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Since Cree, Inc.'s 2nd generation 4H-SiC MOSFETs were commercially released with a specific on-resistance (RON, SP) of 5 mΩ·cm2 for a 1200 V-rating in early 2013, we have further optimized the device design and fabrication processes as well as greatly expanded the voltage ratings from 900 V up to 15 kV for a much wider range of high-power, high-frequency, and high-voltage energy-conversion and transmission...
A new 60 A, 4.5 kV SiC JBS diode is presented, and its performance is compared to a Si PiN diode used as the antiparallel diode for 4.5 kV Si IGBTs. The I-V, C-V, reverse recovery, and reverse leakage characteristics of both diode types are measured. The devices are also characterized as the anti-parallel diode for a 4.5 kV Si IGBT using a recently developed high-voltage, double-pulse switching test...
The chemisorbed state of benzene on Si(100)-(2 1) has been studied using a cluster model and semi-empirical PM3 calculations. Starting from four different initial sites as the possible adsorption sites, the most stable structure is obtained as the adsorption at the pedestal site, where one benzene molecule interacts with two silicon dimers of the surface. This stable adsorption of benzene on the...
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