Abstract
An ensemble Monte Carlo simulation has been used to model bulk electron transport at 300 K for both the natural wurtzite and the zincblende lattice phases of GaN . Electronic states within the conduction band are represented by non-parabolic ellipsoidal valleys centred on important symmetry points of the Brillouin zone, but for zincblende GaN , the simpler spherical parabolic band approximation has also been tested, for comparison. In the case of wurtzite GaN , transport has been modeled with an electric field applied both parallel and perpendicular to the (0001) c-axis. The steady state velocity-field characteristics are in fair agreement with other recent calculations.
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