Impurity Effects on Superconductivity and Charge Density Waves in NbSe_3

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概要

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• The superconducting transition temperature T. and the sizes of the resistiveanomalies due to both the q.- and the q.-CDW formations are examined on singlecrystals of Ta-doped NbSe.. With addition of Ta, T. increases steeply from below70mK to 1.7K but turns to decrease at 5at/Ta. The sizes of the resistiveanomalies due to both CDW formations initially decrease but that due to the q3-CDW begins to increase at 5 at '3 where T. turns to decrease. These results arediscussed in terms of the competition between superconductivity and the CDWformations. The upper critical field is also measured in the superconducting stateindttced by Ta doping. The critical field shows one-dimensional anisotropy, whichoriginates from the anisotropy of the electronic band structure.

• 社団法人日本物理学会の論文
• 1985-02-15

著者

• Kawabata Kazushige

  Department Of Physics Hokkaido University

• Kawabata K

  Department Of Physics Faculty Of Science Hokkaido University

• Kawabata Kazushige

  Department of Biological Sciences, Graduate School of Science, Hokkaido University, North 10 West 8, Kita-ku, Sapporo 060-0810, Japan

関連論文

• Hall Effect of NbSe_3 in the Non-Ohmic Regimes below 58 K and 142 K CDW Transitions
• Hall Effect and Transverse Conductivities of NbSe_3: Evidence for the Sliding Motion of Charge-Density-Wave
• Impurity Effects on Superconductivity and Charge Density Waves in NbSe_3
• Mechanical Response to Isotropic Shrinkage of Fibroblasts Measured by Scanning Probe Microscopy

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