Optical Phonons inMixed Crystals
Authors:
- E. CarnallECE. Carnall
- 6 November 1967
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 19 (19) , 1120-1123
Abstract
The infrared reflection and transmission and Raman spectra of the mixed system reveal two LO and TO phonons at for any concentration. The local and gap mode frequencies follow as extrapolations of the mixed crystal system behavior. A "sum rule" pertaining to the mixed system optical phonons is proposed.
Keywords
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