Abstract
Raman scattering has been extensively used to investigate the lattice dynamics of graphite and GICs.1 Intercalant modes in GICs have however been observed with certainty2 only in C/Br2 and this is due to the fact that the measurement can be performed under resonance conditions. We present here Raman scattering measurements in stage 1 C/AsF5.3 The C-C vibration at 1638 cm−1 is resonantly enhanced in the blue-green region and has a pronounced distortion in the red region. Changing the excited surface from the c-face to a-face and using light polarized perpendicular to the graphite planes enables us to observe also the intercalant modes.
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References
M.S. Dresselhaus and G. Dresselhaus, in “Light Scattering in Solids, III”, edited by M. Cardona and G. Güntherodt ( Springer-Verlag, Berlin, 1982 ).
J.J. Song, D.D.L. Chung, P.C. Eklund and M.S. Dresselhaus, Solid State Commun. 20, 1111 (1976).
I. Ohana, Y. Yacoby, and D. Schmeltzer, to be published; I. Ohana, Y. Yacoby, and D. Davidov, Proceedings of the Baden-Baden Conference, Carbon’86,p. 460.
L.C. Hoskins and R.C. Lord, J. Chem. Phys. 46, 2402 (1967)
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Ohana, I., Yacoby, Y. (1986). Raman Scattering from Carbon and Intercalant Vibrations in Stage 1 C/AsF5 . In: Dresselhaus, M.S. (eds) Intercalation in Layered Materials. NATO ASI Series, vol 148. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-5556-5_29
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DOI: https://doi.org/10.1007/978-1-4757-5556-5_29
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