Growth of nanoislands in thin nickel oxide films

Nanostructured, semitransparent and highly conducting nickel oxide thin films were grown on heated substrates kept in vacuum using pulsed laser ablation. Formation of nanoislands, consisting of self-assembly of nanocrystals, following Stranski-Krastanov type growth in thin nickel oxide films is repo...

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Published inJournal of Optoelectronics and Advanced Materials Vol. 10; no. 10; pp. 2637 - 2643
Main Authors Sasi, B, Sankar, S, Nissamudeen, K M, Rajan, Geo, Bahna, A H, Gopchandran, K G
Format Journal Article
LanguageEnglish
Published 01.10.2008
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Summary:Nanostructured, semitransparent and highly conducting nickel oxide thin films were grown on heated substrates kept in vacuum using pulsed laser ablation. Formation of nanoislands, consisting of self-assembly of nanocrystals, following Stranski-Krastanov type growth in thin nickel oxide films is reported. X-ray diffraction studies indicate presence of mixed phases Ni(OH)2, gamma-NiOOH, and Ni2O3 with grain size 17 nm, in films prepared at 673 K. Films deposited at 773 K showed a resistivity of 3.097 x 10-5 Omega m and transmittance of 46% at 550 nm.
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ISSN:1454-4164