On the Magnetic Properties of Vanadium Sulfide and Selenide
1The Research Institute for Iron, Steel and Other Metals, Tohoku University
Received November 4, 1958
Abstract:
Magnetic, thermal and crystallographic properties of sulfide as well as selenide of vanadium with nickel arsenide structure were investigated experimentally. The antiferromagnetic Neel points for these compounds were found to be about 1040° and 163° K respectively. A correction for the atom core diamagnetism was applied to the observed susceptibilities; the inverse susceptibility decreased linearly with the fall of temperature. Based on this result, the Curie constant, C M , the spin quantum number, S and the asymptotic Curie temperature, θ, were obtained as 1.63, 2.9/2 -3000° for sulfide and 2.15, 3.2/2 and -2570° for selenide respectively. Anomalous heat absorptions at the magnetic transition in both compounds were 615 and 50 cal/mol respectively. Experimental results obtained are discussed briefly.
©1959 The Physical Society of Japan
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