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Europium doped zinc aluminate (ZnAl 2 O 4 ) photoluminescent films have been deposited by ultrasonic spray pyrolysis deposition process. Different substrate temperatures and doping concentrations in the start spraying solution were studied. It is observed that the crystalline structure of this material depends on the substrate temperature during deposition of the films. For low substrate...
Manganese doped zirconia luminescent films have been deposited at temperatures ranging from 250 to 500 o C using the Pyrosol technique. The material obtained is in an amorphous state up 400 o C. For higher temperatures a polycrystalline material is obtained with a cubic and/or tetragonal crystalline zirconia phase. The photoluminescence and cathodoluminescence spectra show the bands...
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