Phys. Rev. Lett. 53, 1951–1953 (1984)Metallic Phase with Long-Range Orientational Order and No Translational Symmetry
See accompanying Physics Focus We have observed a metallic solid (Al-14-at.%-Mn) with long-range orientational order, but with icosahedral point group symmetry, which is inconsistent with lattice translations. Its diffraction spots are as sharp as those of crystals but cannot be indexed to any Bravais lattice. The solid is metastable and forms from the melt by a first-order transition. © 1984 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.53.1951
DOI:
10.1103/PhysRevLett.53.1951
PACS:
61.50.Em, 61.55.Hg, 64.70.Ew
See AlsoComment: Paul J. Steinhardt, Distinguishing a Quasicrystal from an Icosahedral Glass Via Lattice Imaging, Phys. Rev. Lett. 57, 2769 (1986). Comment: Peter W. Stephens and Alan I. Goldman, Stephens and Goldman Respond, Phys. Rev. Lett. 57, 2770 (1986). |
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