Abstract:While lightly doped semiconductors are preferred for Schottky contacts, heavily doped semiconductors are preferred for Ohmic contacts. The upper limit of doping for Schottky contacts and the lower limit of doping for Ohmic contacts have not, however, been quantified. To address this problem, the influence of doping induced surface chemistry on the electrical characteristics of Schottky diodes has been studied. Hall measurement, current-voltage measurements, and transmission electron microscopy have been perfor… Show more
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