Thermal Conductivity of CeNiSn Single Crystals

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概要

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• The thermal conductivity of CeNiSn single crystals has been measured in the fern-perature range between 1.6 K and 18 K along each of the principal axes. The thermalconductivity is very anisotropic, reflecting the orthorhombic crystal structure. Abroad peak and an obscure indent are observed at 5.6 K and 6.9 K, respectively, in thetemperature dependence of the thermal conductivity along the #-axis, Thisanomalous behavior is considered to be associated with the energy-gap formation inthe semiconductorlike heavy-fermion compound around these temperatures. Below1.52.6 K, all of the thermal conductivity along the a-, b- and c-axes obeys a T -dependence. Carriers of the thermal conduction are mainly phonons and are scattereddominantly by electrons, which is speculated from the comparison with the electricalresistivity and specific heat data.CeNiSn, ternary compound, thermal conductivity, electrical resistivity, specificheat, heavy fermion, valence fluctuation

• 社団法人日本物理学会の論文
• 1991-08-15

著者

• SATO Kiyoo

  Department of Physics, Faculty of Engineering, Yokohama National University

• Sato Kiyoo

  Department Of Physics College Of Liberal Arts Toyama University

• Mori K

  Department Of Civil And Environmental Engineering University Of Yamanashi

• MORI Katsunori

  College of Liberal Arts, Toyama University

• OGISO Yoshiaki

  Faculty of Science, Toyama University

• ISIKAWA Yosikazu

  College of Liberal Arts,Toyama University

• OYABE Kazunori

  Department of Physics,Toyama University

• Isikawa Yosikazu

  College Of Liberal Arts Toyama University

• Oyabe Kazunori

  Department Of Physics Toyama University

• Mori K

  College Of Liberal Arts Toyama University

• Mori K

  Faculty Of Engineering Toyama University

• Mori Katunori

  Department Of Physics Faculty Of Science Toyama University

• Mori K

  Institute Of Materials Structure Science High Energy Accelerator Research Organization

• Mori Katsunori

  College Of Liberal Arts Toyama University

• OGISO Yoshiaki

  Department of Physics,Toyama University

• Ogiso Yoshiaki

  Faculty Of Science Toyama University

• Mori Kazuhiro

  Department of Civil and Environmental Engineering, University of Yamanashi

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