Existence of the Minimum Coefficient in Temperature Linear Term of Heat Capacity in Superconducting (La_<1-x>Ba_x)_2CuO_4
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概要
- 論文の詳細を見る
In high-7'. superconductors (La. .M,).Cu0. (M = Ba, Sr), it has been reported thatthe heat capacity has a nonzero coefficient y in the temperature linear term. We in-vestigated the detailed dependence of y on Ba doping. It was confirmed that ybecomes zero for undoped La.Cu0.. With increasing Ba concentration x, y increasesmarkedly up to x=0.02 where the magnetic order almost disappears, while itdecreases as superconductivity starts to appear and then has a minimum aroundx=O.O4. With further increasing x, y increases again. These results may be due to acombined effect of two different contributions to y.
- 社団法人日本物理学会の論文
- 1988-07-15
著者
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ISHIDA Kenji
Department of Physics, Graduate School of Science, Kyoto University
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KITAOKA Yoshio
Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka Universit
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Kobayashi Tatsuo
Department of Material Physics, Faculty of Engineering Science, Osaka University
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Amaya Kiichi
Department of Material Physics, Faculty of Engineering Science, Osaka University
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Asayama Kunisuke
Department of Material Physics, Faculty of Engineering Science, Osaka University
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Amaya K
Department Of Physical Science Grasuate School Of Engineering Science Osaka University
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Takao Kohara
Department Of Material Science Faculty Of Science Himeji Institute Of Technology
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Asayama Kunisuke
Department Of Material Physics Faculty Of Engineering Science Osaka University
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Karaki Y
Department Of Material Physics Faculty Of Engineering Science Osaka University
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Kitaoka Yoshio
Department Of Material Physics Faculty Of Engineering Science Osaka University
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KUMAYASU Satoshi
Department of Material Physics,Faculty of Engineering Science,Osaka University
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Amaya Kiichi
Department Of Material Physics Faculty Of Engineering Science
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Kumayasu Satoshi
Department Of Material Physics Faculty Of Engineering Science Osaka University
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Ishida Kenji
Department Of Chemical Science And Engineering Graduate School Of Engineering Kobe University
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Kobayashi Tatsuo
Departmant Of Physics Kyoto University
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Ishida Kenji
Department of Applied Chemistry, Ibaraki University
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