BLUE AND VIOLET EMISSION OF PBCL2

被引：24
|
作者：
NIKL, M [1 ]
BIRCH, DJS [1 ]
POLAK, K [1 ]
机构：
[1] UNIV STRATHCLYDE, DEPT PHYS & APPL PHYS, GLASGOW G4 0NG, SCOTLAND
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 1991年 / 165卷 / 02期
关键词：
D O I：
10.1002/pssb.2221650232
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The blue and violet emission of undoped PbCl2 is investigated in the temperature region from 4.2 up to 200 or 60 K, respectively. Two subbands are resolved in the blue emission and the energy transfer between them is revealed at temperatures above 80 K. The origin of blue emission and the influence of oxygen are discussed. The decay of violet emission is reported and the activation energy of its thermal quenching is calculated from the lifetime-temperature dependence. The influence of diffusion of bromide ions into PbCl2 surface layer on the violet emission is tested.
引用
收藏
页码：611 / 621
页数：11
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