A Mössbauer effect study of Y(57Fe:Mn)12
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The intermetallic compound, YMn12, doped with 0.5at.%57Fe has been investigated using the57Fe Mössbauer resonance. The data show that the Fe impurities occupy preferentially the f-site at the expense of the i- and j-sites. Whereas the i- and j-sites are expected to carry identical local magnetic moments in the ordered state, low temperature hyperfine fields of 50.08(±0.05)T and 2.90(±0.03)T are measured for the i- and j-sites respectively. It is proposed that large transferred hyperfine fields are responsible for this disparity.
KeywordsThin Film Expense Intermetallic Compound Effect Study Hyperfine Field
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