Comparative models for diffusion of implanted beryllium in gallium arsenide

作者: S Koumetz , J-C Pesant , C Dubois

DOI: 10.1088/0953-8984/18/22/L02

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摘要: The diffusion of implanted Be in GaAs at 100 keV for doses 1 × 1013 cm−2 and 1014 cm−2 has been investigated. observed secondary ion mass spectrometry profiles, obtained annealing temperatures 700–900 °C anneal times from 60 to 240 s, were simulated using different models the kick-out mechanism taking into account 'plus one' approach Ga self-interstitial generation after implantation as well local sink phenomenon. differential equations mobile species with initial boundary conditions solved numerically each model by explicit finite-difference method.

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