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MAGNETORESISTANCE MEASUREMENTS ON POLYCRYSTALLINE YBA2CU3O7-DELTA
KTH, Superseded Departments, Physics. (Fasta tillståndets fysik)ORCID iD: 0000-0002-9858-6235
KTH, Superseded Departments, Physics. (Fasta tillståndets fysik)
1991 (English)In: Physical Review B Condensed Matter, ISSN 0163-1829, E-ISSN 1095-3795, Vol. 44, no 14, 7722-7725 p.Article in journal (Refereed) Published
Abstract [en]

The magnetoresistance of a polycrystalline sample of YBa2Cu3O7-delta has been measured by an ordinary resistive method at temperatures from about 1 to 15 K above T(c) and in magnetic fields up to 12 T. From our experimental results and the theory of Hikami and Larkin, we obtain values of the coherence lengths xi-ab = 15.6 angstrom and xi-c = 3.6 angstrom and of the phase-breaking time tau-phi = 1.8 x 10(-13) s.

Place, publisher, year, edition, pages
1991. Vol. 44, no 14, 7722-7725 p.
Keyword [en]
THERMODYNAMIC FLUCTUATIONS, TC, SUPERCONDUCTORS, CONDUCTIVITY
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-50013DOI: 10.1103/PhysRevB.44.7722ISI: A1991GH80800068OAI: oai:DiVA.org:kth-50013DiVA: diva2:460822
Available from: 2011-12-01 Created: 2011-12-01 Last updated: 2017-12-08Bibliographically approved
In thesis
1. Studies of magnetoresistance and Y substitutions in YBa2Cu3O7-delta high temperature superconductors
Open this publication in new window or tab >>Studies of magnetoresistance and Y substitutions in YBa2Cu3O7-delta high temperature superconductors
1992 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 1992. 65 p.
Series
Trita-FYS, ISSN 0280-316X ; 5172
Keyword
high-temperature superconductors, elctrical conductivity, magnetoresistance, measurement systems, YBa2Cu3O7, substitutional effects
National Category
Condensed Matter Physics
Identifiers
urn:nbn:se:kth:diva-51236 (URN)
Public defence
Kollegiesalen, Valhallavägen 79, Stockholm (English)
Opponent
Supervisors
Note
QC 20111214Available from: 2011-12-14 Created: 2011-12-10 Last updated: 2011-12-14Bibliographically approved

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