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Synthesis, characterization, and dielectric properties of nanocrystalline Ba1−xPbxZrO3 (0 ≤ x ≤ 0.75) by polymeric citrate precursor route

  • Omar A. Al-Hartomy (a1), Mohd Ubaidullah (a2), Sarvari Khatoon (a2), Jamal H. Madani (a3) and Tokeer Ahmad (a4)...

Abstract

Solid solutions of Ba1−xPbxZrO3 (0 ≤ x ≤ 0.75) have been synthesized successfully by polymeric citrate precursor method for the first time. The solid solutions were characterized by powder x-ray diffraction (XRD), scanning electron microscopy, transmission electron microscopy, and surface area studies. XRD studies reveal the monophasic nature of these highly crystalline nanoparticles (except few impurity of ZrO2 in PbZrO3). Lattice parameter of Ba1−xPbxZrO3 (0.20 ≤ x ≤ 0.75) decreases with increasing the Pb content. Dielectric properties of these nanoparticles were investigated as a function of frequency and temperature. The dielectric constant for x = 0.15 showed a maximum value of 75.5.

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a)Address all correspondence to these authors. e-mail: oalhartomy@hotmail.com

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Keywords

Synthesis, characterization, and dielectric properties of nanocrystalline Ba1−xPbxZrO3 (0 ≤ x ≤ 0.75) by polymeric citrate precursor route

  • Omar A. Al-Hartomy (a1), Mohd Ubaidullah (a2), Sarvari Khatoon (a2), Jamal H. Madani (a3) and Tokeer Ahmad (a4)...

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