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New method based on atomic force microscopy for in-depth characterization of damage in Si irradiated with 209 MeV Kr

 

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Nuclear instruments and methods in physics research, Section B. Beam interactions with materials and atoms 122 (1997), pp.559-562
ISSN: 0168-583X
English
Journal Article
Fraunhofer IIS B ( IISB) ()
atomic force microscopy; ion beam irradiation; silicium defect

Abstract
Si was irradiated with 209 MeV Kr ions on an (010) oriented surface. Then atomic force microscopy (AFM) was used to measure the roughness on the adjacent (100) plane (the original wafer surface). The distance on this later plane is called "depth" as measured from the (010)/(100) edge. Good agreement is found in projected range values between AFM, spreading resistance (SR) data, and Monte Carlo (TRIM) simulation. Four distinct damage zones are found: zone A, dominated by electronic stopping effects; zone B, electronically assisted elastic collisions; zone C, dominant nuclear stopping; and zone D, defects created by the channeled fraction of the beam.

: http://publica.fraunhofer.de/documents/PX-26192.html