Volume 83, Number 6, September 2008
|Number of page(s)||5|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||12 September 2008|
Morphology and growth mechanism of WOx films prepared by laser ablation of W in different atmospheres
Dipartmento di Chimica, Materiali e Ingegneria Chimica “Giulio Natta”, Politecnico di Milano - Milano, Italy, EU
2 Research Institute for Technical Physics and Materials Science - Budapest, Hungary, EU
Corresponding author: email@example.com
Accepted: 8 August 2008
Nanostructured tungsten oxide, WOx films were prepared by ablating a metallic target in helium, argon and dry air as buffer gases at fixed pressure, laser fluence and target-substrate distance. The obtained samples were observed by transmission and high-resolution electron microscopy. The morphologies and structures of the films are discussed and compared to the predictions of a model that interprets cluster growth in an expanding ablation plume as a function of process parameters.
PACS: 81.07.-b – Nanoscale materials and structures: fabrication and characterization / 52.38.Mf – Laser ablation / 68.37.Og – High-resolution transmission electron microscopy (HRTEM)
© EPLA, 2008
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