Low-Field Magnetization and AC Magnetic Susceptibility of Spin- and Cluster-Glasses of Itinerant Magnet Fe_xTiS_2
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概要
- 論文の詳細を見る
Magnetizations and ac magnetic susceptibilities at low magnetic fields using a SQUID magnetometer have been measured for spin-glass (SG ; x=0.1 and 0.2) and cluster-glass (CG ; x=1/4 and 1/3) phases of Fe_xTiS_2 over the frequency range 0.5-100 Hz and temperature range 4.2-80 K. The frequency and temperature variations of the ac magnetic susceptibilities have different behaviors for SG and CG ; in particular, the estimated distribution function of relaxation time g(ω, T) for x=1/4 has a double-peaked shape. The dimensionality and criticality of the CG phases are also discussed. Monte Calro simulations using a site-percolation model with a two-dimensional triangular lattice are made by taking into account the 1st, 2nd, and 3rd nearest neighbors to obtain the percolation probability P.
- 社団法人日本物理学会の論文
- 1994-03-15
著者
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Watanabe H
Radia Industry Co. Ltd
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Koyano Mikio
Department Of Materials Science Faculty Of Science Hiroshima University
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INOUE Masasi
Department of Materials Science,Faculty of Science,Hiroshima University
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Inoue Masasi
Department Of Applied Physics Fukui University
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Suezawa Manabu
Department of Materials Science, Faculty of Science, Hiroshima University
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Watanabe Hajime
Department of Materials Science, Faculty of Science, Hiroshima University
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Suezawa Manabu
Department Of Materials Science Faculty Of Science Hiroshima University
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Watanabe Hajime
Department Of Materials Science Faculty Of Science Hiroshima University
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Watanabe Hajime
Department of Bioenvironmental Research, Center for Integrative Bioscience, Okazaki National Research Institutes
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