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Elastic Core Effect in Isovalent Solid Solutions

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EXAFS and Near Edge Structure

Part of the book series: Springer Series in Chemical Physics ((CHEMICAL,volume 27))

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Abstract

The elastic core effect (i.e. the change of the nearest-neighbour distance b around a solute atom) has been measured in three aluminium alloys [1]. This relaxation of the crystal around the substitutionnal site drives the macroscopic effect which is the change of lattice parameter a. According to Vegard’s law, at least for low concentrations c, the dependence on c is linear. Using the slope (da/ac) we may calculate the host-solute interatomic distance (b+δbCM) via an elastic theory which treats the host crystal as an elastic continuous medium (C.M.) [2,3].

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References

  1. D. Raoux, A. Fontaine, P. Lagarde, A. Sadoc, Phys. Rev. B24, 10, 5547, (1981)

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  2. J. Friedel, Phil.Mag., 46, 514, (1955)

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  3. J.D. Eshelby, Sol.State Phys., 3, 79, (1956)

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  4. G. Martens, P. Rabe, N. Schwentner, A. Werner, Phys.Rev.B17, 1481, (1978)

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Author information

Authors and Affiliations

  1. L.U.R.E., Bât. 209c, F-91405, Orsay-Cedex, France

    Aldo Craievich, Elisabeth Dartige, Alain Fontaine & Denis Raoux

  2. CBPF, Av. Wenceslau Bras 71, Rio de Janeiro, Brazil

    Aldo Craievich

  3. Lab. Phys. Solides, Bât. 510, F-91405, Orsay-Cedex, France

    Elisabeth Dartige, Alain Fontaine & Denis Raoux

Authors
  1. Aldo Craievich
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  2. Elisabeth Dartige
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  3. Alain Fontaine
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  4. Denis Raoux
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Editor information

Editors and Affiliations

  1. Dipartimento di Fisica, Università di Roma, La Sapienza, P. Aldo Moro 2, I-00185, Roma, Italy

    Antonio Bianconi

  2. Laboratori Nazionali di Frascati, PULS-CNR, P.O. Box 13, I-00044, Frascati, Italy

    Lucia Incoccia

  3. Laboratori Nazionali di Frascati, INFN, P.O. Box 13, I-00044, Frascati, Italy

    Stanislao Stipcich

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© 1983 Springer-Verlag Berlin Heidelberg

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Craievich, A., Dartige, E., Fontaine, A., Raoux, D. (1983). Elastic Core Effect in Isovalent Solid Solutions. In: Bianconi, A., Incoccia, L., Stipcich, S. (eds) EXAFS and Near Edge Structure. Springer Series in Chemical Physics, vol 27. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-50098-5_60

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  • DOI: https://doi.org/10.1007/978-3-642-50098-5_60

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-50100-5

  • Online ISBN: 978-3-642-50098-5

  • eBook Packages: Springer Book Archive

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