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Publication Citation: A highly ordered non-crystalline metallic phase

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Author(s): Gabrielle G. Long; Karena Chapman; Peter Chupas; Leonid A. Bendersky; Lyle E. Levine; Frederic Mompiou; John W. Cahn; Judith K. Stalick;
Title: A highly ordered non-crystalline metallic phase
Published: July 05, 2013
Abstract: We report the characterization of an ordered non-crystalline isotropic metallic solid that, during rapid cooling of an Al-Fe-Si melt, forms by nucleation, followed by growth along a moving interface between the solid and melt with partitioning of the chemical elements. We determine experimentally that this is not a polycrystalline composite with nanometer sized grains, and conclude that this may be a new kind of structure: an atomically ordered, isotropic, non-crystalline solid, possessing no long-range translational symmetry.
Citation: Physical Review Letters
Volume: 111
Pages: 4 pp.
Keywords: metallic glass; ordering; phase transformation; pair distribution function analysis, X-ray scattering; Al-Fe-Si
Research Areas: Materials Science
PDF version: PDF Document Click here to retrieve PDF version of paper (891KB)