PL Studies of Nanostructured Layers in Temperature - Pressure Treated Silicon Implanted with Helium

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Abstract:

The effect of annealing under enhanced hydrostatic pressure (HT-HP treatment) on the structural evolution of nano-structured buried He-enriched layers in silicon was investigated by photoluminescence and TEM methods. It has been stated that the HT-HP treatment can affect the defect structure of nano-structured He-containing layer. Enhanced creation of helium bubbles during the HP-HT treatment takes place at HT £ 600oC. Annealing at HT ³ 800oC results in the accumulation (gettering) of oxygen atoms in the He implanted layer in Czochralski grown silicon. HP treatment stimulates this effect.

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Solid State Phenomena (Volumes 99-100)

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255-258

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July 2004

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© 2004 Trans Tech Publications Ltd. All Rights Reserved

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