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Title Annealing Effect on the Structural, Electrical and Optical Properties of Er, Li-Codoped ZnO Films
Authors Aghamalyan, N.R.
Hovsepyan, R.K.
Kuzmin, R.V.
Kafadaryan, E.A.
Kostanyan, R.B.
Petrosyan, S.I.
Eganyan, A.V.
Mezdrogina, M.M.
ORCID
Keywords ZnO Films
Er3+ Photoluminescence
Optical Properties
Type Conference Papers
Date of Issue 2012
URI http://essuir.sumdu.edu.ua/handle/123456789/34998
Publisher Sumy State University
License
Citation Annealing Effect on the Structural, Electrical and Optical Properties of Er, Li-Codoped ZnO Films / N. R. Aghamalyan, R. K. Hovsepyan, R. V. Kuzmin et al. // Nanomaterials: Applications & Properties (NAP-2012) : 2-nd International conference, Alushta, the Crimea, September 17-22, 2012 / Edited by: A. Pogrebnjak. - Sumy : Sumy State University, 2012. - V. 1, No3. - 03TF04
Abstract The effect of post deposition annealing in air on structural, electrical and optical properties of Er,Licodoped ZnO films deposited on sapphire substrate by an e-beam evaporation technique in vacuum are investigated. The structural, optical and electrical features of these films before and after short-time annealing were studied by XRD, UV-VIS-IR absorption and reflection spectroscopy, photoluminescence and resistivity measurements. Experimental results showed that there is wide absorption band in IR range, connected with defect centers, presumably OH-complex, in as-deposited films, and after annealing it is disappeared. Green and NIR photoluminescence of Er3+ ions in annealed films excited under nitrogen laser was observed. The intensity of photoluminescence is much stronger for sample with Li (0.8 %) than that with Li (0.6 %). When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/34998
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