Electronic energy band parameters of graphite and their dependence on pressure, temperature and acceptor concentration
1977
Abstract An analysis has been made of experimental data on the dependence of electronic properties of graphite on pressure and acceptor concentration, using the Slonczewski-Weiss dispersion relationship for the free carriers. It is shown that such experiments cannot be interpreted adequately without taking into account all of the band-overlap parameters in this theory. Previous workers had particularly neglected the influence of the parameter γ 3 , which trigonally warps the constant energy surfaces. The results presented will also be useful for interpreting new experiments in which either the band overlap parameters or the Fermi-energy are changed. A discussion of possible changes in band parameters with temperature is included.
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