EPR and optical study of oxygen and zinc vacancies in electron ...
2008年6月1日 · A broad emission band peaking near 700 nm in the irradiated crystal is assigned to donor–acceptor pair recombination involving zinc-vacancy acceptors. EPR spectra from Fe …
Further characterization of oxygen vacancies and zinc vacancies in ...
2008年2月25日 · Electron paramagnetic resonance (EPR) has been used to monitor oxygen vacancies and zinc vacancies in a ZnO crystal irradiated near room temperature with 1.5 MeV …
ZnO Oxygen Vacancies Formation and Filling Followed by in Situ ...
2012年9月13日 · Oxygen vacancies of zinc oxide were followed by photoluminescence (PL) and electron paramagnetic resonance (EPR) spectroscopies. The green PL emission was …
EPR, thermo and photoluminescence properties of ZnO nanopowders
2011年10月15日 · In this paper, we report for first time the thermo luminescent properties of ZnO nanopowders irradiated by γ-rays. We have also examined the intrinsic defects in ZnO like …
Multifrequency EPR spectroscopy study of Mn, Fe, and Cu doped ...
2023年4月1日 · In this work, different transition metal ions (Mn, Fe, and Cu) were doped into ZnO nanocrystals. The current study presents a detailed multi-frequency (X- and Q-band) EPR …
Magnetic Resonance Studies of Intrinsic Defects in ZnO
2010年5月23日 · Several EPR spectra attributed to intrinsic defects were found after irradiation of ZnO with high-energy electrons, neutrons, or protons. In the EPR experiments with electron …
EPR Spectroscopy of Different Sol Concentration Synthesized ...
Electron paramagnetic resonance (EPR) spectroscopy is a very powerful sensitive technique used for the characterization of nature of magnetic impurities/defects and spin dynamics in materials …
电子辐照 ZnO 中氧和锌空位的 EPR 和光学研究,Nuclear …
摘要 采用种子化学气相传输法生长的ZnO晶体在室温附近用1.5 MeV电子辐照。使用光吸收、光致发光 (PL) 和电子顺磁共振 (EPR) 表征所得的氧和锌空位。在 409 nm 附近达到峰值的宽吸收 …
Role of the paramagnetic donor-like defects in the high n-type ...
2020年10月15日 · The magnetic and electronic properties of the hydrogenated highly conductive zinc oxide (ZnO) microparticles were investigated by electron paramagnetic resonance (EPR) …
Photoluminescence and Electron Paramagnetic Resonance …
2022年3月2日 · Based on numerous EPR observations of ZnO, the g = ≈1.99–2.0 line is predominantly and consistently assigned to V O. Furthermore, more convincing evidence for …