NMR Studies on Magnetic Properties of Fe-Rh Alloys
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概要
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Hyperfine fields at Rh^<103> nuclei in the ferromagnetic Fe-Rh alloy system have been measured by the pulsed NMR technique in the concentration range between 2 and 52 at. % Rh and at temperatures between 1.4 and 470°K. In the ordered Fe_<65>Rh_<35>, Fe_<55> Rh_<45>, and Fe_<51> Rh_<49> alloys, NMR spectra for Rh_<103> consisted of several peaks with equal spacing. From relative intensity analysis of the constitutent peaks, it was determined that local distribution of Fe atoms in the second-nearest neighbors around a Rh atom is responsible for the appearance of these peaks. Temperature dependences of the resonance frequency of the main and the satellite peaks of the NMR spectra for the ordered Fe_<55>Rh_<45> and Fe_<51>Rh_<49> alloys have been studied. In the ferromagnetic region through a transition temperature in the ordered Fe_<50>Rh_<50> and Fe_<48>Rh_<52> alloys, the temperature dependence of NMR signal intensity shows a marked temperature hysteresis, while the resonance frequency changes monotonically with temperature without hysteresis.
- 社団法人日本物理学会の論文
- 1970-11-05
著者
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Masuda Yoshika
Department Of Liberal Arts Aichi Gakuin University
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Kontani Masaaki
Department Of Physics Nagoya University
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Kontani Masaaki
Department Of Physics Faculty Of Science Nagoya University
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OTA Masatsune
Department of Physics, Nagoya University
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Ota Masatsune
Department Of Physics Nagoya University
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