On the variety of electron diffraction patterns from quasicrystals

Chattopadhyay, K. ; Lele, S. ; Prasada, R. ; Ranganathan, S. ; Subbanna, G. N. ; Thangaraj, N. (1985) On the variety of electron diffraction patterns from quasicrystals Scripta Metallurgica, 19 (11). pp. 1331-1334. ISSN 0036-9748

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Official URL: http://dx.doi.org/10.1016/0036-9748(85)90061-4

Related URL: http://dx.doi.org/10.1016/0036-9748(85)90061-4


A new exciting era in the study of rapidly solidified alloys has been ushered in by the discovery of a quasicrystalline phase in an Al-10%Mn alloy by Shechtman et al. (l). The fact that a quasicrystal diffracts electrons and X-rays like a single crystal provides a powerful approach for exploring the atomic configuration in these alloys. Shechtman et al deduced the icosahedral point group symmetry exhibited by quasicrystals on the basis of a set of three electron diffraction patterns showing 5-fold, 3-fold and 2-fold axes of symmetry with appropriate angular relationships. The exotic crystallography of quasicrystals has been recently reviewed by Nelson and Halperin (2).

Item Type:Article
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ID Code:6611
Deposited On:22 Oct 2010 06:29
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