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Journal of Electronic Materials

, Volume 47, Issue 4, pp 2298–2305 | Cite as

Improved Magnetic, Dielectric and Optical Properties of PbTi1−xFe x O3 (0 ≤ x ≤ 0.60) System

  • M. Irfan Ullah
  • S. K. Hasanain
  • Shahzad Hussain
  • M. Usman
Article
  • 50 Downloads

Abstract

In this study, we describe an improvement of room temperature ferromagnetism achieved in a PbTi1xFe x O3 (0 ≤ x ≤ 0.60) system and discuss a correlation between structural, magnetic, dielectric and optical properties. Pure PbTiO3 , which crystallizes in a tetragonal structure, evolved towards a cubic structure with increases in Fe content. Magnetic measurements showed that all Fe substituted samples are ferromagnetic at room temperature and maximum magnetization at 7 kOe increases with increases in Fe content. The origin and improvement of ferromagnetism is ascribed to the F-center exchange mechanism. The temperature dependence of dielectric behavior showed typical ferroelectric behavior, but ferroelectric transition temperature remained above our maximum measuring temperature. The improvement in dielectric properties of the PbFe x Ti1xO3 system may be attributed to increases of resistivity and activation energy. The decrease in band gap with increase in Fe substitution is ascribed to the decrease in c/a ratio, indicating that the optical band gap is affected by the degree of structural disorder in the PbFe x Ti1xO3 system.

Keywords

Structural properties magnetic properties dielectric properties optical properties 

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Notes

Conflict of interest

The authors of the manuscript certify that we have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or non-financial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.

Supplementary material

11664_2017_6054_MOESM1_ESM.pdf (99 kb)
Supplementary material 1 (PDF 98 kb)

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Copyright information

© The Minerals, Metals & Materials Society 2018

Authors and Affiliations

  • M. Irfan Ullah
    • 1
  • S. K. Hasanain
    • 1
  • Shahzad Hussain
    • 2
  • M. Usman
    • 1
  1. 1.Department of PhysicsQuaid-i-Azam UniversityIslamabadPakistan
  2. 2.Department of PhysicsCOMSATS Institute of Information TechnologyIslamabadPakistan

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