Abstract
The results of studies of resistivity, thermopower, and the Hall phenomenon based on fine crystalline pyrolytic anisotropic graphite intercalated compounds (GICs) with bromine and iodine chloride in the temperature range of phase transformation in intercalate layers are presented. It is shown that the anomalous temperature dependences of resistivity, thermopower, and the Hall coefficient for intercalated compounds with bromine in the phase transformation temperature region are connected with a change in this temperature interval of charge that is transmitted from intercalate molecules to graphite layers. Based on obtained experimental data in terms of a simple two-dimensional electron structure model of GICs, the accommodation coefficient, charge carrier concentration, and Fermi energy for GICs with bromine and iodine chloride are estimated.
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