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Title: High quality aluminium doped zinc oxide target synthesis from nanoparticulate powder and characterisation of sputtered thin films
Authors: Isherwood, Patrick J.M.
Neves, Nuno N.P.
Bowers, Jake W.
Newbatt, Paul
Walls, Michael
Keywords: Aluminium
Zinc oxide
Thin films
Issue Date: 2014
Publisher: © Elsevier
Citation: ISHERWOOD, P.J.M. ... (et al.), 2014. High quality aluminium doped zinc oxide target synthesis from nanoparticulate powder and characterisation of sputtered thin films. Thin Solid Films, 566, pp. 108-114.
Abstract: Nanoparticulate aluminium-doped zinc oxide powder was synthesised through detonation and subsequent rapid quenching of metallic precursors. This technique allows for precise compositional control and rapid nanoparticle production. The resulting powder was used to form sputter targets, which were used to deposit thin films by radio frequency sputtering. These films show excellent sheet resistance and transmission values for a wide range of deposition temperatures. Crystal structure analysis shows that crystals in the target have a random orientation, whereas the crystals in the films grow perpendicular to the substrate surface and propagate preferentially along the (002) axis. Higher temperature deposition reduces crystal quality with a corresponding decrease in refractive index and an increase in sheet resistance. Films deposited between room temperature and 300 °C were found to have sheet resistances equivalent to or better than indium tin oxide films for a given average transmission value.
Description: This paper was accepted for publication in the journal Thin Solid Films and the definitive published version is available at http://dx.doi.org/10.1016/j.tsf.2014.07.032
Sponsor: The authors from Loughborough University would like to acknowledge funding for the work through the EPSRC Supergen Supersolar Hub (EP/J017361/1).
Version: Accepted for publication
DOI: 10.1016/j.tsf.2014.07.032
URI: https://dspace.lboro.ac.uk/2134/15767
Publisher Link: http://dx.doi.org/10.1016/j.tsf.2014.07.032
ISSN: 0040-6090
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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