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PROBING THEMn3+SUBLATTICE INLa0.5Ca0.5MnO3BY RESONANT INELASTIC SOFT X-RAY SCATTERING AT THE MnL2,3EDGE

Author

Listed:
  • S. M. BUTORIN

    (Department of Physics, Uppsala University, Box 530, S-751 21 Uppsala, Sweden)

  • C. SÅTHE

    (Department of Physics, Uppsala University, Box 530, S-751 21 Uppsala, Sweden)

  • F. SAALEM

    (Department of Physics, Uppsala University, Box 530, S-751 21 Uppsala, Sweden)

  • J. NORDGREN

    (Department of Physics, Uppsala University, Box 530, S-751 21 Uppsala, Sweden)

  • X.-M. ZHU

    (Department of Experimental Physics, University of Umeå, S-901 87 Umeå, Sweden)

Abstract

Resonant soft X-ray scattering spectra of aLa0.5Ca0.5MnO3thin film were measured at varying energies of the incident photon beam across Mn2pthresholds. The data are analyzed within the framework of the Anderson impurity model and full multiplet theory. The scattering profiles of the film are reasonably well reproduced by model calculations for theMn3+system, in contrast to the absorption spectrum at the MnL2,3edge for which the contribution of theMn4+sublattice is required to be taken into account. The obtained agreement between calculations and experiment indicates that in this case resonant inelastic scattering mainly probes the local electronic structure at theMn3+sites in theLa0.5Ca0.5MnO3film. In turn,Mn4+sites mainly contribute to ordinaryLα,βX-ray emission due to relaxations in the intermediate state of the spectroscopic process. Such a situation can occur when the system favors a phase separation rather than checkerboard charge ordering ofMn3+andMn4+sites.

Suggested Citation

  • S. M. Butorin & C. Såthe & F. Saalem & J. Nordgren & X.-M. Zhu, 2002. "PROBING THEMn3+SUBLATTICE INLa0.5Ca0.5MnO3BY RESONANT INELASTIC SOFT X-RAY SCATTERING AT THE MnL2,3EDGE," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 9(02), pages 989-992.
    • Handle: RePEc:wsi:srlxxx:v:09:y:2002:i:02:n:s0218625x02003196
    DOI: 10.1142/S0218625X02003196
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