With enhanced doping in the semiconductor, the width of the depletion location drops. Down below a certain width, the cost carriers can tunnel throughout the depletion location. At quite higher doping levels, the junction does not behave as a rectifier anymore and turns into an ohmic contact. This may be https://sic-schottky-diode-manufa51818.dm-blog.com/12806889/silicon-carbide-diodes-fundamentals-explained