Specific Heat and Superconductivety in BaPb_<1-x>Bi_xO_3
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概要
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Specific heat coefficient of BaPb. .Bi,03 at low temperatures was measuredby the thermal relaxation method. Although the discontinuity in the specific heatC at the superconducting transition temperature T. could not be detected, it wasclearly observed in the lowest experimental temperature region that C in thesuperconducting state at zero magnetic field was smaller than in the normal stateat H=59 k0e. The electronic specific heat coefficient 7 increased with x until.Xl':0.25 and then decreased above, corresponding to the composition dependenceof T.. However,the y value, e.g. 1.6 mJ mole 'K ' at ,v::0.25, was one to twoorders of magnitude smaller than those of the other typical high T. supercon-ducting metals. The Debye temperature was in the range 166 K to 196 K for0< x< 0. 3 .
- 社団法人日本物理学会の論文
- 1984-08-15
著者
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KITAZAWA Koichi
Department of Industrial Chemistry, University of Tokyo
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TANAKA SHOJI
Department of Impairment Study, Graduate Course of Rehabilitation Science, Division of Health Scienc
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Itoh T
Kyoto Univ.
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Itoh T
Department Of Applied Physics Faculty Of Engineering The University Of Tokyo
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Tanaka Shoji
Department Of Applied Physics Waseda University
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ITOH Takao
Department of Physics, Tokyo University of Mercantile Marine
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Kitazawa K
Univ. Tokyo Tokyo
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Kitazawa Koichi
Department Of Superconductivity University Of Tokyo
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Kitazawa Koichi
Department Of Applied Chemistry Faculty Of Engineering University Of Tokyo
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Kitazawa Koichi
Department Of Advanced Materials Science University Of Tokyo
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Tanaka Shoji
Department Of Applied Physics Faculty Of Engineering University Of Tokyo
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Tanaka Shoji
Department Of Applied Physics Faculty Of Engineering The University Of Tokyo
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Itoh Takao
Department Of Applied Biology Kyoto Institute Of Technology
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Tanaka Shoji
Department Of Applied Physics Faculty Fo Engineering University Of Tokyo
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