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2013 | 123 | 4 | 741-745
Article title

Influences of Annealing Temperature on the Optical and Structural Properties of Manganese Oxide Thin Film by Zn Doping from Sol-Gel Technique

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Thin films of MnO_2, Mn_2O_3, and Mn_3O_4 have been grown from single precursor solution by varying the post-annealing condition on the glass and corning substrate using a sol-gel technique. By annealing in air and at temperature between 600 and 800°C, cubic Mn_2O_3 films could be formed. The films were thermally annealed at different temperatures between 300 and 800C to create different crystalline structure. Even under the air-annealing condition, Zn doping results in a structural transformation from cubic Zn_{x}Mn_{2-x}O_3 to tetragonal Zn_{x}Mn_{3-x}O_4. X-ray diffraction, atomic force microscopy, and UV-visible spectra were used to characterize the effect of thermal annealing on the optical and structural properties of a Zn doped manganese oxide thin film. Optical properties of the Mn_2O_3 and Mn_3O_4 films have been investigated by pointwise unconditioned minimization approach.
  • Department of Physics, Shahrood Branch, Islamic Azad University, Shahrood, Iran
  • Department of Physics, Shahrood Branch, Islamic Azad University, Shahrood, Iran
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