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K-edge resonant x-ray magnetic scattering from a transition-metal oxide: NiO

Hill, JP; Kao, CC; McMorrow, DF; (1997) K-edge resonant x-ray magnetic scattering from a transition-metal oxide: NiO. PHYS REV B , 55 (14) R8662 - R8665.

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Abstract

We report the observation of resonant x-ray magnetic scattering in the vicinity of the Ni K edge in the antiferromagnet NiO. An approximately twofold increase in the scattering is observed as the incident photon energy is tuned through a pre-edge feature in the absorption spectrum, associated with quadrupolar (1s-->3d) transitions. No enhancement is observed at the dipolar (1s-->4p) maximum. The quadrupolar resonant scattering amplitude is estimated to be similar to 0.01r(0).

Type: Article
Title: K-edge resonant x-ray magnetic scattering from a transition-metal oxide: NiO
Keywords: EXCHANGE SCATTERING, POLARIZATION
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology
URI: http://discovery.ucl.ac.uk/id/eprint/60096
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