Resonant photoemission at the 2p edge in compounds containing Mn with different valences

MC Richter, JM Mariot, O Heckmann, Lisbeth Kjeldgaard, BS Mun, CS Fadley, K Hricovini

Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceedingpeer-review

Abstract

We have investigated the Raman-Auger crossover of the Mn 2p non-radiative decays in bulk MnO. For the highest kinetic energy transition in the Mn 2p3p3p decay, Raman behaviour is observed up to approximate to 3.4 eV above the resonance energy (maximum of the L-3 absorption). In the case of the 2p3p3d and 2p3d3d transitions a similar situation occurs up to approximate to 5 eV above the resonance energy. We compare these results to those obtained on a thin MnO layer deposited on Cu, on bulk Mn and on La0.7Sr0.3MnO3. The results are discussed in terms of the screening dynamics of the Mn 2p core hole and of the metallic/insulating character of the material. (c) 2005 Elsevier B.V. All rights reserved.
Original languageEnglish
Title of host publicationSynchrotron Radiation and Materials Science - Proceedings of the E-MRS 2005 Symposium O on Synchrotron Radiation and Materials Science (Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms)
PublisherElsevier
Pages184-188
Volume246
DOIs
Publication statusPublished - 2006
EventE-MRS 2005 Symposium O on Synchrotron Radiation and Materials Science - Strassbourg, France
Duration: 2005 May 312005 Jun 3

Publication series

Name
Number1
Volume246
ISSN (Print)0168-583X

Conference

ConferenceE-MRS 2005 Symposium O on Synchrotron Radiation and Materials Science
Country/TerritoryFrance
CityStrassbourg
Period2005/05/312005/06/03

Subject classification (UKÄ)

  • Physical Sciences
  • Natural Sciences

Free keywords

  • Raman-Auger crossing
  • resonant photoemission
  • Mn 2p core hole-
  • bulk
  • LSMO
  • MnO
  • Mn

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