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Apport des techniques EXAFS et apparentées a la determination de l'ordre local: application a la tribologie

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Lopez J., Le Bossé J., Hansali G., Belin M., Martin J.

Acta Physica Polonica A

1993

vol. 83

issue 5

551-566

CONTRIBUTION OF EXAFS-LIKE TECHNIQUES TO THE DETERMINATION OF LOCAL ORDER: APPLICATION TO TRIBOLOGY: The determination of local order at atomic scale becomes more and more fundamental for understanding superficial phenomena such as tribology and catalysis. Among a few techniques available in this field, we are only concerned with the EXAFS-like ones (EXAFS, SEXAFS, EXELFS, SEELFS, etc.). The difficulties appearing all along the numerical treatment of such spectra are carefully analysed and a methodology is proposed in view to obtain reliable radial distribution functions. Some applications of these techniques are presented in two fields connected with tribology: friction induced amorphisation in high vacuum and characterization of interfacial solid bodies created during a wear process including an antiwear additive.

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1 Acta Physica Polonica A

1 1993

1 Belin M.

1 Hansali G.

1 Le Bossé J.

1 Lopez J.

1 Martin J.

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Apport des techniques EXAFS et apparentées a la determination de l'ordre local: application a la tribologie