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Orientational phase transitions in C70: A Raman spectroscopic investigation

Chandrabhas, N and Jayaram, K and Muthu, DVS and Sood, AK and Seshadri, Ram and Rao, CNR (1993) Orientational phase transitions in C70: A Raman spectroscopic investigation. In: Physical Review B: Condensed Matter, 47 (16). pp. 10963-10966.

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Official URL: http://prb.aps.org/abstract/PRB/v47/i16/p10963_1


Raman investigations of C70 films in the 14-370-K range show significant changes across the orientational phase transitions around 270 and 330 K. Seven of the Raman modes of C70 soften smoothly across the transitions, the magnitude of the decrease in frequencies being in the range of 2-5 cm-1. Linewidths of the bands increase in the transition region over and above the anharmonic contributions.

Item Type: Journal Article
Publication: Physical Review B: Condensed Matter
Publisher: The American Physical Society
Additional Information: Copyright of this article belongs to The American Physical Society.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Division of Physical & Mathematical Sciences > Physics
Date Deposited: 18 Feb 2011 06:19
Last Modified: 18 Feb 2011 06:19
URI: http://eprints.iisc.ac.in/id/eprint/35659

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