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Magnetoelectric quasi-(0-3) nanocomposite heterostructures

Author

Listed:
  • Yanxi Li

    (Virginia Tech)

  • Zhongchang Wang

    (Advanced Institute for Materials Research, Tohoku University)

  • Jianjun Yao

    (Virginia Tech
    Asylum Research)

  • Tiannan Yang

    (Pennsylvania State University)

  • Zhiguang Wang

    (Virginia Tech)

  • Jia-Mian Hu

    (Pennsylvania State University)

  • Chunlin Chen

    (Advanced Institute for Materials Research, Tohoku University)

  • Rong Sun

    (Institute of Engineering Innovation, The University of Tokyo)

  • Zhipeng Tian

    (Virginia Tech)

  • Jiefang Li

    (Virginia Tech)

  • Long-Qing Chen

    (Pennsylvania State University)

  • Dwight Viehland

    (Virginia Tech)

Abstract

Magnetoelectric composite thin films hold substantial promise for applications in novel multifunctional devices. However, there are presently shortcomings for both the extensively studied bilayer epitaxial (2-2) and vertically architectured nanocomposite (1-3) film systems, restricting their applications. Here we design a novel growth strategy to fabricate an architectured nanocomposite heterostructure with magnetic quasiparticles (0) embedded in a ferroelectric film matrix (3) by alternately growing (2-2) and (1-3) layers within the film. The new heteroepitaxial films not only overcome the clamping effect from substrate, but also significantly suppress the leakage current paths through the ferromagnetic phase. We demonstrate, by focusing on switching characteristics of the piezoresponse, that the heterostructure shows magnetic field dependence of piezoelectricity due to the improved coupling enabled by good connectivity amongst the piezoelectric and magnetostrictive phases. This new architectured magnetoelectric heterostructures may open a new avenue for applications of magnetoelectric films in micro-devices.

Suggested Citation

  • Yanxi Li & Zhongchang Wang & Jianjun Yao & Tiannan Yang & Zhiguang Wang & Jia-Mian Hu & Chunlin Chen & Rong Sun & Zhipeng Tian & Jiefang Li & Long-Qing Chen & Dwight Viehland, 2015. "Magnetoelectric quasi-(0-3) nanocomposite heterostructures," Nature Communications, Nature, vol. 6(1), pages 1-7, May.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms7680
    DOI: 10.1038/ncomms7680
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