Thermal and Transport Properties of Sc_<1-x>Ti_xFe_2
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概要
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Low temperature specific heat and electrical resistivity have been studied for the Laves phase compounds Sc_<1-x>Ti_xFe_<l.95>, which show the ferromagnetic to ferromagnetic (F-F) transition with increasing temperature at around x=0.7. It is shown that the electronic specific heat coefficient, γ, and the coefficient of T^2 term in the resistivity, A, show a maximum at the critical concentration for the onset of Fe moments at the 2a site. The correlation between y and A are discussed in terms of spin fluctuations. A small but visible anomaly was observed in the specific heat curve of Sc_<0.3>Ti_<0.7>Fe_<1.95> at 100 K due to the F-F transition. The origin of the entropy change associated with the F-F transition is also discussed.
- 社団法人日本物理学会の論文
- 1994-01-15
著者
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Shiga Masayuki
Department Of Material Science And Engineering Kyoto University
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Wadati H.
Department Of Physics And Astronomy University Of British Columbia
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Wada Hirofumi
Department Materials Science And Engineering Kyoto University
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Shimamura Naoki
Department Of Metal Science And Technology Kyoto University
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