Micro-Raman analysis of synthetic air clathrates


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ana.macario [ at ] awi.de

Abstract

Raman spectroscopic measurements on synthetic air clathrates, prepared at different pressures and temperatures, are presented. The gas fractionation for clathrates formed at -2 and -20 degrees C is determined from the integrated vibron mode intensities of nitrogen and oxygen molecules. An increasing fractionation in favour of oxygen with increasing pressure is found. An asymmetric peak shape for the O-2 vibron mode was observed in air clathrates prepared at 300 bar and -2 degrees C. The asymmetry of the N-2 vibron mode in the same sample is much less pronounced.



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ISI/Scopus peer-reviewed
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Published
Eprint ID
531
Cite as
Chazallon, B. , Chamgagnon, B. , Panczer, G. , Pauer, F. , Klapproth, A. and Kuhs, W. F. (1998): Micro-Raman analysis of synthetic air clathrates , European Journal of Mineralogy, 10 (6), pp. 1125-1134 .


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