Skip to main content
padlock icon - secure page this page is secure

Structural and Optical Properties of GeO2 Thin Films Prepared by E-Beam Evaporation

Buy Article:

$106.23 + tax (Refund Policy)

GeO2 thin films were grown on silicon and quartz substrates at 150 °C by using electron beam evaporation. The subsequent thermal annealing of thin films at 800 °C results in crystallization of the films. The structural properties of pristine and annealed samples have been studied by using X-ray diffraction, Fourier transform infrared spectroscopy and Raman spectroscopy. UV-visible absorption spectroscopy is used to examine the optical properties of the thin films. While as-deposited samples show amorphous behavior, the annealed samples clearly imply the crystalline nature of the films. XRD results indicate the formation of hexagonal phase of GeO2 NC’s upon annealing at 800 °C. Raman scattering studies confirm the modes of vibration of GeO2. Transmission spectra of GeO x films also show various modes of vibration of Germanium oxide. Optical studies suggest that the annealing results in the increase in the bandgap and transmittance of the films. The bandgap of the pristine and annealed samples are 4.2 eV and 5.65 eV, respectively.
No Reference information available - sign in for access.
No Citation information available - sign in for access.
No Supplementary Data.
No Article Media
No Metrics

Keywords: FTIR; Germanium Oxide Thin Films; Optical Bandgap; Thermal Annealing; XRD

Document Type: Research Article

Affiliations: Department of Physics, Malaviya National Institute of Technology Jaipur, J. L. N. Marg, Jaipur 302017, India

Publication date: November 1, 2016

More about this publication?
  • ADVANCED SCIENCE LETTERS is an international peer-reviewed journal with a very wide-ranging coverage, consolidates research activities in all areas of (1) Physical Sciences, (2) Biological Sciences, (3) Mathematical Sciences, (4) Engineering, (5) Computer and Information Sciences, and (6) Geosciences to publish original short communications, full research papers and timely brief (mini) reviews with authors photo and biography encompassing the basic and applied research and current developments in educational aspects of these scientific areas.
  • Editorial Board
  • Information for Authors
  • Subscribe to this Title
  • Ingenta Connect is not responsible for the content or availability of external websites
  • Access Key
  • Free content
  • Partial Free content
  • New content
  • Open access content
  • Partial Open access content
  • Subscribed content
  • Partial Subscribed content
  • Free trial content
Cookie Policy
X
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more