Местоположение издательства:Piscataway, NJ, United States
Первая страница:1885
Последняя страница:1895
Аннотация:The effect of the Si+ ion implantation on the gas-sensing properties of single-crystal (0001) α-Ga2O3 films grown by halide vapor phase epitaxy (HVPE) has been studied. It is established that irradiation with a dose of 8 × 1012– 8 × 1015 cm−2 at an energy of 100 keV followed by post implantation annealing increases the response of α-Ga2O3 films to 3 vol% of H2 by 43 times at 400 ◦C, reduces the response time by a factor of 6, and expands the operating temperature range down to 30 ◦C. In addition, α-Ga2O3 layers irradiated with a Si+ ion dose of 8 × 1013–8 × 1015 cm−2 demonstrate high sensitivity to CO and NH3 gases. The mechanism of Si+ ion irradiation effect on the gas-sensing properties of α-Ga2O3 structures is proposed.