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Slip Patterns and Slip Modes Under Knoop Indentations on (001) GaAs

Published online by Cambridge University Press:  28 February 2011

C-D Qin  and
S.C. Roberts
C-D Qin
Affiliation:
Department of Metallurgy and Science of Materials, University of Oxford, Parks Road, Oxford, OX1 3PH, United Kingdom
S.C. Roberts
Affiliation:
Department of Metallurgy and Science of Materials, University of Oxford, Parks Road, Oxford, OX1 3PH, United Kingdom
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Abstract

Slip patterns around <110> Knoop indentations on <001> GaAs were investigated by cross-sectioning, etching and TEM. The roles of As(g) and Ga(g) perfect and partial dislocations in different parts of the “plastic zone” were investigated. A dislocation free zone was found under indentations.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 138: Symposium Q – Characterization of the Structure and Chemistry of Defects in Materials , 1988 , 491
Copyright
Copyright © Materials Research Society 1989

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