title: Highly ordered noncrystalline metallic phase.
abstract: We report the characterization of a unique metallic glass that, during rapid cooling of an Al-Fe-Si melt, forms by nucleation, followed by growth normal to 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, noncrystalline solid, possessing no long-range translational symmetry.
authors.affiliation: X-Ray Science Division, Argonne National Laboratory, Argonne, Illinois 60439, USA. gglong@aps.anl.gov
authors.forename: Gabrielle G
authors.initials: GG
authors.lastname: Long
authors.forename: Karena W
authors.initials: KW
authors.lastname: Chapman
authors.forename: Peter J
authors.initials: PJ
authors.lastname: Chupas
authors.forename: Leonid A
authors.initials: LA
authors.lastname: Bendersky
authors.forename: Lyle E
authors.initials: LE
authors.lastname: Levine
authors.forename: Frédéric
authors.initials: F
authors.lastname: Mompiou
authors.forename: Judith K
authors.initials: JK
authors.lastname: Stalick
authors.forename: John W
authors.initials: JW
authors.lastname: Cahn