DEFORMATION POTENTIALS OF CDTE EPILAYERS FROM PIEZO AND WAVELENGTH MODULATION REFLECTIVITY SPECTRA ANALYSIS

被引：12

作者：

ALLEGRE, J

GIL, B

CALATAYUD, J

MATHIEU, H

机构：

[1] Groupe d'Etude des Semiconducteurs, USTL, F-34060 Montpellier Cedex, Place E. Bataillon

来源：

JOURNAL OF CRYSTAL GROWTH | 1990年 / 101卷 / 1-4期

关键词：

D O I：

10.1016/0022-0248(90)91045-R

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

We present investigations by means of differential spectroscopy on strained epilayers of CdTe 〈001〉 grown on Cd0.96Zn0.04Te substrate and 〈111〉 grown on GaAs substrate. While wavelength modulation is not selective, piezomodulation quenches the heavy-hole-related structures of reflectivity of CdTe epilayers and enhances the light-hole-related ones. This fact depends on deformation potentials and we can deduce from spectra analysis the following values: b = -0.99 eV and d = -2.76 eV using the hydrostatic potential value a = -2.74 eV. © 1989.

引用

页码：603 / 607

页数：5

共 9 条

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