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Nanocrystalline NiO thin films were deposited by dc reactive magnetron sputtering in a mixture of oxygen and argon and subsequently coated by Au on a NiO film surface. Very thin Au overlayers with a thickness of about 1 and 7 nm have been prepared by magnetron sputtering. Then, the surface modified NiO films have been analysed by TEM, EDX and SEM. NiO thin films showed a polycrystalline structure with the size of nanocrystals ranging from a few nanometers to 10 nm. Electrical responses of NiO-based structure towards hydrogen have been measured.
IOP Publishing
Publication date: 
1 Mar 2007

I Hotovy, J Huran, L Spiess, H Romanus, S Capone, V Rehacek, AM Taurino, D Donoval, P Siciliano

Biblio References: 
Volume: 61 Issue: 1 Pages: 087
Journal of Physics: Conference Series