Ahmed S. Chakroun

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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(More)
Visceral leishmaniasis (VL) is mainly due to the Leishmania donovani complex. VL is endemic in many countries worldwide including East Africa and the Mediterranean region where the epidemiology is complex. Taxonomy of these pathogens is under controversy but there is a correlation between their genetic diversity and geographical origin. With steady increase(More)
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