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Seebeck coefficients of half-metallic ferromagnets
Benjamin Balke, Siham Ouardi, Tanja Graf +6
In this report the Co2 based Heusler compounds are discussed as potential materials for spin voltage generation. The compounds were synthesized by arcmelting and consequent anneali…
Coupling of localized moments and itinerant electrons in EuFe2As2 single crystals studied by Electron Spin Resonance
E. Dengler, J. Deisenhofer, H. -A. Krug von Nidda +6
Electron spin resonance measurements in EuFe2As2 single crystals revealed an absorption spectrum of a single resonance with Dysonian lineshape. Above the spin-density wave transiti…
Anomalous transport properties of the halfmetallic ferromagnets Co2TiSi, Co2TiGe, and Co2TiSn
Joachim Barth, Gerhard H. Fecher, Benjamin Balke +4
In this work the theoretical and experimental investigations of Co2TiZ (Z = Si, Ge, or Sn) compounds are reported. Half-metallic ferromagnetism is predicted for all three compounds…
The Structural Phase Transition in FeSe (Fe1+dSe)
T. M. McQueen, A. J. Williams, P. W. Stephens +6
In this letter we show that superconducting Fe1.01Se undergoes a structural transition at 90 K from a tetragonal to an orthorhombic phase but that non-superconducting Fe1.03Se does…
Exotic magnetism in the alkali sesquoxides Rb4O6 and Cs4O6
Juergen Winterlik, Gerhard H. Fecher, Taras Palasyuk +8
Among the various alkali oxides the sesquioxides Rb4O6 and Cs4O6 are of special interest. Electronic structure calculations using the local spin-density approximation predicted tha…
Influence of antiferromagnetic fluctuations on the pressure dependence of the critical temperature in FeSe
S. Chadov, F. Casper, S. Naghavi +1
This paper has been withdrawn, due a wrong analysis of the obtained results.