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CALCULATION OF THE RAMAN FREQUENCIES AS A FUNCTION OF TEMPERATURE IN PHASE III OF NH4I
Date
2010-03-30
Author
Kavruk, D.
Yurtseven, Hasan Hamit
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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We study here the temperature dependence of the Raman frequencies for the overtone 2 nu(6) of the librational mode nu(6) in phase III of NH4I. By using the experimental infrared frequencies of the 2 nu(6) mode, we predict the Raman frequencies of this overtone 2 nu(6) mode as a function of temperature at atmospheric pressure in phase III of NH4I. Our calculations indicate that the Raman frequencies of 2 nu(6) exhibit anomalous behavior at around 110 K (P = 0) in phase III of NH4I, as observed experimentally.
Subject Keywords
Statistical and Nonlinear Physics
,
Condensed Matter Physics
URI
https://hdl.handle.net/11511/34508
Journal
MODERN PHYSICS LETTERS B
DOI
https://doi.org/10.1142/s0217984910022792
Collections
Department of Physics, Article