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Berlin 2005 – scientific programme

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MA: Magnetismus

MA 20: Poster:Schichten(1-29),Spintrsp(30-45),Ex-Bias(46-63),Spindyn(64-75),Mikromat.(76-80),Cluster(81-94),Abbv.(95-99),Obflm(100-02),SpElek.(103-09),E-Theo(110-14),Mikromag.(115-16),Spin+PÜ(117-26),Mag.Mat.(127-51),Meth.(152-55),Mol.Mag(156-59),Kondo(160-65

MA 20.146: Poster

Monday, March 7, 2005, 14:00–18:00, Poster TU C

Investigation of Sr2FeMoO6 by means of magnetic circular dichroism in x-ray absorption and resonant x-ray emissionat Fe L-edge — •M. Raekers, K. Kuepper, A. F. Takács, H. Hesse, and M. Neumann — Universität Osnabrück, Fachbereich Physik, Barbarastr. 7, D-49069 Osnabrück, Germany

Ordered double perovskites like Sr2FeMoO6 have attracted much attention since the discovery of colossal magnetoresistance at room temperature by Kobayashi et al. [1].

The electronic and magnetic properties of Sr2FeMoO6 have been already intensely studied, i. e., [2]. We present here magnetic cicular dichroism (MCD) on the Fe L edge of Sr2FeMoO6 in x-ray absorption (XAS) and resonant inelastic x-ray scattering (RIXS). The results are discussed in the light of other XAS-XMCD spectra, Mössbbauer data and available theoretical calculations.

[1] K.-I. Kobayashi et al., Nature 395 677 (1998)

[2] phys. stat. sol. (a), in press, DOI 10.1002/pssa.200405432

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