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Regensburg 2010 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 9: SC: Poster Session

TT 9.28: Poster

Monday, March 22, 2010, 14:00–18:00, Poster A

Transport studies on 122 Iron Arsenide superconductors — •Gerd Friemel, Saicharan Aswartham, Luminita Harnagea, Surjeet Singh, Norman Leps, Mahmoud Abdel-Hafez, Ulrike Stockert, Günter Behr, Christian Heß, Rüdiger Klingeler, and Bernd Büchner — Leibniz Institute for Solid State and Materials Research Dresden, Germany

We present the transport properties of Ca(Fe1−xCox)2As2 and Ba(Fe1−xCox)2As2 single crystals. In particular, we develop an electronic phase diagram for Ca(Fe1−xCox)2As2, supported by measurements of magnetization and heat capacity. Our data reveal, that bulk superconductivity exists only in a very narrow doping range. Furthermore, we discuss the impact of different doping schemes on the electronic transport in pnictide superconductors.

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