Journal of the Physical Society of Japan
Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015
Edge Emission of Excitons in KI and RbI
Tetsusuke HayashiTokiko OhataShigeharu Koshino
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1977 Volume 42 Issue 5 Pages 1647-1649

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Abstract

The intensity of the edge emission in KI and RbI has been measured from 5 K to 100 K. The temperature dependence is interpreted in terms of a simple exciton decay model. Thermal quenching of the emission can be ascribed to the increase in the self-trapping probability of excitons. The edge emission is assumed to originate from a metastable free exciton state.

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