• Strain-induced structural, magnetic and ferroelectric properties of heterostructure BST–NZFO nanocomposite thin film at room temperature

    • Fulltext


        Click here to view fulltext PDF

      Permanent link:

    • Keywords


      Nanostructured thin films; magnetic multilayer; ferroelectrics.

    • Abstract


      Heterostructure Ba$_{0.7}$Sr$_{0.3}$TiO$_3$–Ni$_{0.8}$Zn$_{0.2}$Fe$_2$O$_4$ composite thin films grown on Pt–TiO$_2$–SiO$_2$–Si substrate were prepared by chemical solution process, where Ba$_{0.7}$Sr$_{0.3}$TiO$_3$ layer grew as top/bottom while Ni$_{0.8}$Zn${0.2}$Fe$_2$O$_4$ layer grew as bottom/top. Structural characterization by X-ray diffraction and atomic force microscopy showed the similar crystal structure, different lattice parameters, large lattice strain and small grain size in heterostructures, whatever their deposition sequences. Such heterostructures present simultaneously ferromagnetic and ferroelectric responses at room temperature. Inparticular, an exceptionally large saturation magnetization was observed in one heterostructures film. The growth sequencesof Ba$_{0.7}$Sr$_{0.3}$TiO$_3$ and Ni$_{0.8}$Zn$_{0.2}$Fe$_2$O$_4$ layers on the substrate remarkably affect the magnetic properties of the compositethin films at room temperature.

    • Author Affiliations



      1. National Physical Laboratory, New Delhi 110012, India
      2. Department of Physics, Maharaja Agrasen University, Baddi 174103, India
      3. Department of Physics, Himachal Pradesh University, Shimla 171005, India
    • Dates

  • Bulletin of Materials Science | News

    • Dr Shanti Swarup Bhatnagar for Science and Technology

      Posted on October 12, 2020

      Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
      Chemical Sciences 2020

      Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
      Physical Sciences 2020

    • Editorial Note on Continuous Article Publication

      Posted on July 25, 2019

      Click here for Editorial Note on CAP Mode

© 2021-2022 Indian Academy of Sciences, Bengaluru.