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A nanoscale shape memory oxide

Author

Listed:
  • Jinxing Zhang

    (Beijing Normal University
    University of California)

  • Xiaoxing Ke

    (EMAT (Electron Microscopy for Materials Science), University of Antwerp, Groenenborgerlaan 171, Antwerp 2020, Belgium)

  • Gaoyang Gou

    (Multi-disciplinary Materials Research Center, Frontier Institute of Science and Technology, Xi’an Jiaotong University)

  • Jan Seidel

    (University of California
    School of Materials Science and Engineering, University of New South Wales)

  • Bin Xiang

    (CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China
    National Center for Electron Microscopy, Lawrence Berkeley National Laboratory)

  • Pu Yu

    (University of California
    Tsinghua University)

  • Wen-I. Liang

    (National Chiao Tung University)

  • Andrew M. Minor

    (National Center for Electron Microscopy, Lawrence Berkeley National Laboratory
    University of California)

  • Ying-hao Chu

    (National Chiao Tung University)

  • Gustaaf Van Tendeloo

    (EMAT (Electron Microscopy for Materials Science), University of Antwerp, Groenenborgerlaan 171, Antwerp 2020, Belgium)

  • Xiaobing Ren

    (Multi-disciplinary Materials Research Center, Frontier Institute of Science and Technology, Xi’an Jiaotong University)

  • Ramamoorthy Ramesh

    (University of California
    University of California)

Abstract

Stimulus-responsive shape-memory materials have attracted tremendous research interests recently, with much effort focused on improving their mechanical actuation. Driven by the needs of nanoelectromechanical devices, materials with large mechanical strain, particularly at nanoscale level, are therefore desired. Here we report on the discovery of a large shape-memory effect in bismuth ferrite at the nanoscale. A maximum strain of up to ~14% and a large volumetric work density of ~600±90 J cm−3 can be achieved in association with a martensitic-like phase transformation. With a single step, control of the phase transformation by thermal activation or electric field has been reversibly achieved without the assistance of external recovery stress. Although aspects such as hysteresis, microcracking and so on have to be taken into consideration for real devices, the large shape-memory effect in this oxide surpasses most alloys and, therefore, demonstrates itself as an extraordinary material for potential use in state-of-art nanosystems.

Suggested Citation

  • Jinxing Zhang & Xiaoxing Ke & Gaoyang Gou & Jan Seidel & Bin Xiang & Pu Yu & Wen-I. Liang & Andrew M. Minor & Ying-hao Chu & Gustaaf Van Tendeloo & Xiaobing Ren & Ramamoorthy Ramesh, 2013. "A nanoscale shape memory oxide," Nature Communications, Nature, vol. 4(1), pages 1-8, December.
  • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms3768
    DOI: 10.1038/ncomms3768
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    Cited by:

    1. Donghoon Kim & Minsoo Kim & Steffen Reidt & Hyeon Han & Ali Baghizadeh & Peng Zeng & Hongsoo Choi & Josep Puigmartí-Luis & Morgan Trassin & Bradley J. Nelson & Xiang-Zhong Chen & Salvador Pané, 2023. "Shape-memory effect in twisted ferroic nanocomposites," Nature Communications, Nature, vol. 14(1), pages 1-8, December.

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