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MAGNETORESISTANCE MEASUREMENTS ON (CA,TH)-DOPED 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KTH, Superseded Departments, Physics.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KTH, Superseded Departments, Physics.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: Physica. C, Superconductivity, ISSN 0921-4534, E-ISSN 1873-2143, Vol. 185, 1901-1902 p.Article in journal (Refereed) Published
Abstract [en]

Magnetoresistance measurements on sintered Y1-2xCaxThxBa2Cu3O7-delta samples with x < = 0.1 are reported. By fitting the measured data to the Hikami-Larkin theory, we obtain coherence lengths, xi-ab and xi-c’ and a phase breaking time tau-phi All these parameters are found to decrease with (Ca,Th) doping. We also conclude that magnetoresistance measurements are highly sensitive to inhomogeneities in the sample.

Place, publisher, year, edition, pages
1991. Vol. 185, 1901-1902 p.
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-50011DOI: 10.1016/0921-4534(91)91076-GISI: A1991GX30800242OAI: oai:DiVA.org:kth-50011DiVA: diva2:460829
Note
INTERNATIONAL CONF ON MATERIALS AND MECHANISMS OF SUPERCONDUCTIVITY HIGH TEMPERATURE SUPERCONDUCTORS 3, KANAZAWA, JAPAN, JUL 22-26, 1991Available 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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Andersson, Magnus

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