Elastic constants of CH sub(4) by Brillouin spectroscopy

Single crystals of methane were grown and cooled without strain within the range of 90 K to 15.5 K. The x-ray Laue diffraction technique was used to determine the crystal orientations. The technique of Brillouin spectroscopy was used to determine temperature dependence of the adiabatic elastic const...

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Bibliographic Details
Published inJournal of low temperature physics Vol. 111; no. 3-4; pp. 717 - 722
Main Authors Grigoriantz, E, Clouter, M J
Format Journal Article
LanguageEnglish
Published 01.05.1998
Subjects
Cooling
Crystal growth
Crystal orientation
Elasticity
Methane
Spectroscopy
X ray crystallography
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Summary:Single crystals of methane were grown and cooled without strain within the range of 90 K to 15.5 K. The x-ray Laue diffraction technique was used to determine the crystal orientations. The technique of Brillouin spectroscopy was used to determine temperature dependence of the adiabatic elastic constants of the orientationally disordered phase and partially ordered phase of CH sub(4).
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ISSN:0022-2291