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Planar nano-diodes fabricated on an AlGaN/GaN heterolayer have been measured, showing capability to detect microwave signals up to 43.5 GHz at room temperature. A single nano-diode with length L=1000 nm and width W=74 nm provides a response of approximately 55 mV DC output for a 0 dBm nominal input power at 1 GHz, with a very small fraction of the RF power reaching effectively the device due to a...
In this paper we use an electro-thermal method [solver of the heat-flux equation coupled with an ensemble Monte Carlo (MC) simulator] to extract the value of the thermal resistance, Rth, in diodes consisting in un-gated Al0.27Ga0.73N/GaN heterostructures. Different substrates (polycrystalline diamond - PCD, diamond, silicon and sapphire), and die dimensions will be analysed. When a temperature-independent...
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