Helical Spin Resonance and Magntization Measurement in Itinerant Helimagnet Fe_xCo_<1-x>Si(0.3≦x≦0.85)
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概要
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Measurements of electron spin resonance and magnetization have been per-formed on the cubic B-20 Fe,Coj -.Si (0.3<,X"<0.85). The magnetization processon Fe..gCo...Si indicates that this sample is a helimagnet with the cone-ferro-magnetic transition under a low magnetic field. In this sample, the he]icaJ spinresonance and the critical field resonance have been observed at 9 GHz at lowtemperatures, and are similar to those in MnSi observed by Date et at. The helicalspin resonance data of Feg.gCo..zSi and MnSi are reasonably explained by therecent magnetic resonance theory for the helical spin structure due to the anti-symmetric exchange interaction existing in the cubic B-20 structure because of theJack of inversion symmetry. In every sample of Fe.Co.-,Si, ferro- and para-magnetic resonances have been observed at 9 and 24 GHz, and are briefly dis-cussed.
- 社団法人日本物理学会の論文
- 1985-10-15
著者
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Tazuke Yuichi
Department Of Physics Faculty Of Science Hokkaido University
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Tazuke Yuichi
Hokkaido University
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Watanabe Hideki
Department Of Cardiology Kinu Medical Association Hospital
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NAKAJIMA Haruo
Department of Physics,Faculty of Science,Hokkaido University
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Nakajima Haruo
Department Of Physics Faculty Of Science Hokkaido University
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Watanabe Hideki
Departement Of Cardiology Kinu Medical Association Hospital
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Watanabe Hideki
Department Of Gemeral Education Higashi-nippon-gakuen University
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