Phonon Spectrum of Graphite
- 1 January 1965
- journal article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 42 (1) , 357-364
- https://doi.org/10.1063/1.1695699
Abstract
The phonon spectrum of reactor grade graphite is computed by means of the essentially exact root sampling technique for a sampling 47 788 points in an irreducible segment of the Brillouin zone. Measurements of the specific heat (over the range 100°—1000°K) are used to determine the force constants, resulting in good agreement of the calculated phonon spectrum, and neutron scattering measurements.Keywords
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