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Frieiro, J. L., O. Blázquez, J. López-Vidrier, L. López-Conesa, S. Estradé, F. Peiró, J. Ibáñez, S. Hernández, and B. Garrido Green Electroluminescence of Al/Tb/Al/SiO2 Devices Fabricated by Electron Beam Evaporation, physica status solidi (a), 1700451-n/a, doi: 10.1002/pssa.201700451.

Abstract

In this work, the fabrication and the structural, optical and electrical properties of Al-Tb/SiO2 nanomultilayers have been studied. The nanomultilayers were deposited by means of electron beam evaporation on top of p-type Si substrates. Optical characterization shows a narrow and strong emission in the green spectral range, indicating the optical activation of Tb3+ ions. The electrical characterization revealed conduction limited by the electrode, although trapped-assisted mechanisms can also contribute to transport. The electroluminescence analysis revealed also emission from Tb3+ ions, a promising result to include this material in future optoelectronics applications as integrated light-emitting devices.

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