Magnetization Process of the Mixed Compound with Exchange Frustrations Fe_<0.65>Mn_<0.35>TiO_3 and Fe_<0.50>Mn_<0.50>TiO_3-Anomalous Dependence on the Sweep-Rate of Magnetic Fields
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概要
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The unagnetiz;ttion processes of' the sjcin-glass Feg.5g1VIng.50Ti03 and the reentrant spin-glassFe0..)5NIn0.35TiO3 have been uneastrred in the magnetic field H swept with various sweep-ratesbetween 0.050 T/s and 0.750 T/s at 4.2 K and '?l.4 K. When H is swept up or down fast beyonda critical value of the sweep-rate, the 2lIl0l112ll0l1S .)LIIIIP-LIP and jtrmp-down of the naagnetizationocctrrs towards the va[ttes of time field-cooled-magnetization. The.jtnmp-tnp or jtrtnp-down field ofthe magnetization changes depending on the sweep-rate and the temperattrre. It is demonstratedthat the hysteresis related to the .jurnp of the magnetization becomes snaall gradtmally withincreasing tJae sweep-rate, which is opposite to the normal behavior that the response of' spinsystems is delayed for a fast sweejc of H . We consider that these phenomena are closely relatedto the properties of the spin-glass state.
- 社団法人日本物理学会の論文
- 1997-11-15
著者
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KATO Harukazu
Faculty of Science, Kochi University
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Miura Shigeto
Institute for Materials Research, Tohoku University
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Ito Atsuko
Department Of Physics Fculty Of Science Ochanomizu University
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Ito A
Department Of Physics Ochanomizu University:(present)the Institute Of Physical And Chemical Research
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Ito Atsuko
Department Of Physics Faculty Of Science Ochanomizu University
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Kato Hiroo
National Institute For Minamata Disease
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Kato H
Department Of Chemistry Graduate School Of Science Kyoto University
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Kato H
Faculty Of Science Kwansei-gakuin University
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Miura Shigeto
Institute For Materials Research Tohoku University
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Ito A
Department Of Physics Faculty Of Science Ochanomizu University
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Kato H
National Institute For Minamata Disease
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ITO Atsuko
Faculty of Science,Ochanomizu University
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OYAMA Chiyuki
Faculty of Science,Ochanomizu University
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FUKAYA Atsuko
Graduate School of Humanities and Sciences,Ochanomizu University
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KATO Hiroaki
Faculty of Engineering,Tohoku University
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Fukaya Atsuko
Graduate School Of Humanities And Sciences Ochanomizu University
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Oyama Chiyuki
Faculty Of Science Ochanomizu University
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Kato H
Kochi Univ. Kochi
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Ito Atsuko
Faculty Of Science Ochanomizu University
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Kato Hiroaki
Faculty Of Applied Biological Science Hiroshima University
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