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X-ray diffraction patterns for the as-spun Cu–Zr metallic glasses and as-cast and BMG rods.
EXAFS spectra in space and space for as-spun Cu–Zr metallic glasses. Full curves denote experimental measurements; dotted curves are the result of the fit using the model described in the text. (a) and (b) at the Cu edge; (c) and (d) at the Zr edge.
Icosahedral models for EXAFS simulation. Small spheres are Cu atoms and large spheres are Zr atoms. (a) Cu at center position for simulation of Cu -edge spectra; (b) Zr at center position for simulation of Zr -edge spectra.
EXAFS results. is the coordination number, , where and are Cu and/or Zr, is the interatomic distance, and is the mean-square relative displacement. In order to minimize the number of parameters, a single energy shift was varied for each absorption edge.
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