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      Permanent link:
      https://www.ias.ac.in/article/fulltext/boms/038/03/0725-0729

    • Keywords

       

      La0.67Sr0.33MnO3/BaTiO3 films; leakage current transport mechanism; Schottky barrier.

    • Abstract

       

      La0.67Sr0.33MnO3/BaTiO3(LSMO/BTO) bilayer films were epitaxially grown on Nb:SrTiO3 (NSTO) substrates by the pulsed laser deposition technique. Current–voltage (𝐼–𝑉) characteristics of the LSMO/BTO bilayer films were studied. 𝐼–𝑉 curves were measured at room temperature, which show rectifying behaviour and can be well fitted by the space-charge-limited current mechanism under forward bias while thermionic emission model under reverse bias. Analysis indicates that a modulating Schottky barrier exists at the LSMO/BTO interface, which dominates the leakage current transport properties of LSMO/BTO bilayer films.

    • Author Affiliations

       

      Pan Ruikun1 2 Liu Panke1 Li Mingkai1 Tao Haizheng2 Li Pai1 He Yunbin1

      1. Key Laboratory of Green Preparation & Application for Functional Materials, Ministry of Education, Faculty of Materials Science & Engineering, Hubei University, Wuhan 430062, China
      2. State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China

    • Dates

       
      Published
      June 2015
      Manuscript received
      4 November 2014
      Manuscript revised
      4 January 2015

  • 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

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      Posted on July 25, 2019

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