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Journal of Sol-Gel Science and Technology

, Volume 53, Issue 3, pp 543–550 | Cite as

Detection of up-conversion in nano-structure BaTiO3 co-doped with Er3+ and Yb3+ ions

  • I. K. Battisha
  • Y. Badr
  • N. M. Shash
  • M. G. El-Shaarawy
  • A. G. A. Darwish
Original Paper

Abstract

Nano-structure pure barium titanate BaTiO3 (BT) and (BT) co-doped with constant concentration of Er3+ ions and different concentrations of Yb3+ ions were prepared using sol–gel method. XRD results confirmed that the pure sample was found to crystallize in tetragonal phase by sintering at 750 °C for 1 h. All major peaks corresponding to perovskite BT phase appeared. Efficient infrared-to-visible up-conversion is reported in the doped samples. The conversion process and results in the generation of visible emissions are discussed. Up-conversion efficiency for red emission predominates in doped samples. Results illustrate the large potential of this class of materials for photonic applications in optoelectronics devices.

Keywords

Sol–gel Powders Thin films Up-conversion BaTiO3 nano-crystals Er3+: Yb3+ ions 

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • I. K. Battisha
    • 1
  • Y. Badr
    • 2
  • N. M. Shash
    • 3
  • M. G. El-Shaarawy
    • 3
  • A. G. A. Darwish
    • 1
  1. 1.Department of Solid State PhysicsNational Research Center (NRC)Dokky, GizaEgypt
  2. 2.National Institute of Laser Enhancement Sciences (NILES)Cairo UniversityCairoEgypt
  3. 3.Faculty of Science, Physics DepartmentBanha UniversityBanhaEgypt

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