Local structure of amorphous Zr70Pd30 alloy studied by electron diffraction

T. Takagi, T. Ohkubo, Y. Hirotsu, B. S. Murty, K. Hono, D. Shindo

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97 Citations (Scopus)

Abstract

The structures of melt-spun, and subsequently annealed, Zr70Pd10 alloys, which form a nanosized icosahedral quasicrystalline phase during the primary crystallization of the amorphous phase, have been investigated by means of electron-diffraction pair-distribution-function (PDF) analysis. The PDF analysis for this alloy was performed by precise measurements of elastic halo-electron-diffraction intensities. Possible structure models for as-quenched and annealed amorphous structures were constructed with the help of reverse Monte Carlo simulations. In order to obtain the local atomic structures, the Voronoi-polyhedra analysis was performed. A considerable number of icosahedral clusters with Zr atoms in the center are present in the simulated structure of the as-quenched state, and the number of the clusters increases by annealing.

Original languageEnglish
Pages (from-to)485-487
Number of pages3
JournalApplied Physics Letters
Volume79
Issue number4
DOIs
Publication statusPublished - 2001 Jul 23

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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