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Electrical resistance of YBa2Cu3O7-delta in the range 300-500 K and 0-1.5 GPa
-
- Sundqvist, Bertil (author)
- Umeå universitet,Institutionen för fysik
- (creator_code:org_t)
- Elsevier BV, 1988
- 1988
- English.
- In: Solid State Communications. - : Elsevier BV. - 0038-1098 .- 1879-2766. ; 66:6, s. 623-627
- Journal article (peer-reviewed)
Abstract
Subject headings
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- 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.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- Superconductors. high transition temperature superconductors
- HTS
- HiTc
- ceramic
- resistivity
- high pressure
- critical temperature
- Superconductivity
- Supraledning
- Condensed matter physics
- Kondenserade materiens fysik
- fysik
- Physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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