Effect of Spin Fluctuations on Magnetic Properties and Thermal Expansion in Pseudobinary System Fe_xCo_1-xSi
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概要
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Both magnetization and thermal expansion measurements have been made on thesame samples of Fe.Co. .Si alloys. The magnetization data is analyzed on the basisof the spin fluctuation theory developed by Takahashi to obtain information on thenature of spin fluctuations of this system. We found that concentration variation ofmagnetic behaviors of the ferromagnetic alloys, such as the Arrott plots and the fern-perature dependence of spontaneous magnetizatiorn, is quantilativeNy well explainedby the theory. Magnetovolume coupling constant is also estimated from thermal expansion coefficient on the basis of the SCR theory over the widcc concentration range.The magnetovolume effect is also in good accordance with the predictions ofTakahashi's theory, even quantitatively.[spin fluctuation, weak itinerant ferromagnetism, magttetovolume effect, lj Fe.Co. .Sil
- 社団法人日本物理学会の論文
- 1990-01-15
著者
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MARUYAMA Hiroshi
Department of Pathology, Hoshigaoka Koseinenkin Hospital
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Shimizu Kazuaki
Department Of Gastroenterology And Nephrology Kanazawa University Graduate School Of Medicine
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Shimizu Kazuaki
Department Of Physics Faculty Of Science Okayama University
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Shimizu K
Osaka Univ. Osaka
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YAMAZAKI Hitoshi
Department of Physics,Faculty of Science,Okayama University
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Watanabe Hideki
Department Of Cardiology Kinu Medical Association Hospital
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Shimizu K
Graduate School Of Engineering Science Osaka University
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Yamazaki Hitoshi
Department Of Ophthalmology Hirosaki University School Of Medicine
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Watanabe H
Health Science University Of Hokkaido
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Maruyama Hiroshi
Department Of General Thoracic Surgery Juntendo University
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Shimizu Kazuaki
Department Of Disease Control And Homeostasis Institute Of Medical Pharmaceutical And Health Science
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Shimizu Katsuya
Department Of Material Physics Faculty Of Engineering Science Osaka University:crest Japan Science A
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Yamazaki Hitoshi
Department Of Ophthalmology Hirosaki University Graduate School Of Medicine
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Watanabe Hideki
Departement Of Cardiology Kinu Medical Association Hospital
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