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Doping dependence of the specific heat of single crystal bafe2(as1 xpx)(2)
Stockholm University, Faculty of Science, Department of Physics.
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2012 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 85, no 18, 184525- p.Article in journal (Refereed) Published
Abstract [en]

We present specific heat measurements on a series of BaFe2(As1-xPx)(2) single crystals with phosphorous doping ranging from x = 0.3 to x = 0.55. Our results reveal that BaFe2(As1-xPx)(2) follows the scaling Delta C/T-c approximate to T-c(2) remarkably well. The clean-limit nature of this material imposes additional restraints on theories aimed at explaining the scaling. Furthermore, we find that the Ginzburg-Landau parameter decreases significantly with doping whereas the superconducting anisotropy is Gamma approximate to 2.6, independent of doping.

Place, publisher, year, edition, pages
2012. Vol. 85, no 18, 184525- p.
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Condensed Matter Physics
URN: urn:nbn:se:su:diva-79759DOI: 10.1103/PhysRevB.85.184525ISI: 000304393200006OAI: diva2:551991


Available from: 2012-09-12 Created: 2012-09-11 Last updated: 2012-09-12Bibliographically approved

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Rydh, Andreas
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