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Pyrite (FeS2) single crystals have been prepared by chemical vapor transport from the elements, using additional phosphorus as a possible dopant source. Hall as well as thermoprobe measurements clearly indicated p-type conduction. Carrier concentrations of between 1 and 8×1018 cm−3 and Hall mobilities of 0.42–0.76 cm2/V s were deduced.
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Blenk et al. (1993) studied this question.
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