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Magnetic circular d...
Magnetic circular dichroism in X-ray fluorescence of Heuseler alloys at threshold excitation
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- Magnuson, Martin, 1965- (author)
- Russian Academy of Sciences-Ural Division,Yekaterinburg,Uppsala University,Universität Osnabrück, Germany
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- Grebennikov, V. I. (author)
- Russian Academy of Sciences-Ural Division,Yekaterinburg
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- Yarmoshenko, Y. M. (author)
- Russian Academy of Sciences-Ural Division,Yekaterinburg
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- Kurmaev, E. Z. (author)
- Russian Academy of Sciences-Ural Division,Yekaterinburg
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- Butorin, S. M. (author)
- Uppsala University
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- Duda, L.-C. (author)
- Uppsala University
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- Såthe, Conny (author)
- Uppsala University
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- Käämbre, Tanel (author)
- Uppsala University
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- Magnuson, Martin, 1965- (author)
- Uppsala University
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- Nordgren, J. (author)
- Uppsala University
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- Plogmann, S. (author)
- Universität Osnabrück, Germany
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- Neumann, M. (author)
- Universität Osnabrück, Germany
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(creator_code:org_t)
- 2001
- 2001
- English.
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In: Solid State Communications. - 0038-1098 .- 1879-2766. ; 117:2, s. 79-82
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
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- The results of fluorescence measurements of magnetic circular dichroism (MCD) in Mn L2,3 X-ray emission and absorption for Heusler alloys NiMnSb and Co2MnSb are presented. Very intense resonance Mn L3 emission is found at the Mn 2p3/2 threshold and attributed to a peculiarity of the threshold excitation in materials with a half-metallic character of the electronic structure. The excitation energy dependence of Mn L2,3 X-ray emission spectra (XES) was measured at beamline ID12B at the European Synchrotron Radiation Facility (ESRF, Grenoble) using 83% circularly polarized X-rays. A very large MCD effect found in XES is attributed to strong exchange splitting of spin-up and spin-down Mn 3d states. The anomalously high ratio of L2 emission intensity to L3 emission intensity is found.
Keyword
- A. Magnetically ordered materials; D. Electronic states (localized); D. Recombination and trapping; E. Synchrotron radiation; E. X-ray emission
- NATURAL SCIENCES
- NATURVETENSKAP
Publication and Content Type
- ref (subject category)
- art (subject category)
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Magnuson, Martin ...
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Grebennikov, V. ...
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Yarmoshenko, Y. ...
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Kurmaev, E. Z.
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Butorin, S. M.
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Duda, L.-C.
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Såthe, Conny
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Käämbre, Tanel
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Nordgren, J.
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Plogmann, S.
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Neumann, M.
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- Articles in the publication
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Solid State Comm ...
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Uppsala University
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Linköping University