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  • Magnuson, Martin,1965-Russian Academy of Sciences-Ural Division,Yekaterinburg,Uppsala University,Universität Osnabrück, Germany (author)

Magnetic circular dichroism in X-ray fluorescence of Heuseler alloys at threshold excitation

  • Article/chapterEnglish2001

Publisher, publication year, extent ...

  • 2001
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:uu-237939
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-237939URI
  • https://doi.org/10.1016/S0038-1098(00)00415-4DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-54978URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • 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.

Subject headings and genre

  • A. Magnetically ordered materials; D. Electronic states (localized); D. Recombination and trapping; E. Synchrotron radiation; E. X-ray emission
  • NATURAL SCIENCES
  • NATURVETENSKAP

Added entries (persons, corporate bodies, meetings, titles ...)

  • Grebennikov, V. I.Russian Academy of Sciences-Ural Division,Yekaterinburg (author)
  • Yarmoshenko, Y. M.Russian Academy of Sciences-Ural Division,Yekaterinburg (author)
  • Kurmaev, E. Z.Russian Academy of Sciences-Ural Division,Yekaterinburg (author)
  • Butorin, S. M.Uppsala University (author)
  • Duda, L.-C.Uppsala University (author)
  • Såthe, ConnyUppsala University (author)
  • Käämbre, TanelUppsala University (author)
  • Magnuson, Martin,1965-Uppsala University(Swepub:uu)martmagn (author)
  • Nordgren, J.Uppsala University (author)
  • Plogmann, S.Universität Osnabrück, Germany (author)
  • Neumann, M.Universität Osnabrück, Germany (author)
  • Russian Academy of Sciences-Ural Division,YekaterinburgUppsala University (creator_code:org_t)

Related titles

  • In:Solid State Communications117:2, s. 79-820038-10981879-2766

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