Abstract:In this work, in order to obtain breakdown voltage values of the 4H-SiC p-i-n diodes above 1.7kV, three designs have been examined: single-zone junction termination extention (JTE), double-zone JTE and a structure with concentric rings outside each of the areas of the double-zone JTE (space-modulated JTE). The influence of geometry and the level of p-type doping in the JTE area as well as the charge at the interface between the p-type JTE area and the passivation layer on the diode breakdown voltage was studie… Show more
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