Pair correlations and interaction energies in FePd single crystal

  • T. Mehaddene
  • J. M. Sanchez
  • R. Caudron
  • M. Zemirli
  • V. Pierron-Bohnes
Article

Abstract.

Diffuse neutron scattering measurements were carried out in a FePd single crystal at 1020 K in the (100) and (110) reciprocal planes. The diffuse intensity is nearly symmetric, showing that the static displacements are small. A set of displacement and short-range order parameters have been fitted to the measured data using a least square procedure. The short-range order parameters have been used in conjunction with an inverse cluster variation method to deduce the pair interaction energies. A strong attractive interaction between second nearest-neighbour like atoms is found.

Keywords

Interaction Energy Variation Method Pair Interaction Pair Correlation Attractive Interaction 

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Copyright information

© Springer-Verlag Berlin/Heidelberg 2004

Authors and Affiliations

  • T. Mehaddene
    • 1
  • J. M. Sanchez
    • 2
  • R. Caudron
    • 3
    • 4
  • M. Zemirli
    • 5
  • V. Pierron-Bohnes
    • 6
  1. 1.Physik Department E13/FRM IITU MünchenGarchingGermany
  2. 2.Texas Materials InstituteUniversity of TexasAustinUSA
  3. 3.LEM (ONERA-CNRS)Châtillon/BagneuxFrance
  4. 4.Léon Brillouin Laboratory (CEA-CNRS)CEA-SaclayGif-sur-YvetteFrance
  5. 5.LPCQUniversité Mouloud MammeriTizi-OuzouAlgeria
  6. 6.IPCMSCNRS-ULPStrasbourg Cedex 2France

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