Magnetic properties of Fe1-xCoxCr2S 4

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We designed a series of samples with Co substitution (Fe1-x Cox Cr2 S4, 0≤x≤1) and studied the Co doping effect in Fe Cr2 S4. Spin glass transitions are observed in lower temperature regions and ferrimagnetic transitions are observed in higher temperature regions. The paramagnetic- ferrimagnetic transition temperature (TC) increases with the amount of Co substitution. In order to clarify the magnetic character at the transition point, a critical exponent was obtained at about TC. The exponent changes from Ising to Heisenberg as x increases.

Original languageEnglish
Article number08F712
JournalJournal of Applied Physics
Issue number8
Publication statusPublished - 2006

ASJC Scopus subject areas

  • General Physics and Astronomy


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