Photoacoustic Study of Chromium State in GaAs
- 1 January 1983
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 22 (S3)
- https://doi.org/10.7567/jjaps.22s3.202
Abstract
Photoacoustic (PA) spectra were measured at room temperature on Cr-doped GaAs with concentrations up to 2×1017 cm-3. Analyzing the spectra with the aid of the PA theory, the optical absorption coefficient was deduced for a singly-ionized Cr2+ state. We found that it increased non-linearly with increasing chromium content. This is due to the presence of the several chromium states such as neutral Cr3+ and doubly-ionized Cr+ states other than the Cr2+ state.Keywords
This publication has 0 references indexed in Scilit: