Magnetic Susceptibilities of Metallic V2O3 Single Crystals

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Abstract
The magnetic susceptibilities of single‐crystal V2O3 have been measured by the Faraday method along and perpendicular to the trigonal axis between 300° and 700°K. Both χ‖ and χ⊥ have a high‐temperature transition, as was expected, which occurs over a range of temperature from 450° to 550°K. An approximate fit of the data can be obtained with a Curie‐Weiss law including a temperature‐independent term with one set of parameters below 400°K and a different set above 550°K. It is found that the reciprocal susceptibility curve over the entire temperature range is at least cubic in T , indicating a rather complicated temperature dependence for the density of states function in the band approximation.