OFF-NORMAL INCIDENCE PIEZOREFLECTIVITY OF SRF2 AND BAF2 IN THE CORE EXCITON REGION

被引：1

作者：

YURI, M

SATO, S

AIURA, Y

YAMADA, A

KATO, H

FUKUTANI, H

机构：

[1] NATL LAB HIGH ENERGY PHYS,PHOTON FACTORY,IBARAKI 305,JAPAN

[2] UNIV TSUKUBA,INST PHYS,TSUKUBA,IBARAKI 305,JAPAN

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1992年 / 61卷 / 07期

关键词：

ALKALINE EARTHFLUORIDES; CORE EXITON; STRESS EFFECT; DEFORMATION POTENTIAL; LOCALIZED EXCITATION MODEL;

D O I：

10.1143/JPSJ.61.2557

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Off-normal incidence piezoreflectivities of SrF2 and BaF2 in the 4p and 5p core exciton regions have been measured. The cubic, tetragonal and trigonal deformation potentials are determined. The results are interpreted by the localized excitation model; signs and magnitudes of the deformation potentials of the core excitons, as well as their energies and intensities. Slater-Condon parameters, and Coulomb and exchange interactions between electrons and holes are reasonably determined.

引用

页码：2557 / 2568

页数：12

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