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Maskless Formation of Tungsten Films by Ion Beam Assisted Deposition Technique
Published online by Cambridge University Press: 21 February 2011
Abstract
W films were deposited on n-GaAs by ion beam assisted deposition technique using low energy H2+ and Ar+, and film properties and residual damage in the substrate were investigated by measuring X-ray photoemission, current-voltage characteristics and deep level transient spectroscopy. Films with a resistivity of 1O−5 ohm·cm were formed. It was observed that damage can be reduced using the low energy beams and that Schottky contacts with n-factor of almost 1 and barrier height of 0.88 eV were formed.
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- Copyright © Materials Research Society 1990