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This paper presents the structural and optical investigations of the aluminum oxide nanocrystalline thin films. Investigated films were fabricated by laser ablation technique in high vacuum onto quartz substrates. The films were deposited at two different temperatures of the substrates equal to room temperature and 900K. X-ray Diffraction spectra proved nanocrystalline character and the corundum phase...
We present optical properties of aluminum oxide (Al2O3) thin films. A high quality Al2O3 films fabricated by sol-gel (dip-coating) method were grown on quartz substrates at temperature equal to 25 °C (RT) for 30 min inside the chamber. Next, a part of prepared samples was annealed for 12 h at fixed temperature equal to 500 °C. The rest of samples were left in the normal condition. This procedure can...
In this work we present the results of investigations relating to certain optical properties of thin films of Al2O3 (aluminium oxide) deposited on substrates made of quartz glass, using the sol-gel method. In our opinion, promising results came out photoluminescence and transmission of these layers, whereas the study conducted for the use of these materials in optoelectronic applications. Photoluminescence...
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