Solid State Communications 292 24-26 2019年4月 [査読有り]
We report the origin of low resistivity in ZnO bulk single crystals with thicknesses of 500 μm caused by gamma-ray irradiation. The crystals are irradiated at room temperature with gamma-rays of 1.17–1.33 MeV from a cobalt-60 source. The gamma-ray...