D. M. Finlayson, J. Llewellyn, T. Smith
Jul 1, 1959
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Abstract
The magnetic susceptibility of stoichiometric iron ditelluride has been measured between 15° and 100°K. The material appears to be antiferromagnetic with a Neel temperature at about 85°K. The curve is anomalous in that the susceptibility at 15°K is greater than that at the Neel temperature. This behaviour can be explained by a simple model of an antiferromagnetic containing some non-magnetic ions, provided that the concentration of the latter changes as a result of the ordering process. The susceptibility of samples of FeTe1.95 and FeTe2.10 is also given.