Infrared spectroscopy on the fullerene C 70  under pressure | Zendy

Thirunavukkuarasu K. | Zendy; Kuntscher C. A. | Zendy; Borondics F. | Zendy; Klupp G. | Zendy; Kamarás K. | Zendy

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Infrared spectroscopy on the fullerene C 70 under pressure

Author(s) -

Thirunavukkuarasu K.,

Kuntscher C. A.,

Borondics F.,

Klupp G.,

Kamarás K.

Publication year - 2008

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.200879630

Subject(s) - fullerene , anomaly (physics) , infrared , infrared spectroscopy , spectroscopy , molecule , chemistry , range (aeronautics) , materials science , condensed matter physics , physics , optics , organic chemistry , quantum mechanics , composite material

We present pressure‐dependent infrared transmittance measurements on fullerene C 70 at room temperature in the pressure range up to 4 GPa. The vibrational modes of C 70 exhibit a nearly linear pressure dependence with a sluggish anomaly at around 0.8 GPa. This anomaly could be attributed to the change in the orientational ordering of the C 70 molecules. The sluggish character of the transition could be either due to the continuous change of the orientational order or the coexistence of two phases in the solid C 70 . (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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