Mössbauer study of the ferromagnetic behavior of chromium-rich Fe-Cr alloys

R. Nemanich, C. W. Kimball, B. D. Dunlap, A. T. Aldred

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Abstract

Mössbauer spectra have been obtained as a function of temperature for FexCr1-x alloys with x=0.20, 0.25, and 0.30. Analysis of the line widths yields Curie temperature values of 60, 160, and 260 K, respectively, in agreement with bulk magnetization measurements. The results show a broad distribution of hyperfine fields indicating a wide variation of iron magnetic moment values from site to site. This result is consistent with neutron-diffraction and Mössbauer experiments on alloys of higher Fe concentration. The most probable hyperfine field and the bulk magnetization follow a temperature dependence proportional to (1-TTc)12.

Original languageEnglish (US)
Pages (from-to)124-127
Number of pages4
JournalPhysical Review B
Volume16
Issue number1
DOIs
StatePublished - Jan 1 1977
Externally publishedYes

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ASJC Scopus subject areas

  • Condensed Matter Physics

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