Specific-Heat Anomaly around Metamagnetic Transition in UCoAl
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概要
- 論文の詳細を見る
We have ttueastrred the specific laeat arrad nnagraetocaloric ef['ect of' an UCoAl siuugle crystaldoxvra to xO.l K in fields applied along the c-axis to iuavestigate tlae tlaerraaodxznaumic aspects oftlae rnetara'ragnetic beltaxxior. Hysteresis beluavior observed iru lcoth playsical qtratatities lceloxvN3 K confirraas tlae first order character of tlae unetarnagraetic trarusitiora. XVe haxxe fotrnd tlaat anapparent decrease of tl?e electronic part of specific laeat C./T by 20% at 0.25 K witla increasingfield across the tauetauaaagnetic trarasition field of xl T, evideracitag the charage ira tlae densityof-states at tlae Fertaai energy. C./T gradtrally decreases witla it'xcreasitag tetnperatttrre ira zerofield. This anotaaalous tenaperattrre depetade?ace cata be explained ].cy tatkirag iuato accotrnt a spinfltrctuation contribtrtion in the low-field state.
- 社団法人日本物理学会の論文
- 1999-12-15
著者
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SATO Hideyuki
Department of Physics, Tokyo Metropolitan University
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SUGAWARA Hitoshi
Department of Physics, Tokyo Metropolitan University
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AOKI Yuji
Department of Physics, Tokyo Metropolitan University
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Sechovsky V
Charles Univ. Prague Cze
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Sechovsky Vladimir
Department Of Metal Physics Charles University
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Aoki Yuji
Department Of Chemistry Faculty Of Science Gakushuin University
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Tatsuma D.
Department Of Physics Tokyo Metropolitan University
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Matsuda Tatsuma
Department Of Physics Tokyo Metropolitan University
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Shiozawa Hidetsugu
Department Of Physics Tokyo Metropolitan University
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Alexander V.
Institute of Physics,ASCR
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Alexander V.
Institute Of Physics Ascr
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Sato Hideyuki
Department Of Cardiology Osaka University Graduate School Of Medicine
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Sato Hideyuki
Department Of Applied Chemistry Faculty Of Science And Technology Keio University
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SUGAWARA Hitoshi
Department of Mathematical and Natural Sciences, Faculty of Integrated Arts and Sciences, The University of Tokushima
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Sugawara Hitoshi
Department of General Internal Medicine, Omiya Medical Center, Jichi Medical University
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