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Concurrent transition of ferroelectric and magnetic ordering near room temperature

Author

Listed:
  • Kyung-Tae Ko

    (POSTECH)

  • Min Hwa Jung

    (POSTECH)

  • Qing He

    (University of California)

  • Jin Hong Lee

    (KAIST)

  • Chang Su Woo

    (KAIST)

  • Kanghyun Chu

    (KAIST)

  • Jan Seidel

    (University of California
    Lawrence Berkeley National Laboratory)

  • Byung-Gu Jeon

    (CeNSCMR, Seoul National University)

  • Yoon Seok Oh

    (CeNSCMR, Seoul National University)

  • Kee Hoon Kim

    (CeNSCMR, Seoul National University)

  • Wen-I Liang

    (National Chiao-Tung University)

  • Hsiang-Jung Chen

    (National Chiao-Tung University)

  • Ying-Hao Chu

    (National Chiao-Tung University)

  • Yoon Hee Jeong

    (POSTECH)

  • Ramamoorthy Ramesh

    (University of California
    Lawrence Berkeley National Laboratory
    University of California)

  • Jae-Hoon Park

    (POSTECH
    POSTECH)

  • Chan-Ho Yang

    (KAIST
    KAIST Institute for the NanoCentury)

Abstract

Strong spin-lattice coupling in condensed matter gives rise to intriguing physical phenomena such as colossal magnetoresistance and giant magnetoelectric effects. The phenomenological hallmark of such a strong spin-lattice coupling is the manifestation of a large anomaly in the crystal structure at the magnetic transition temperature. Here we report that the magnetic Néel temperature of the multiferroic compound BiFeO3 is suppressed to around room temperature by heteroepitaxial misfit strain. Remarkably, the ferroelectric state undergoes a first-order transition to another ferroelectric state simultaneously with the magnetic transition temperature. Our findings provide a unique example of a concurrent magnetic and ferroelectric transition at the same temperature among proper ferroelectrics, taking a step toward room temperature magnetoelectric applications.

Suggested Citation

  • Kyung-Tae Ko & Min Hwa Jung & Qing He & Jin Hong Lee & Chang Su Woo & Kanghyun Chu & Jan Seidel & Byung-Gu Jeon & Yoon Seok Oh & Kee Hoon Kim & Wen-I Liang & Hsiang-Jung Chen & Ying-Hao Chu & Yoon Hee, 2011. "Concurrent transition of ferroelectric and magnetic ordering near room temperature," Nature Communications, Nature, vol. 2(1), pages 1-8, September.
    • Handle: RePEc:nat:natcom:v:2:y:2011:i:1:d:10.1038_ncomms1576
    DOI: 10.1038/ncomms1576
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    Cited by:

    1. Guoqiang Xi & Yue-Wen Fang & Dongxing Zheng & Shuai Xu & Hangren Li & Jie Tu & Fangyuan Zhu & Xudong Liu & Xiuqiao Liu & Qianqian Yang & Jiushe He & Junwei Zhang & Wugang Liao & Jiesu Wang & Shiyao Wu, 2025. "Anionic Strategy-Modulated Magnetic Ordering in Super-elongated Multiferroic Epitaxial Films," Nature Communications, Nature, vol. 16(1), pages 1-11, December.

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