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The advanced optical and electronic characterization of primary F-defects and metallic lithium colloids in lithium fluoride thin films produced by ion-assisted thermal deposition with Xe low-energy ions (< 200 eV) on transparent amorphous substrates is presented and discussed. The volume concentrations of defects and Li nano-clusters have been estimated by applying a best-fit procedure based on a comprehensive theoretical modelling to the spectro-photometric measurements. The appreciable presence of Li metal at the film surface was clearly demonstrated by X-ray photoelectron spectra. Advanced optical microscopy confirms the negligible formation of other types of more complex luminescent colour centres.
IOP Publishing
Publication date: 
1 Nov 2010

RM Montereali, F Bonfigli, V Mussi, E Nichelatti, A Santoni, S Scaglione

Biblio References: 
Volume: 15 Issue: 1 Pages: 012017
IOP Conference Series: Materials Science and Engineering