Local vibrational modes of carbon in GaP
- 1 August 1970
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 3 (8) , 1762-1766
- https://doi.org/10.1088/0022-3719/3/8/015
Abstract
Carbon is a common impurity, present as an acceptor, in GaP. The fundamental of the local vibrational mode of 12C in GaP has been identified at 606.2 cm-1 at 20 K and the identification has been confirmed by investigating the isotope shift in 4C-doped crystals. An earlier tentative identification of a gap mode of As in GaP at 270.0 cm-1 at 20 K has been confirmed.Keywords
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