Ranganathan, S. ; Subramaniam, Anandh ; Ramakrishnan, K. (2001) Rational approximant structures to decagonal quasicrystals Materials Science and Engineering A, 304-306 . pp. 888-891. ISSN 0921-5093
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S09215...
Related URL: http://dx.doi.org/10.1016/S0921-5093(00)01635-X
Abstract
We have shown earlier that the decagonal quasicrystalline phase can be derived by the twinning of the icosahedral cluster about the five-fold axis by 36° . It is shown here that in a similar fashion, the rational approximant structures (RAS) to the decagonal quasicrystal can be constructed by the twinning of RAS to the icosahedral quasicrystalline phase. The twinning of the Mackay (cubic) type RAS leads to the Taylor (q1/p1, q1/p1) phases, while the twinning of the orthorhombic Little phase leads to the Robinson (q1/p1, q2/p2) approximants to the decagonal quasicrystal. With increasing order of q1/p1 or q2/p2, we approach the digonal quasicrystal with one-dimensional quasiperiodicity.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Rational Approximant Structures (RAS); Quasicrystalline Phase; Taylor and the Robinson Phases |
| ID Code: | 42066 |
| Deposited On: | 01 Jun 2011 14:17 |
| Last Modified: | 01 Jun 2011 14:17 |
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