Spatial distribution of vacancy defects in GaAs : Te wafers studied by positron annihilation
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Publication date
1997
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Trans Tech Publications Ltd
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Abstract
The radial vacancy distribution along a LEC-GaAs:Te wafer with an average free carrier concentration n = 1.5 x 10(18) cm(-3) was studied by means of positron lifetime spectroscopy. An M-shaped radial distribution of vacancy-like defects, most probably Te(As)V(Ga)(-), was observed.
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© Trans Tech Publications Ltd.
International Conference on Positron Annihilation (ICPA-11) (11. 1997. Kansas City, Missouri, USA).