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STRUCTURAL AND SUPERCONDUCTING PROPERTIES OF Y1-2XCAXPRXBA2CU3O7-GAMMA
KTH, Superseded Departments, Physics. (Fasta tillståndets fysik)ORCID iD: 0000-0002-9858-6235
KTH, Superseded Departments, Physics. (Fasta tillståndets fysik)
Arrheniuslaboratoriet, Stockholms Universitet. (Oorganisk kemi)
Arrheniuslaboratoriet, Stockholms Universitet. (Oorganisk kemi)
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1992 (English)In: Physica. C, Superconductivity, ISSN 0921-4534, E-ISSN 1873-2143, Vol. 190, no 3, 255-260 p.Article in journal (Refereed) Published
Abstract [en]

Samples of the nominal composition Y1-2xCaxPrxBa2Cu3O7-delta with 0 less-than-or-equal-to x less-than-or-equal-to 0.4 have been studied by X-ray diffraction techniques, chemical analyses, and measurements of the super conducting transition temperature and the upper critical magnetic field. For x less-than-or-equal-to 0.25, the results indicate that Ca and Pr can both replace Y in agreement with the nominal composition, while for x > 0.25 only Pr enters the orthorhombic unit cell. Compared to Pr substitution in 1:2:3 we observe small changes in the depression of T(c) and strong changes in the critical field slopes. These results suggest that if Pr has a magnetic pair-breaking effect, it is close to being temperature independent.

Place, publisher, year, edition, pages
1992. Vol. 190, no 3, 255-260 p.
Keyword [en]
NORMAL-STATE PROPERTIES, DIFFRACTION, VALENCE, SYSTEM, FIELD
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-50010DOI: 10.1016/0921-4534(92)90603-AISI: A1992HC66900009OAI: oai:DiVA.org:kth-50010DiVA: diva2:460831
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)
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Note
QC 20111214Available from: 2011-12-14 Created: 2011-12-10 Last updated: 2011-12-14Bibliographically approved

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