Phason—Phonon-assisted epitaxy at icosahedral—decagonal interfaces in Al—Pd—Mn quasicrystals
- 1 January 1993
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine Letters
- Vol. 67 (1) , 35-41
- https://doi.org/10.1080/09500839308240488
Abstract
Platelets of the Al—Pd—Mn decagonal phase have been observed to grow in epitaxy on the icosahedral modification of the same system. A resulting strain field in the icosahedral phase has been characterized using high-resolution electron microscopy. It appears that one fivefold axis is preserved, in coincidence with the tenfold axis of the decagonal phase. In the particular case of a thin icosahedral-phase domain squeezed in between two decagonal-phase platelets, the strain field can be qualitatively analysed in terms of combined phason–phonon strain fields.Keywords
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