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Pulsed laser deposited transparent and conductive V-doped ZnO thin films
Division des Milieux Ionisés et Lasers, Centre de Développement des Technologies Avancées, Cité 20 août 1956, B. P. 17, Baba Hassen, Algiers 16081, Algeria; Faculté de Physique, Université des Sciences et Technologies Houari Boumediene, BP 32 El Alia 16111 Bab Ezzouar, Algiers, Algeria.
Division des Milieux Ionisés et Lasers, Centre de Développement des Technologies Avancées, Cité 20 août 1956, B. P. 17, Baba Hassen, Algiers 16081, Algeria.
Division des Milieux Ionisés et Lasers, Centre de Développement des Technologies Avancées, Cité 20 août 1956, B. P. 17, Baba Hassen, Algiers 16081, Algeria.
School of Physics, University of Electronic Science and Technology of China 610054 Chengdu, China.
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2020 (engelsk)Inngår i: Thin Solid Films, ISSN 0040-6090, E-ISSN 1879-2731, Vol. 700Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

ZnO and vanadium-doped ZnO (0.7–4.1 at.%) thin films were deposited onto corning glass substrates by the pulsed laser deposition technique using a KrF excimer laser (λ = 248 nm). The films were deposited at 500 °C under an oxygen pressure of 1 Pa with a laser fluence of 2 J/cm2. The structural, morphological, optical and electrical properties as a function of the dopant atomic concentration were investigated by means of X-ray diffraction, Scanning Electron Microscopy, spectrophotometry, conductivity and Hall measurements. All the doped and undoped films show a preferential orientation along the c-axis with a deterioration at higher doping levels (>4 at. %). Besides, as the doping amount increases the in-plane stress leads to an increase of the c-axis lattice parameter. The films are transparent within the wavelength range 400–1200 nm. The electrical resistivity of the films drops from 8.2 10−3 to 1.3 10−3 Ω cm with an increase in the dopant concentration up to 0.9 at. % and then rises as the dopant level is increased further.

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Elsevier, 2020. Vol. 700
Emneord [en]
Vanadium-doped zinc oxide, Thin films, Pulsed laser deposition, Transparent conducting oxides, Electrical properties, Optical properties
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Identifikatorer
URN: urn:nbn:se:liu:diva-174459DOI: 10.1016/j.tsf.2020.137892ISI: 000520173700004Scopus ID: 2-s2.0-85081133986OAI: oai:DiVA.org:liu-174459DiVA, id: diva2:1538707
Tilgjengelig fra: 2021-03-21 Laget: 2021-03-21 Sist oppdatert: 2021-12-29bibliografisk kontrollert

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