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The Influence of Interface Traps on the High Frequency and High Temperature Performance of SiC Field Effect Transistors
Published online by Cambridge University Press: 10 February 2011
Abstract
Fast and slow interface traps can considerably deteriorate the performance of field effect transistors. Slow interface traps, by slowly changing their charge occupancy, contribute to a drift in the quiescent operation point of the transistor, while fast traps deteriorate the device performance by contributing to both amplitude and phase current noise. They also result in a non-equilibrium surface depletion layer between gate and source which increases the gate-to-source parasitic resistance and deteriorates the device transconductance. We examine these different effects and present some preliminary data regarding interface traps in boron-doped 611-SiC.
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- Copyright © Materials Research Society 1996