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Magnetic effects in the band structure of ferromagnetic and antiferromagnetic lanthanide-metal films

  • C. Schüßler-Langeheine
  • , E. Weschke
  • , Holger Ott
  • , A. Yu Grigoriev
  • , A. Möller
  • , R. Meier
  • , Chandan Mazumdar
  • , G. Kaindl
  • Freie Universität Berlin
  • St. Petersburg State University

Publikation: Beitrag in FachzeitschriftArtikelForschungBegutachtung

Abstract

Systematic magnetic effects in the band structure of the heavy lanthanide metals Gd, Tb, Dy, and Ho were studied by angle-resolved photoemission from epitaxial films. The temperature-dependent exchange splitting exhibits a different behavior for delocalized and localized band states. For the delocalized Δ2 bulk band states, a Stoner-like temperature dependence of the splitting is observed in ferromagnetic and helical antiferromagnetic phases. A more localized oxygen-induced surface state shows a temperature-independent contribution to the splitting. All observed magnetic splittings scale with the 4f spin moment.
OriginalspracheEnglisch
Seiten (von - bis)795-799
Seitenumfang5
FachzeitschriftJournal of electron spectroscopy and related phenomena
Jahrgang2021
AusgabenummerVolumes 114–116, March
DOIs
PublikationsstatusVeröffentlicht - März 2001
Extern publiziertJa
Veranstaltung8th International Conference on Electronic Spectroscopy and Structure (ICESS-8) - Berkeley, CA, USA
Dauer: 8 Aug. 200012 Aug. 2000

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