Dresden 2011 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 10: Poster Session: Superconductivity

TT 10.28: Poster

Montag, 14. März 2011, 14:00–18:00, P4

Systematic investigations of the ternary system Fe-Se-Te — •Michael Schulze, M. Yasin Hacisalihoglu, Christian G.F. Blum, Christian Hess, Manoj Kumar, Anja U.B. Wolter, Sabine Wurmehl, and Bernd Büchner — IFW Dresden, Helmholtzstraße 20, 01069 Dresden

Among iron based superconductors the iron chalcogenides gain special attention due to the discovery of superconductivity in the Fe-Se-system by Hsu et al. [1]. The highest critical temperature in the so called 11-systems was first observed by Sales et al. [2] in a FeSe_0.5Te_0.5-sample. This poster presents a systematic investigation of the the ternary system Fe-Se-Te by means of powder diffraction, magnetization and transport measurements.
Hsu et al., Proc. Natl Acad. Sci. USA 105, 14262 (2008)
Sales et al., Phys. Rev. B 79, 094521 (2009)