Optical Studies of Ag2O Thin Film Prepared by Electron Beam Evaporation Method - Open Journal of Metal

OJMetal > Vol.3 No.4, December 2013

Optical Studies of Ag₂O Thin Film Prepared by Electron Beam Evaporation Method ()

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DOI: 10.4236/ojmetal.2013.34009 5,533 Downloads 9,907 Views Citations

Author(s)

Gandhimathinathan Saroja, Veerapandy Vasu, Nagayasamy Nagarani

Affiliation(s)

Department of Physics, Sri Meenakshi Government College for Women, Madurai, India.
School of Physics, Madurai Kamaraj University, Madurai, India.

ABSTRACT

Silver oxide (Ag₂O) thin films were deposited on glass substrates using electron beam gun evaporation techniques without oxygen atmosphere. The deposited films were post annealed at 100°C, 150°C, and 200°C, respectively. The surface morphologies, structural and optical properties at different annealing temperatures were studied using scanning electron microscopy (SEM), X-ray diffraction (XRD), and ultra-violet-visible spectroscopy. The XRD results show that the intensity of (200) plane intensified as the annealing temperature increased from 100°C to 200°C. The XRD spectra reveal that the films are polycrystalline, having cubic structure irrespective of post annealing temperatures. The optical band gap of Ag₂O thin films decreases from 1.716 eV to 1.559 eV as the annealing temperature increases from 100°C to 200°C.

KEYWORDS

Silver Oxide; Thin Film; Extinction Coefficient

Share and Cite:

G. Saroja, V. Vasu and N. Nagarani, "Optical Studies of Ag₂O Thin Film Prepared by Electron Beam Evaporation Method," Open Journal of Metal, Vol. 3 No. 4, 2013, pp. 57-63. doi: 10.4236/ojmetal.2013.34009.

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