Modes of kink motion on dislocations in semiconductors

Modes of kink motion on dislocations in semiconductors

Analysis is given of the changes of dislocation motion modes with stress and temperature variation. Different regimes of dislocation kink pair formation and spreading (motion in the random potential, in the field of random forces, the quasi-localization) are considered. Discrepancies are discussed b...

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Veröffentlicht in:Scripta materialia 2001-12, Vol.45 (11), p.1239-1246
Hauptverfasser: Iunin, Yu.L, Nikitenko, V.I
Format: Artikel
Sprache:eng
Schlagworte:
Dislocations mobility
Elemental semiconductors
Semiconductor alloys
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Beschreibung
Zusammenfassung:Analysis is given of the changes of dislocation motion modes with stress and temperature variation. Different regimes of dislocation kink pair formation and spreading (motion in the random potential, in the field of random forces, the quasi-localization) are considered. Discrepancies are discussed between the theory and experimental data on dislocation velocities.
ISSN:1359-6462
1872-8456
DOI:10.1016/S1359-6462(01)01156-3