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A highly ordered non-crystalline metallic phase



Gabrielle G. Long, Karena Chapman, Peter Chupas, Leonid A. Bendersky, Lyle E. Levine, Frederic Mompiou, John W. Cahn, Judith K. Stalick


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.
Physical Review Letters


metallic glass, ordering, phase transformation, pair distribution function analysis, X-ray scattering, Al-Fe-Si


Long, G. , Chapman, K. , Chupas, P. , Bendersky, L. , Levine, L. , Mompiou, F. , Cahn, J. and Stalick, J. (2013), A highly ordered non-crystalline metallic phase, Physical Review Letters, [online], (Accessed June 18, 2024)


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Created July 5, 2013, Updated February 19, 2017