1987
DOI: 10.1051/rphysap:0198700220110132700
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Dislocations and plasticity in semiconductors. II. The relation between dislocation dynamics and plastic deformation

Abstract: Overview article Résumé. 2014 Dans cette seconde partie on examine le comportement mécanique des semi-conducteurs élémentaires (ESC) et composés III-V (CSC). La forte influence de la température sur la courbe contraintedéformation est rappelée et l'accent est mis sur le lien entre la limite élastique inférieure et la mobilité des dislocations aux températures moyennes. Dans Si, une prédéformation bien choisie conduit à une situation très favorable où l'on peut mesurer à la fois la densité des dislocations mobi… Show more

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Cited by 102 publications
(41 citation statements)
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References 64 publications
(80 reference statements)
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“…It should be noted, however, that beyond this temperature range there is a certain deviation from the Arrhenian behavior. At higher temperatures an increase of the activation energy is observed, which is explained either by the change of the self-diffusion mechanism [79,137,138] or by the effect of dislocationÀdislocation interactions [139]. At lower temperatures both activation energy and yield stress become lower than predicted by Eq.…”
Section: Dislocations In Silicon: Mobilitymentioning
confidence: 81%
“…It should be noted, however, that beyond this temperature range there is a certain deviation from the Arrhenian behavior. At higher temperatures an increase of the activation energy is observed, which is explained either by the change of the self-diffusion mechanism [79,137,138] or by the effect of dislocationÀdislocation interactions [139]. At lower temperatures both activation energy and yield stress become lower than predicted by Eq.…”
Section: Dislocations In Silicon: Mobilitymentioning
confidence: 81%
“…At higher strain the τ − γ curves exhibit the classical three successive stages of hardening of FCC materials that is observed in elemental semiconductors [107], as well as CdTe [108]. A voltage, applied during the deformation, affects the plasticity of p-type Hg 0.8 Cd 0.2 Te.…”
Section: General Features Of Stress-stain Curves and Yield Stressmentioning
confidence: 96%
“…This means that large elastic energy is stored in such a superlattice [1]. Although the mechanical behaviour of bulk III-V semiconducting materials has been extensively investigated as reviewed by Rabier and George [2], much less is known on the behaviour of superlattices. For such investigations, the achievement of nanoindentation techniques has proved to be very useful, as sub-micron tests adapted to superlattices can be performed [3].…”
Section: Introductionmentioning
confidence: 99%