Browsing by Author "Wedding, AB"

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    Grazing incidence x-ray studies of ultra-thin lumogen films.
    (Elsevier, 2007-12-15) Keough, SJ; Hanley, TL; Wedding, AB; Quinton, JS
    Lumogen® Yellow S0790 films have been produced on silicon wafer substrates via physical vapour deposition (PVD) and spin-coating (SC) methods. These coatings were characterised with X-ray reflectometry (XRR) and grazing incidence X-ray diffraction (GIXD) techniques. The results show that ultra-thin (less than 12nm) PVD films coat amorphously, with crystallinity becoming increasingly apparent with increasing film thickness. In contrast, measurements of ultra-thin (less than 2nm) spin-coated films reveal a second, apparently stable crystalline structure. © 2007, Elsevier Ltd.