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WO 3 thin films have been deposited by thermal evaporation on an alumina oxide single crystal and annealed either in oxygen or in air. The morphology and the crystallographical structure for the as-deposited and the annealed films have been investigated by reflection high energy electron diffraction, atomic force microscopy and transmission electron microscopy. During annealing the WO ...
The influence of thermal treatment of alumina substrates on the growth of small supported gold particles was investigated. The αAl 2 O 3 (1012) surfaces were previously annealed in a vacuum at 1100 K and 2000 K. The crystallographic structure was tested by reflection high energy electron diffraction and atomic force microscopy techniques. The substrate surface annealed at 2000 K exhibited...
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