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Smit, G.D.J. (author), Rogge, S. (author), Klapwijk, T.M. (author)A generally applicable model is presented to describe the potential barrier shape in ultrasmall Schottky diodes. It is shown that for diodes smaller than a characteristic length lc (associated with the semiconductor doping level) the conventional description no longer holds. For such small diodes the Schottky barrier thickness decreases with...journal article 2002