A Mössbauer effect study of Y(57Fe:Mn)12 |
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| Authors: | G. A. Stewart G. L. Whittle S. J. Campbell J. Zukrowski |
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| Affiliation: | (1) Department of Physics, RMC, 2600 Duntroon, A.C.T., Australia;(2) Department of Solid State Physics, Research School of Physical Sciences, Australian National University, 2600, A.C.T., Australia;(3) Solid State Physics Department, AGH, Krakow, Poland |
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| Abstract: | 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. |
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