Structural and Optical Properties of Fe₂O₃ - NiO mixed Thin Films Prepared by Chemical Spray Pyrolysis

• Autorzy: Mohmmed N. J. , Habubi M. N.
• Języki publikacji: EN

Abstrakty

EN

Mixed Fe₂O₃ - NiO thin films have been prepared by chemical Spray pyrolysis technique onto glass substrate preheated to 450 °C. The thickness of thin films was found to be (400 ±20) nm. XRD measurements reveal that all the film exhibit polycrystalline hexagonal wrutzite with a preferred orientation along (104) plane for pure and 10 % and 20 % Ni, while for the rest the structure was amorphous. AFM analysis indicate a nanostructure for all the films. The optical energy gap was found to be increased from optical transitions seems to be direct and the optical energy gap seems to be increased from 2.5 to 2.69 eV as the percentage of NiO increase.

Słowa kluczowe

EN

Fe2O3; spray pyrolysis technique; structural properties; optical properties

• Wydawca: Przedsiębiorstwo Wydawnictw Naukowych "DARWIN"
• Czasopismo: International Letters of Chemistry, Physics and Astronomy
• Rocznik: 2014
• Tom: Vol. 14, iss. 1
• Strony: 65--85
• Opis fizyczny: Bibliogr. 32 poz., tab., wykr., wz.

Twórcy

autor

Mohmmed N. J.

• Department of Physics, College of Education, University of Al-Mustansiriyah, Baghdad, Iraq

autor

Habubi M. N.

• Department of Physics, College of Education, University of Al-Mustansiriyah, Baghdad, Iraq

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