Infrared absorption spectra in bulk Fe-doped InP
- 12 February 1990
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 56 (7) , 638-640
- https://doi.org/10.1063/1.102722
Abstract
We have observed that the absorption spectra in bulk Fe-doped indium phosphide differ considerably from those recorded on undoped and n-type samples. In the former case it was seen that the absorption edge presents a tail whose shape depends on the concentration of iron atoms incorporated into the matrix. Based on this phenomenon, we present a new nondestructive method which can be successfully employed to measure the iron concentration in semi-insulating InP.Keywords
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