We performed high-energy proton and electron irradiation on a GaN Schottky diode and investigated the effects on its electrical properties. No significant changes in the dark current or breakdown voltage of the diode were observed for fluences up to ∼10 14 protons/ cm2 . The currents increased by a factor of ∼10 3 at a fluence of ∼10 15 protons/ cm2 . The currents also fluctuated unstably at these fluences but this unstable behavior was not observed after a few months. Intrinsic defects may have been induced by particle irradiation and some of them annealed through a relaxation process. Under electron irradiation, the dark currents did not show a notable increase even with the fluence of ∼10 16 electrons/ cm2 .
|Number of pages||4|
|Journal||Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment|
|Publication status||Published - 2013 May 3|
- Radiation induced effects
- Schottky diode
ASJC Scopus subject areas
- Nuclear and High Energy Physics