Mukhopadhyay, N K and Chattopadhyay, K and Ranganathan, S (1996) Ordering transformation in icosahedral quasicrystals and related crystalline phases. Bulletin of Materials Science, 19 (5). pp. 717-723.
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Abstract
Arcs of diffuse intensity appear in various shapes and positions in the diffraction patterns from the icosahedral phase, violating the parity rule for simple icosahedral (SI) symmetry. In the process of annealing treatment, the diffuse spots also evolve in the centre of the arcs and become sharp. These extra diffuse spots change the symmetry of the quasilattice from P-type to F-type. The ordered and disordered structures in quasicrystal have been linked to the ordered and disordered structures present in the crystalline alpha (Al-Mn-Si) and alpha (Al-Fe-Si) alloys.
| Item Type: | Article |
|---|---|
| Official URL/DOI: | http://www.nmlindia.org |
| Uncontrolled Keywords: | Quasicrystals; rational approximants; ordering |
| Divisions: | Metal Extraction and Forming |
| ID Code: | 1038 |
| Deposited By: | Sahu A K |
| Deposited On: | 15 Jun 2010 12:40 |
| Last Modified: | 25 Jan 2012 11:27 |
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