Pressure Effects on Spin Density Wave in Cr Rich Cr-Al,Si,Mn,Fe and Co Alloys
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概要
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The effect of pressure on the spin density wave (SDW) state in Cr rich Cr -AN,Si, Mn, Fe and Co alloys has been elucidated by neutron diffraction studies.We found that the change of the SDW wave vector Q, by applying pressure,1/Q-AQ/AP, is linearly related to the decrease of T. with increasing pressure1/T.=,3T./AP and that all the results from the Cr-Si, Fe and Co alloys fall on asingle straight line independent of their concentrations. Their magnetic phase dia-grams in a temperature-pressure coordinate system can be related to the alloy phasediagram by employing an empirical rule that applying pressure corresponds to adecrease in the electron to atom ratio. The non transition metal Si impurity hasbeen found to act as an electron donor, while the effect of Al is not interpretedby the two band nesting model.
- 社団法人日本物理学会の論文
- 1982-11-15
著者
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ISHIKAWA Yoshikazu
Department of Physics,Tohoku University
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ENDOH Yasuo
Department of Physics,Tohoku University
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Endoh Yasuo
Department Of Physics Tohoku University
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Ishikawa Yoshikazu
Department Of Materials Science And Technology Hirosaki University
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Endoh Yasuo
Department Of Chemistry Kyoto University
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Mizuki Jun′ichiro
Department of Physics,Tohoku University
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MIZUKI Jun'ichiro
Department of Physics,Tohoku University:Nuclear Reactor Division,McMaster University
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