Resistometric and Mössbauer studies on structural relaxation in (Ni,Fe)75Si10B15 metallic glasses
- 1 September 1990
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 68 (5) , 2091-2099
- https://doi.org/10.1063/1.346563
Abstract
The structural relaxation in (Ni,Fe)75Si10B15 metallic glasses has been studied by measuring resistivity changes and Mössbauer spectra. The sign and magnitude of resistivity changes due to the relaxation depend strongly on the Ni/Fe ratio. The isothermal resistivity changes fit well the nonlinear kinetic form, indicating that the fluctuation of local environments of Ni and Fe atoms is very large and Ni and Fe atoms in Ni‐Fe‐Si‐B metallic glasses are mobile compared with Co and Fe atoms in Co‐Fe‐Si‐B metallic glasses. The compositional dependence and kinetic parameters for reversible resistivity changes and Mössbauer spectra strongly support that the reversible structural relaxation corresponds to the reversible short‐range ordering between Ni and Fe atoms.This publication has 34 references indexed in Scilit:
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