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Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/31217
Title: Growth and characterization of Sn doped ZnO thin films by pulsed laser deposition
Authors: López-Ponce, Enrique; Costa Krämer, José Luis; Martín-González, Marisol S.; Briones Fernández-Pola, Fernando; Fernández Lozano, José Francisco; Caballero Cuesta, Amador; Villegas, Marina; Frutos, J. de
Issue Date: May-2006
Publisher: Wiley-Blackwell
Citation: Physica Status Solidi a Applications and Materials Science 203(6): 1383-1389 (2006)
Abstract: Sn:ZnO thin films with different Sn concentrations were grown by pulsed laser deposition (PLD) onto single-crystal Si(001) substrates at an oxygen pressure of 2 × 10–2 mbar and substrate temperature of 600 °C. The targets used were high density Sn:ZnO pellets with different Sn concentrations produced by mixing ZnO and SnO2 by conventional ceramic routes. A deep structural and electrical characterization was carried out in order to determine the role of an increasing Sn nominal concentration on the ZnO film transport properties. Only films with a nominal 0.1 at% Sn show an improvement of the transport properties, lower resistivity and higher donor concentration, with respect to pure ZnO thin films. For films with larger Sn nominal concentrations segregated SnZnO phases appear that lead to larger film resistivities and no increase in donor concentration. The 0.1 at% Sn film is accordingly a good candidate to study the possible room temperature ferromagnetism when co doping with Mn.
Description: 7 páginas, 5 figuras, 1 tabla.-- PACS: 61.10.Nz, 68.37.Ps, 73.61.Ga, 75.50Pp, 81.15.Fg
Publisher version (URL): http://dx.doi.org/10.1002/pssa.200566177
URI: http://hdl.handle.net/10261/31217
ISSN: 0031-8965
DOI: 10.1002/pssa.200566177
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