Structural, optical and electrical characteristics of transparent bismuth vanadate films deposited on indium tin oxide coated glass substrates

  • Neelam Kumari
  • S. B. Krupanidhi
  • K. B. R. VarmaEmail author


Bismuth vanadate (BVO) thin films were fabricated on indium tin oxide (ITO) coated glass substrates using pulsed laser ablation technique and investigated their structural, optical and electrical properties. The use of the indium tin oxide coated glass substrate resulted in reducing the leakage current characteristics of crystalline BVO thin films. The X-ray diffraction (XRD) studies confirmed the monophasic nature of the post annealed (500 °C/1 h) films. The atomic force microscopy indicated the homogeneous distribution of crystallites in the as-deposited films. The as-deposited and the post annealed films were almost 90% transparent (380–900 nm) as confirmed by optical transmission studies. Dielectric constant of around 52 was attained accompanied by the low dielectric loss of 0.002 at 10 kHz for post annealed films. The leakage current of the post annealed BVO films on ITO coated glass substrates measured at room temperature was 8.1 × 10−8 A at an applied electric field of 33 kV/cm, which was lower than that of the films with platinum and SrRuO3 as the bottom electrodes.


Oxygen Vacancy Optical Transmission Spectrum Atomic Force Microscope Study Coated Glass Substrate Pulse Laser Deposition Technique 
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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Neelam Kumari
    • 1
  • S. B. Krupanidhi
    • 1
  • K. B. R. Varma
    • 1
    Email author
  1. 1.Materials Research CenterIndian Institute of scienceBangaloreIndia

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