Pressure Effect on the Charge-Density Waves and the Superconductivity in NbSe_3

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概要

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• The pressure effect on the 0DW formation and the supercc>nductivity in NbSe, isinvestigated up to 18 kbar by resistive and dian?agnetic mcasurements. Both the7'.-CDW and the 7'.-CDW are suppressed under pressure, as reported earlier. Thesuperconductivity appears at j:>ressures above P.=7.5 kbar where the 7'.-CDW is sup-pressed totally. It was confirnted that the superconducting transition temperature T.exhibits the maximum value just above P. whilc: it decreases gradually at higherpressures. It was found that the initial slope of In T. and the s;lope of In T. above 9.5kbar are almost the same. The results are discussed in terms of both collapse of thenesting of the Fermi surfaces and reduction of a dimensionless<clectron-phonon coupling constant under pressure.

• 社団法人日本物理学会の論文
• 1990-04-15

著者

• Ido Masayuki

  Dpartment Of Physics Faculty Of Science Hokkaido University

• Okayama Yasushi

  Dpartment Of Physics Faculty Of Science Hokkaido University

• IJIRI Tsutomu

  Dpartment of Physics,Faculty of Science,Hokkaido University

• OKAJIMA Yoshitoshi

  Dpartment of Physics,Faculty of Science,Hokkaido University

• Ijiri Tsutomu

  Dpartment Of Physics Faculty Of Science Hokkaido University

• Okajima Yoshitoshi

  Dpartment Of Physics Faculty Of Science Hokkaido University

関連論文

• Pressure Effect on the Charge-Density Waves and the Superconductivity in NbSe_3

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