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The high power density in AlGaN/GaN High Electron Mobility Transistors (HEMTs) can notably produce strong self-heating in the device. This effect leads to performance degradation and reliability concerns. Thermal performance of the device is strongly dependent on the epitaxial structure and substrate material. This work puts into perspective the thermal performance of three devices with same dimensions,...
Concentrated photovoltaic (CPV) systems dramatically reduce the size of the solar cell. However, they add thermal load to the solar cell which reduces its efficiency. This reduction is due to an increase in temperature, which is largely dependent on the thermal characteristics of the solar cell carrier. From 1 to 2000X solar concentration, we conducted thermal finite element simulations to determine...
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