THE PASSIVATION PROPERTY OF AlOxTHIN FILM DEPOSITED BY LMW-PECVD
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Abstract
AlOxthin film have been synthesized on p-Si substrates via linear micro wave plasma enhanced chemical vapor deposited system.The obtained samples were characterized by SEM、Elliptical polarization instrument and Lifetime measuring device.The experimental results show that thickness and refractivity of AlOxthin film has influenced on passivation property in p-Si.The thickness from 20 nm to 25 nm and refractivity from 1.6 to 1.65 of AlOx thin film has perfect passivation property.The impact of Annealing on AlOxthin film was complex,but the best annealing temperature has arised from 350℃ to 400℃.
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