Short range order in disordered Ni–Mn alloys by EXAFS

A new method of determination of the nearest-neighbor (1NN) coordination numbers for binary disordered alloys is proposed. The method is reduced to the solution of the system of linear algebraic equations for the partial coordination numbers. As input data we use 1NN partial interatomic distances ob...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2000-06, Vol.448 (1), p.364-367
Main Authors: Babanov, Yu.A, Ryazhkin, A.V, Miyanaga, T, Okazaki, T, Sidorenko, A.F, Fadyushina, N.V
Format: Article
Language:English
Subjects:
EXAFS
Structure of disordered alloys
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Summary:A new method of determination of the nearest-neighbor (1NN) coordination numbers for binary disordered alloys is proposed. The method is reduced to the solution of the system of linear algebraic equations for the partial coordination numbers. As input data we use 1NN partial interatomic distances obtained independently for each EXAFS spectrum in binary alloy and the Debye–Waller factors. Coordination numbers and interatomic distances for 75 and 80 at% Ni–Mn alloys in ordered and disordered states are presented.
ISSN:0168-9002
1872-9576
DOI:10.1016/S0168-9002(99)00713-5