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  • Nemsak, SlavomirLawrence Berkeley Natl Lab, Mat Sci Div, 1 Cyclotron Rd, Berkeley, CA 94720 USA;Univ Calif Davis, Dept Phys, 1 Shields Ave, Davis, CA 95616 USA;Lawrence Berkeley Natl Lab, Adv Light Source, 1 Cyclotron Rd, Berkeley, CA 94720 USA;Forschungszentrum Julich, Peter Grunberg Inst PGI 6, D-52425 Julich, Germany (author)

Element- and momentum-resolved electronic structure of the dilute magnetic semiconductor manganese doped gallium arsenide

  • Article/chapterEnglish2018

Publisher, publication year, extent ...

  • 2018-08-17
  • Springer Science and Business Media LLC,2018
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:uu-362646
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-362646URI
  • https://doi.org/10.1038/s41467-018-05823-zDOI

Supplementary language notes

  • Language:English
  • Summary in:English

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

Notes

  • The dilute magnetic semiconductors have promise in spin-based electronics applications due to their potential for ferromagnetic order at room temperature, and various unique switching and spin-dependent conductivity properties. However, the precise mechanism by which the transition-metal doping produces ferromagnetism has been controversial. Here we have studied a dilute magnetic semiconductor (5% manganese-doped gallium arsenide) with Bragg-reflection standing-wave hard X-ray angle-resolved photoemission spectroscopy, and resolved its electronic structure into element-and momentum-resolved components. The measured valence band intensities have been projected into element-resolved components using analogous energy scans of Ga 3d, Mn 2p, and As 3d core levels, with results in excellent agreement with element-projected Bloch spectral functions and clarification of the electronic structure of this prototypical material. This technique should be broadly applicable to other multi-element materials.

Subject headings and genre

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  • Gehlmann, MathiasLawrence Berkeley Natl Lab, Mat Sci Div, 1 Cyclotron Rd, Berkeley, CA 94720 USA;Univ Calif Davis, Dept Phys, 1 Shields Ave, Davis, CA 95616 USA;Forschungszentrum Julich, Peter Grunberg Inst PGI 6, D-52425 Julich, Germany (author)
  • Kuo, Cheng-TaiLawrence Berkeley Natl Lab, Mat Sci Div, 1 Cyclotron Rd, Berkeley, CA 94720 USA;Univ Calif Davis, Dept Phys, 1 Shields Ave, Davis, CA 95616 USA (author)
  • Lin, Shih-ChiehLawrence Berkeley Natl Lab, Mat Sci Div, 1 Cyclotron Rd, Berkeley, CA 94720 USA;Univ Calif Davis, Dept Phys, 1 Shields Ave, Davis, CA 95616 USA (author)
  • Schlueter, ChristophDiamond Light Source, Harwell Sci & Innovat Campus, Didcot OX11 0DE, Oxon, England;DESY, DESY Photon Sci, D-22603 Hamburg, Germany (author)
  • Mlynczak, EwaForschungszentrum Julich, Peter Grunberg Inst PGI 6, D-52425 Julich, Germany (author)
  • Lee, Tien-LinDiamond Light Source, Harwell Sci & Innovat Campus, Didcot OX11 0DE, Oxon, England (author)
  • Plucinski, LukaszForschungszentrum Julich, Peter Grunberg Inst PGI 6, D-52425 Julich, Germany (author)
  • Ebert, HubertLudwig Maximillian Univ, Dept Chem, D-81377 Munich, Germany (author)
  • Di Marco, IgorUppsala universitet,Materialteori,Asia Pacific Ctr Theoret Phys, Pohang 37673, South Korea(Swepub:uu)igodi229 (author)
  • Minar, JanUniv West Bohemia, New Technol Res Ctr, Plzen 30614, Czech Republic (author)
  • Schneider, Claus M.Univ Calif Davis, Dept Phys, 1 Shields Ave, Davis, CA 95616 USA;Forschungszentrum Julich, Peter Grunberg Inst PGI 6, D-52425 Julich, Germany (author)
  • Fadley, Charles S.Lawrence Berkeley Natl Lab, Mat Sci Div, 1 Cyclotron Rd, Berkeley, CA 94720 USA;Univ Calif Davis, Dept Phys, 1 Shields Ave, Davis, CA 95616 USA (author)
  • Lawrence Berkeley Natl Lab, Mat Sci Div, 1 Cyclotron Rd, Berkeley, CA 94720 USA;Univ Calif Davis, Dept Phys, 1 Shields Ave, Davis, CA 95616 USA;Lawrence Berkeley Natl Lab, Adv Light Source, 1 Cyclotron Rd, Berkeley, CA 94720 USA;Forschungszentrum Julich, Peter Grunberg Inst PGI 6, D-52425 Julich, GermanyLawrence Berkeley Natl Lab, Mat Sci Div, 1 Cyclotron Rd, Berkeley, CA 94720 USA;Univ Calif Davis, Dept Phys, 1 Shields Ave, Davis, CA 95616 USA;Forschungszentrum Julich, Peter Grunberg Inst PGI 6, D-52425 Julich, Germany (creator_code:org_t)

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  • In:Nature Communications: Springer Science and Business Media LLC92041-1723

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