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Green electroluminescence of Al/Tb/Al/SiO2 devices fabricated by electron beam evaporation

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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 characteriza-tion revealed conduction limited by the electrode, although trapped-assisted mechanisms can also contribute to transport. The electroluminescence analysis revealed also emission from Tb3+ ions, yielded promising results to in-clude this material in future optoelectronics applications as integrated emitting devices.

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Articles publicats en revistes (Enginyeria Electrònica i Biomèdica)

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Green electroluminescence of Al/Tb/Al/SiO2 devices fabricated by electron beam evaporation