Volume Effect in Thermal Properties of CeRu_2Si_2 near the Metamagnetic Crossover
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概要
- 論文の詳細を見る
Volume effect in the teraaperatttre and field variattion of the specific heat C (T, H ) of CeRuz Sizwas examined by means of' detailed therraa?tl expansion rmeastrrenaaent perforn'xed at teuaaperaturesT >1.5 K in magnetic fields H< 78 k0e. llVIaking trse of theruaaodynauaaic relatiot'as and thescaling properties that hold in the systetn, the specific hesrt C-( at constant voltruaae is estinaatedfrom experinaentaJ values of' Cv at constant pressture, XX7e slaow that the dotrble-peak strtrctttrein Cp /T vs. II ctrrve, recently observed Icy Aoki et at. across the rnetataaagnetic critical region,still remains in the constarut volunae condition; it is likely to be intrinsic in origin. We haxrealso examined tlae thernaal expansion of' the dilttted systeraa Ceo.ss (Lao.c;aYo.sw)o.tsRtrxSix xvheremetataaagnetistta is absent. Renaarkable difference in t['xe field variation of the therrnal expansioncoefficient betxveen tlaese two systeraas lcelow 10 K denaonstrates the existence of a low energy scalethat arises f'roraa certain ir?ter-site effect and is relevant f'or the occtrrrence of' taaetaraaatgnetisrn.
- 社団法人日本物理学会の論文
- 1999-07-15
著者
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ONUKI Yoshichika
Graduate School of Science, Osaka University
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松平 和之
九州工業大学工学部 電気工学科
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Tsutsui Satoshi
Department Of Materials Science And Technology Iwate University
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Suzuki T
Issp University Of Tokyo
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MAEZAWA Kunihiko
Faculty of Engineering,Toyama Prefectural University
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Tatsuoka Sho
Graduate School Of Science Tokyo Metropolitan University
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Suzuki N
Riken (inst. Physical And Chemical Res.) Saitama
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Suzuki N
Osaka Univ. Osaka Jpn
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MATSUHIRA Kazuyuki
Division of Physics,Graduate School of Science,Hokkaido University
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SAKAKIBARA Toshiro
Division of Physics,Graduate School of Science,Hokkaido University
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Sakakibara Toshiro
Division Of Physics Graduate School Of Science Hokkaido University
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Maezawa Kunihiko
Faculty Of Engineering Toyama Prefectural University
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Onuki Yoshichika
Graduate School Of Science Osaka University
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Matsuda Kyoko
Department Of Material Physics Graduate School Of Engineering Science Osaka University
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Matsushita Kazuyuki
Division Of Physics Graduate School Of Science Hokkaido University
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Sasagawa Takao
Graduate School Of Frontier Sciences University Of Tokyo
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