Matches in SemOpenAlex for { <https://semopenalex.org/work/W3008570428> ?p ?o ?g. }
- W3008570428 abstract "Internal electric fields can have a significant effect on the behavior of charged defects, dopants, and impurities in operating electronic devices that can adversely impact on their long-term performance and reliability. In this paper, we investigate the redistribution of charged centers in single crystal m-plane ZnO under the action of a DC electric field at 873 K using in-plane and in-depth spatially resolved cathodoluminescence (CL) spectroscopy. The CL intensities of the ultra-violet near band edge (NBE) emission at 3.28 eV and green luminescence (GL) at 2.39 eV were observed to both uniformly increase on the anode side of the electrode gap. Conversely, toward the cathode, the NBE and GL steadily decrease and increase, respectively. The GL quenched after hydrogen donor doping, confirming that the emission is related to acceptor-like centers. Based on the electro-migration and hydrogen doping results, the GL is attributed to radiative recombination involving ZniandVZn pairs. The intensity of an orange luminescence centered at 2.01 eV was unaffected by the electric field and is assigned to substitutional Li acceptors." @default.
- W3008570428 created "2020-03-06" @default.
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- W3008570428 date "2020-02-24" @default.
- W3008570428 modified "2023-10-16" @default.
- W3008570428 title "Cathodoluminescence study of electric field induced migration of defects in single crystal <i>m</i>-plane ZnO" @default.
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- W3008570428 doi "https://doi.org/10.1063/1.5134555" @default.
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