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Thermodynamic fluctuation in doped BiSrCaCuO superconductors with 110K phase
KTH, Superseded Departments, Physics. (Fasta tillståndets fysik)
KTH, Superseded Departments, Physics. (Fasta tillståndets fysik)ORCID iD: 0000-0002-9858-6235
1994 (English)In: Physica. B, Condensed matter, ISSN 0921-4526, Vol. 194-196, 1513-1514 p.Article in journal (Refereed) Published
Abstract [en]

The resistivity has been carefully measured for four sintered samples of Pb and Pb/Sb doped Bi-Sr-Ca-Cu-O superconductors with the 110 K phase from zero resistance temperature up to 300 K. The thermodynamical fluctuation have been fitted on the form DELTAsigma is-proportional-to epsilon(x) (epsilon=(T-T(c))/T(c)) in the regions -4 < In epsilon < -2. By choosing T(c) in different ways, it is shown that consistent results only could be obtained when T(c) is defined according to the Lawrence-Doniach theory.

Place, publisher, year, edition, pages
1994. Vol. 194-196, 1513-1514 p.
National Category
Condensed Matter Physics
URN: urn:nbn:se:kth:diva-50488DOI: 10.1016/0921-4526(94)91256-4ISI: A1994NC27500081OAI: diva2:462129
QC 20111207. 20th International Conference on Low Temperature Physics, EUGENE, OR, AUG 04-11, 1993Available from: 2011-12-06 Created: 2011-12-06 Last updated: 2011-12-07Bibliographically approved

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