https://doi.org/10.1140/epjb/e2004-00231-9
Characterising and controlling surface defects
Departamento de Física de Materiales. Universidad
Complutense, 28040 Madrid, Spain
Corresponding author: a esther@material.fis.ucm.es
Received:
29
January
2004
Revised:
16
May
2004
Published online:
10
August
2004
The controlled production of surface defects by ion irradiation and nanoindentation techniques is discussed. The characterisation of novel types of defects is emphasized, among those: quasi two-dimensional dislocation dipoles following coalescence at the surface of the vacancies induced by the irradiation and `mesas' and `winding-loops' as dislocation configurations originated by nanoindentation. The relationship between the latter defects and the onset of crystal plasticity is examined.
PACS: 61.72.Ff – Direct observation of dislocations and other defects (etch pits, decoration, electron microscopy, X-ray topography, etc.) / 68.35.Gy – Mechanical properties; surface strains / 61.72.Bb – Theories and models of crystal defects
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2004
