Applied Physics A

, 125:54 | Cite as

Adjustment of morphological and dielectric properties of ZnTiO3 nanocrystalline using Al2O3 nanoparticles

  • Amany M. El NahrawyEmail author
  • Ali B. Abou Hammad
  • Ahmed M. Bakr
  • Ahmed R. Wassel


The effect of Al2O3 nanoparticles on the crystalline phase, morphology and adjustment of dielectric properties of ZnTiO3 nano-powder has been investigated. The structural and morphological properties were investigated by X-ray diffraction (XRD), field emission-scanning electron microscope (FE-SEM) and Fourier Transform infra-red (FTIR) spectroscopy. The average particle size of the rhombohedral perovskite structure ZnTiO3 and Al2O3/ZnTiO3 is about 61 nm and 53 nm, respectively. Introduction of Al2O3 NPs induces structural and morphological modifications, causes an adjustment in pore structure and textural characteristics of ZnTiO3 nano-powder. In addition, the dielectric results have appeared that the dielectric constant and dielectric loss, [tan(δ)] are decreased with introducing the Al2O3 NPs in the crystalline nano-sized ZnTiO3 powders. The gained results are presented in detail.



The authors are much grateful to the help and support of the Science and Technology Development Fund (STDF), Egypt for financial support of the research activities related to project; Project ID 25776.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interests.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Amany M. El Nahrawy
    • 1
    Email author
  • Ali B. Abou Hammad
    • 1
  • Ahmed M. Bakr
    • 2
  • Ahmed R. Wassel
    • 3
  1. 1.Physics Research Division, Solid State Physics DepartmentNational Research CentreGizaEgypt
  2. 2.Physics Research Division, Spectroscopy DepartmentNational Research CentreGizaEgypt
  3. 3.Thin Film and Electron Microscope Department, Physics research divisionNational Research CenterGizaEgypt

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