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Electrical resistance of YBa2Cu3O7-delta in the range 300-500 K and 0-1.5 GPa
Umeå University, Faculty of Science and Technology, Physics.
1988 (English)In: Solid State Communications, ISSN 0038-1098, Vol. 66, no 6, 623-627 p.Article in journal (Refereed) Published
Abstract [en]

The electrical resistance R of single-phase, sintered YBa2Cu3O7−δ has been studied as a function of pressure p and temperature T in the range 300 to 500 K and 0 to 1.5 GPa (15 kbar). R is linear in T and has an initial pressure coefficient of about −13 %/GPa. The pressure dependence of Tc has also been measured up to 1 GPa, with the result dTc/dp = 0.45 K/GPa. The results are discussed in terms of electron-electron scattering, electron-phonom scattering, and the resonating valence bond theory, but none of these can fully explain the results.

Place, publisher, year, edition, pages
1988. Vol. 66, no 6, 623-627 p.
Keyword [en]
Superconductors. high transition temperature superconductors, HTS, HiTc, ceramic, resistivity, high pressure, critical temperature
National Category
Condensed Matter Physics Condensed Matter Physics
Research subject
URN: urn:nbn:se:umu:diva-26757DOI: 10.1016/0038-1098(88)90221-9OAI: diva2:273948
Available from: 2009-10-26 Created: 2009-10-26 Last updated: 2010-02-03

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