@article{oai:nitech.repo.nii.ac.jp:00005133, author = {Nakano, Yoshitaka and Kachi, Tetsu and Jimbo, Takashi}, issue = {15}, journal = {APPLIED PHYSICS LETTERS}, month = {Apr}, note = {We report on the electrical properties of thermally oxidized p-GaN metal-oxide-semiconductor (MOS) diodes with n+ source regions fabricated on sapphire substrates. The n+ regions were selectively produced in Mg-doped GaN by Si+N coimplantation and subsequent annealing at 1300°C, and then 100-nm-thick β-Ga2O3 was grown by dry oxidation at 880°C for 5 h. Capacitance-voltage measurements at room temperature display a surface inversion feature with an onset voltage of ?2.5V and show an extremely low interface trap density less than 1×1010eV-1cm-2. These results suggest that the thermally grown β-Ga2O3/p-GaN MOS structure is a promising candidate for inversion-mode MOS field-effect transistors., application/pdf}, pages = {2443--2445}, title = {Electrical properties of thermally oxidized p-GaN metal-oxide-semiconductor diodes}, volume = {82}, year = {2003} }