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Electric polarization reversal and memory in a multiferroic material induced by magnetic fields

Author

Listed:
  • N. Hur

    (Rutgers University)

  • S. Park

    (Rutgers University)

  • P. A. Sharma

    (Rutgers University)

  • J. S. Ahn

    (Rutgers University
    Pusan National University)

  • S. Guha

    (Rutgers University)

  • S-W. Cheong

Abstract

Ferroelectric and magnetic materials are a time-honoured subject of study and have led to some of the most important technological advances to date. Magnetism and ferroelectricity are involved with local spins and off-centre structural distortions, respectively. These two seemingly unrelated phenomena can coexist in certain unusual materials, termed multiferroics1,2,3,4,5,6,7,8,9,10,11. Despite the possible coexistence of ferroelectricity and magnetism, a pronounced interplay between these properties has rarely been observed6,12. This has prevented the realization of multiferroic devices offering such functionality13. Here, we report a striking interplay between ferroelectricity and magnetism in the multiferroic TbMn2O5, demonstrated by a highly reproducible electric polarization reversal and permanent polarization imprint that are both actuated by an applied magnetic field. Our results point to new device applications such as magnetically recorded ferroelectric memory.

Suggested Citation

  • N. Hur & S. Park & P. A. Sharma & J. S. Ahn & S. Guha & S-W. Cheong, 2004. "Electric polarization reversal and memory in a multiferroic material induced by magnetic fields," Nature, Nature, vol. 429(6990), pages 392-395, May.
    • Handle: RePEc:nat:nature:v:429:y:2004:i:6990:d:10.1038_nature02572
    DOI: 10.1038/nature02572
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    Cited by:

    1. Xianghan Xu & Yiqing Hao & Shiyu Peng & Qiang Zhang & Danrui Ni & Chen Yang & Xi Dai & Huibo Cao & R. J. Cava, 2023. "Large off-diagonal magnetoelectricity in a triangular Co2+-based collinear antiferromagnet," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    2. Yangliu Wu & Zhaozhuo Zeng & Haipeng Lu & Xiaocang Han & Chendi Yang & Nanshu Liu & Xiaoxu Zhao & Liang Qiao & Wei Ji & Renchao Che & Longjiang Deng & Peng Yan & Bo Peng, 2024. "Coexistence of ferroelectricity and antiferroelectricity in 2D van der Waals multiferroic," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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