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Electron diffraction studies of variable periodicity in decagonal quasicrystals in aluminium-cobalt alloys

Tendeloo, Van G and Menon, J and Singh, A and Ranganathan, S (1989) Electron diffraction studies of variable periodicity in decagonal quasicrystals in aluminium-cobalt alloys. In: Phase Transitions, 16 (1-4). pp. 59-65.

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Abstract

The reciprocal space vectors of the decagonal phase can be generated by a slight distortion of the basis vectors of a regular icosahedron to induce commensuration in one dimension. In different alloys a multiple of this basic periodicity has been observed. In particular, in Al-Co alloys, apart from the basic periodicity, doubling, tripling and quadrupling of this basic underlying periodicity has been observed. Stereographic analysis, simulation and experimental observation of electron diffraction patterns have been used to explore the nature of this varying periodicity in detail.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Taylor and Francis.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 03 Jan 2008
Last Modified: 27 Aug 2008 13:09
URI: http://eprints.iisc.ernet.in/id/eprint/12838

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