Gallium‐nitride‐based devices on silicon
2003
GaN devices on Si are interesting for low-cost, high-power devices as LEDs and FETs. Until recently, most LED and FET devices suffered from cracking and low output power and additionally, from high series resistances for vertically contacted LEDs. Here, we give a brief overview on state of the art crack-free, bright LEDs with an output power up to 0.42 mW and AlGaN/GaN FETs with an output power of 2.5 W/mm at 2 GHz. (© 2003 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
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