Abstract
ABSTRACTLaser annealed refractory metal gates and Ohmic contacts have been developed for GaAs FETs and HEMTs fabricated on MBE layers grown on laser desorbed substrates. Amorphous refractory metal silicide films were sputter deposited by a method in which the RF power to separate refractory metal and silicon targets were set at predetermined deposition ratesand the substrates were rotated with respect to the sputter targets receiving a 0.2 to 0.5 nm film on each pass. The gate resistance was reduced and Ohmic contacts formed by pulsed excimer laser annealing.
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