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Laser energy density, structure and properties of pulsed-laser deposited zinc oxide films

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Laser energy density, structure and properties of pulsed-laser deposited zinc oxide films
Panagopoulos, C. N.
Κομπίτσας, Μιχάλης
Tsoutsouva, M. G.
Άρθρο σε επιστημονικό περιοδικό
2011-03-01
Zinc oxide thin films were deposited on soda lime glass substrates by pulsed laser deposition in an oxygen-reactive atmosphere at 20 Pa and a constant substrate temperature at 300 degrees C. A pulsed KrF excimer laser, operated at 248nm with pulse duration 10 ns, was used to ablate the ceramic zinc oxide target. The structure, the optical and electrical properties of the as-deposited films were studied in dependence of the laser energy density in the 1.2-2.8J/cm(2) range, with the aid of X-ray Diffraction, Atomic Force Microscope, Transmission Spectroscopy techniques, and the Van der Pauw method, respectively. The results indicated that the structural and optical properties of the zinc oxide films were improved by increasing the laser energy density of the ablating laser. The surface roughness of the zinc oxide film increased with the decrease of laser energy density and both the optical bang gap and the electrical resistivity of the film were significantly affected by the laser energy density.
AMSTERDAM
Φυσική (EL)
Χημεία (Γενικά) (EL)
Επιστήμη (Γενικά) (EL)
Τεχνολογία (Γενικά) (EL)
Technology (General) (EN)
Science (General) (EN)
Chemistry (General) (EN)
Physics (EN)
Laser energy density dependence
Materials Science, Coatings & Films
Nanosecond pulsed laser deposition
Structural
Physics, Condensed Matter
Optical and electrical properties
ZnO films
Chemistry, Physical
Physics, Applied
English
Elsevier BV, North-Holland
Applied Surface Science (formerly Known as Applications of Surface Science)
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© 2011 Elsevier B. V. All rights reserved.
© 2011 Elsevier B. V. All rights reserved. (EN)
National Hellenic Research Foundation (NHRF)
Helios - Repository of the National Hellenic Research Foundation (NHRF)



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