EXCITATION SPECTROSCOPY OF THE I-2 BOUND EXCITON AND THE EXCITONIC MOLECULE IN CDS .1. EXCITED-STATES OF THE I-2 BOUND EXCITON

被引：20

作者：

PULS, J

VOIGT, J

机构：

[1] Sektion Physik, Humboldt-Universität Zu Berlin

来源：

PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 1979年 / 94卷 / 01期

关键词：

D O I：

10.1002/pssb.2220940121

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Using a narrow band dye laser three excited states of the I2 bound exciton in CdS can be detected in the excitation spectrum of luminescence. Their behaviour at different excitation intensities is investigated giving essential conclusions to distinguish EM‐ and I2‐emission. From the corresponding lines in the transmission spectrum the oscillator strengths are estimated. The properties of the excited states refer to a deuteron‐like model of exciton weakly bound to the donor. Copyright © 1979 WILEY‐VCH Verlag GmbH & Co. KGaA

引用

页码：199 / 204

页数：6

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