Magnetic Moment and Curie Point of Disordered Ni-Mn Alloys
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概要
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Measurements were made of the magnetic mornent of disordered Ni-Mn alloyscontaining up to 24 at %Mn in the temperature range from 77 K to Curie tempera-ture. The spontaneous magnetic moment at O K and the Curie temperaturededuced by means of Arrott plot were presented. The magnetic moment increaseslinearly with increasing Mn content and decreases rapidly to zero at about Ni.Mn.This behavior is discussed in terms of Kouvel's atomistic model. The Curietemperature monotonically decreases to zero near Ni.Mrz with increasing Mncontent and that is discussed in terms of a pair??interaction model and Kouvel'smolecular field model. It is found with the pair-interaction model that Ni-Ni andNi-Mn pair interactions are positive and Mn-Mn is negative, but with Kouvel'smodel that the interaction parameters have no real solution.
- 社団法人日本物理学会の論文
- 1978-07-15
著者
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Goto Mitita
Department Of Physics Faculty Of Science Ehime University
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Tange Hatsuo
Department Of Physics Faculty Of Science Ehime University
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TOKUNAGA Toshihiko
Department of Physics, Faculty of Science, Ehime University
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Tokunaga Toshihiko
Department Of Physics Faculty Of Science Ehime University
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