Sy. Davydov et al., The contact of metal with silicon carbide: Schottky barrier height in relation to SiC polytype, SEMICONDUCT, 35(12), 2001, pp. 1375-1377
The results obtained in measuring the Schottky barrier height Phi (n)(b) fo
r a chromium contact with 8H-, 6H-, 15R-, 27R- and 4H-SiC silicon carbide p
olytypes with n-type conduction are analyzed in terms of a simple model. It
is shown that the Phi (n)(b) value is proportional to the concentration of
silicon vacancies in the polytypes. The results of Phi (n)(b) measurements
for palladium and platinum contacts to silicon carbide polytypes are discu
ssed. (C) 2001 MAIK "Nauka/Interperiodica".