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The electronic structure of GdN from x-ray spectroscopy. Andrew Preston andrew@preston.co.nz Department of Physics Boston University. NML at BU. Co-authors. Ben Ruck , Joe Trodahl Victoria University of Wellington, New Zealand Walter Lambrecht Case Western Reserve James Downes

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the electronic structure of gdn from x ray spectroscopy

The electronic structure of GdN from x-ray spectroscopy

Andrew Preston

andrew@preston.co.nz

Department of Physics

Boston University

co authors
Co-authors
  • Ben Ruck, Joe Trodahl
    • Victoria University of Wellington, New Zealand
  • Walter Lambrecht
    • Case Western Reserve
  • James Downes
    • Macquari University, Australia
  • Louis Piper, Kevin Smith
    • Boston University
overview
Overview
  • High quality thin films
  • Temperature dependant
  • X-ray at the N K- and GdM-edges
    • Absorption
    • Emission
    • Resonant emission
slide5
GdN
  • Half-filled 4f shell
  • Phys. Rev. B 73, 235335 (2006)
    • Semiconducting
    • Ferromagnetic 70 K
  • Phys. Rev. B 76, 085211 (2007)
    • Optical redshift
  • J. Appl. Phys. 106, 063910 (2009)
    • Epitaxial GdN
    • n ~ 4 x 1020 cm-3
    • Negative magnetoresistance
    • YSZ capping layer
thanks
Thanks
  • Appl. Phys. Lett. submitted