Optical damage assessment and recovery investigation of hydrogen-ion and deuterium-ion plasma-irradiated bulk ZnO single crystals
作者： Melvin John F Empizo , Kohei Yamanoi , Kazuyuki Mori , Keisuke Iwano , Yuki Iwasa
DOI: 10.1063/1.4982346
关键词:
摘要: In realizing zinc oxide (ZnO) scintillator applications, we assess the optical damage and investigate recovery of hydrogen-ion (H-ion) deuterium-ion (D-ion) plasma-irradiated bulk ZnO single crystals. Hydrothermal-grown crystals are irradiated with H-ion D-ion beams 1 keV energy ∼ 10 20 m − 2 s flux. After irradiation, exhibit decreased visible transparencies, redshifted ultraviolet (UV) emission peaks, shortened UV lifetimes, suppressed bands. These changes in transmittances photoluminescence emissions attributed to generation defects during irradiation interaction hydrogen other and/or impurities. Although modified by ion properties crystals, except for recover hours after without any sample treatment only at room temperature. Compared H-ion-irradiated sample, D-ion-irradiated crystal ha...
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