Cathodoluminescence of Y2O3:Eu Thin Films Obtained by RF Sputtering

The cathodoluminescent (CL) properties of Y 2 O 3 :Eu thin films obtained by RF magnetron sputtering were investigated. The number of Eu 3+ ions in C 2 states of lower symmetry was hypothesized to be greater in the film bulk than on the surface based on studies of the CL spectral intensity as a func...

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Veröffentlicht in:Journal of applied spectroscopy 2017-05, Vol.84 (2), p.249-254
Hauptverfasser: Bordun, O. M., Bordun, I. O., Kukharskyy, I. Yo
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description The cathodoluminescent (CL) properties of Y 2 O 3 :Eu thin films obtained by RF magnetron sputtering were investigated. The number of Eu 3+ ions in C 2 states of lower symmetry was hypothesized to be greater in the film bulk than on the surface based on studies of the CL spectral intensity as a function of the exciting-electron energy and current density. It was shown that film structural defects and the excitation conditions influenced the kinetic characteristics of the red emission of Y 2 O 3 :Eu at 612 nm that was due to the electric dipole transition 5 D 0 – 7 F 2 .
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subjects Analytical Chemistry
Atomic/Molecular Structure and Spectra
Cathodoluminescence
Current density
Defects
Electron energy
Excitation spectra
Magnetic properties
Magnetron sputtering
Physics
Physics and Astronomy
Thin films
Yttrium oxide
title Cathodoluminescence of Y2O3:Eu Thin Films Obtained by RF Sputtering
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