT, INST MAT SCI, STORRS, CT 06269 USA

来源：

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 1990年 / 51卷 / 07期

关键词：

color centers; impurities; internal conversion; intersystem crossing; luminescence quenching; point defects; Radiationless transitions;

D O I：

10.1016/0022-3697(90)90141-2

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Radiationless transitions can be classified either as static processes which proceed from thermal equilibrium or dynamic processes which occur during rapid relaxation. Theoretical descriptions of both processes are surveyed and assessed, following discussion of physical principles. Cited examples of static processes include thermal ionization of F centers and thermal quenching of fluorescence of rare-earth and transition-metal impurities. Dynamic processes are exemplified by athermal fluorescence quenching in color centers, recombination-enhanced defect reactions in semiconductors and insulators, and intersystem crossing in transition-metal impurities. © 1990.

引用

页码：641 / 651

页数：11

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