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Rayleigh wing scattering in disordered sodium nitrate
Author(s) -
Neumann G.,
Vogt H.
Publication year - 1978
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220850119
Subject(s) - rayleigh scattering , sodium nitrate , scattering , raman scattering , phase (matter) , materials science , melting point , wing , ion , sodium , raman spectroscopy , condensed matter physics , physics , thermodynamics , optics , quantum mechanics , composite material , metallurgy
The temperature dependence of the Raman spectrum of NaNO 3 is measured with special emphasis on those scattering configurations neglected in previous works. A Rayleigh wing of exponential lineshape is found arising from the increasing mobility of the NO 3 − ions in approaching the order—disorder phase transition and the nearby melting point.
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