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  • Schneider, SebastianIFW Dresden, Inst Metall Mat, Helmholtzstr 20, D-01069 Dresden, Germany;Tech Univ Dresden, Inst Festkorper & Mat Phys, D-01062 Dresden, Germany (author)

Simple method for optimization of classical electron magnetic circular dichroism measurements : The role of structure factor and extinction distances

  • Article/chapterEnglish2018

Publisher, publication year, extent ...

  • AMER PHYSICAL SOC,2018
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:uu-371497
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-371497URI
  • https://doi.org/10.1103/PhysRevMaterials.2.113801DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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

Notes

  • Electron magnetic circular dichroism (EMCD), the electron wave analog of x-ray magnetic circular dichroism (XMCD), allows for the element specific measurement of the spin and orbital magnetic moments with up to nanometer resolution. However, due to dynamical diffraction effects, the signal-to-noise ratios of EMCD spectra are often very low. We describe a simple set of rules, how to set up a geometry for a classical EMCD experiment on an arbitrary crystal structure to get a maximum dichroic signal. The procedure is based on an evaluation of the structure factor and extinction distances. Proof-of-concept simulations and experiments on a FeGe crystal present a successful test of these guidelines.

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  • Negi, Devendra SinghUppsala universitet,Materialteori(Swepub:uu)devne912 (author)
  • Stolt, Matthew J.Univ Wisconsin, Dept Chem, 1101 Univ Ave, Madison, WI 53706 USA (author)
  • Jin, SongUniv Wisconsin, Dept Chem, 1101 Univ Ave, Madison, WI 53706 USA (author)
  • Spiegelberg, JakobUppsala universitet,Materialteori(Swepub:uu)jaksp603 (author)
  • Pohl, DariusIFW Dresden, Inst Metall Mat, Helmholtzstr 20, D-01069 Dresden, Germany;Tech Univ Dresden, Dresden Ctr Nanoanal, D-01062 Dresden, Germany (author)
  • Rellinghaus, BerndIFW Dresden, Inst Metall Mat, Helmholtzstr 20, D-01069 Dresden, Germany;Tech Univ Dresden, Dresden Ctr Nanoanal, D-01062 Dresden, Germany (author)
  • Goennenwein, Sebastian T. B.Tech Univ Dresden, Inst Festkorper & Mat Phys, D-01062 Dresden, Germany;Tech Univ Dresden, Ctr Transport & Devices Emergent Mat, D-01062 Dresden, Germany (author)
  • Nielsch, KorneliusIFW Dresden, Inst Metall Mat, Helmholtzstr 20, D-01069 Dresden, Germany;Tech Univ Dresden, Inst Mat Sci, Hehnholtzstr 7, D-01069 Dresden, Germany (author)
  • Rusz, Jan,1979-Uppsala universitet,Materialteori,IFW Dresden, Inst Metall Mat, Helmholtzstr 20, D-01069 Dresden, Germany(Swepub:uu)janru887 (author)
  • IFW Dresden, Inst Metall Mat, Helmholtzstr 20, D-01069 Dresden, Germany;Tech Univ Dresden, Inst Festkorper & Mat Phys, D-01062 Dresden, GermanyMaterialteori (creator_code:org_t)

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  • In:Physical Review Materials: AMER PHYSICAL SOC2:112475-9953

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