Magnetic and chemical ordering in the Heusler system Co2Mn1−xTixSn

Abstract
119Sn Mössbauer effect, magnetization, and X-ray diffraction measurements have been made on the series of Heusler alloys CO2Mn1−xTixSn (0 ≤ x ≤ 1). The Mössbauer measurements are used to obtain the distribution of hyperfine fields by the Fourier expansion method of Window, This distribution is discussed in terms of the state of chemical ordering of the alloys, as indicated by the X-ray measurements. The magnetization measurements are compared with previous results by Webster and Sobezak, and are used to estimate the magnetic hyperfine fields as predicted by the Jena–Geldart theory.

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