Eur. Phys. J. AP
Volume 20, Number 1, October 2002
|Page(s)||3 - 8|
|Section||Semiconductors and Devices|
|Published online||01 October 2002|
An analysis of elementary dislocations in icosahedral Al-Pd-Mn by Large Angle Convergent-Beam Electron Diffraction (LACBED)
CEMES-CNRS, 29 rue Jeanne Marvig, BP 4347, 31055 Toulouse Cedex 4, France
2 Laboratoire de Métallurgie Physique et Génie des matériaux (UMR CNRS 8517) , USTL, 59655 Villeneuve d'Ascq, France
3 LEM-CNRS/Onera (UMR 104) , 29 avenue de la Division Leclerc, 92322 Châtillon Cedex, France
Corresponding author: email@example.com
Revised: 12 April 2002
Accepted: 17 July 2002
Published online: 1 October 2002
Large Angle Convergent Beam Electron Diffraction (LACBED) experiments on dislocations located in the mirror planes of icosahedral AlPdMn single grains show that – as previously inferred from standard image contrast technique – the direction of the Burgers vector is perpendicular to the mirror plane of movement, thus confirming the fact that climb should be an important process for the plasticity mechanisms in icosahedral quasicrystals.
PACS: 61.44.Br – Quasicrystals / 61.72.Ff – Direct observation of dislocations and other defects
© EDP Sciences, 2002
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