The superconductor KxSr(1-x)Fe2As2: Normal state and superconducting properties

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dc.creatorLv, B.
dc.creatorGooch, M.
dc.creatorLorenz, B.
dc.creatorChen, F.
dc.creatorGuloy, A. M.
dc.creatorChu, C. W.
dc.date2009-02-27
dc.date.accessioned2026-07-07T12:47:53Z
dc.date.available2026-07-07T12:47:53Z
dc.descriptionThe normal state and superconducting properties are investigated in the phase diagram of K_xSr_{1-x}Fe_2As_2 for 0<x<1. The ground state upper critical field, H_{c2}(0), is extrapolated from magnetic field dependent resistivity measurements. H_{c2}(0) scales with the critical temperature, T_c, of the superconducting transition. In the normal state the Seebeck coefficient is shown to experience a dramatic change near a critical substitution of x=0.3. This is associated with the formation of a spin density wave state above the superconducting transition temperature. The results provide strong evidence for the reconstruction of the Fermi surface with the onset of magnetic order.
dc.descriptionPublished in New Journal of Physics (Focus issue on iron-based superconductors)
dc.identifierhttps://arxiv.org/abs/0903.0013
dc.identifierhttp://arxiv.org/abs/0903.0013
dc.identifierNew J. Phys. 11, 025013 (2009)
dc.identifierdoi:10.1088/1367-2630/11/2/025013
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/221873
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleThe superconductor KxSr(1-x)Fe2As2: Normal state and superconducting properties
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