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Anharmonic resonant modes in perfect crystals

โœ Scribed by S. Takeno; A.J. Sievers


Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
393 KB
Volume
67
Category
Article
ISSN
0038-1098

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The frequencies and linewidths of five Raman-active modes in a GaS 0.75 Se 0.25 layered crystal have been measured in the 10-300 K temperature range and in the 10-380 cm --1 frequency region. We observed softening and broadening of the optical phonon lines with increasing temperature. The analysis o