AlGaN/GaN HEMT High Power Densities on {SiC/} {SiO}_{2}/poly-SiC Substrates Defrance, Nicolas ; Hoel, Virginie ; Douvry, Yannick ; de Jaeger, Jean Claude ; Gaquiere, Christophe ; Tang, Xiao ; Rousseau, Michel ; di Forte-Poisson, Marie Antoinette ; Thorpe, James ; Lahreche, Hacène ; Langer, Robert Abstract Publication: IEEE Electron Device Letters Pub Date: June 2009 DOI: 10.1109/LED.2009.2019972 Bibcode: 2009IEDL...30..596D