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Above-room-temperature ferroelectricity in a single-component molecular crystal

Author

Listed:
  • Sachio Horiuchi

    (National Institute of Advanced Industrial Science and Technology (AIST))

  • Yusuke Tokunaga

    (Multiferroics Project, ERATO, Japan Science and Technology Agency (JST), Wako, Saitama 351-0198, Japan)

  • Gianluca Giovannetti

    (Consiglio Nazionale delle Ricerche—Ist. Naz. Fisica Materia (CNR-INFM), CASTI Regional Laboratory
    Institut Lorenz for Theoretical Physics, Leiden University)

  • Silvia Picozzi

    (Consiglio Nazionale delle Ricerche—Ist. Naz. Fisica Materia (CNR-INFM), CASTI Regional Laboratory)

  • Hirotake Itoh

    (Multiferroics Project, ERATO, Japan Science and Technology Agency (JST), Wako, Saitama 351-0198, Japan)

  • Ryo Shimano

    (Multiferroics Project, ERATO, Japan Science and Technology Agency (JST), Wako, Saitama 351-0198, Japan
    The University of Tokyo)

  • Reiji Kumai

    (National Institute of Advanced Industrial Science and Technology (AIST))

  • Yoshinori Tokura

    (National Institute of Advanced Industrial Science and Technology (AIST)
    Multiferroics Project, ERATO, Japan Science and Technology Agency (JST), Wako, Saitama 351-0198, Japan
    The University of Tokyo)

Abstract

Ferroelectricity goes organic Ferroelectric compounds have a range of properties useful in practical applications, including polarity reversal in electric fields, temperature sensitivity and the ability to convert mechanical stress into electricity. It is generally assumed that ferroelectricity is rare and mostly poor in organic compounds, but Horiuchi et al. now report the discovery of above-room-temperature ferroelectricity with relatively high polarization in the organic crystal croconic acid, a component of black dyes. These properties are not readily apparent in the crystalline form of this simple molecule, but they emerge on application of a modest electric field that induces a molecular-topological keto-enol conversion. This finding raises the prospect that organic ferroelectrics might be much more abundant that previously thought.

Suggested Citation

  • Sachio Horiuchi & Yusuke Tokunaga & Gianluca Giovannetti & Silvia Picozzi & Hirotake Itoh & Ryo Shimano & Reiji Kumai & Yoshinori Tokura, 2010. "Above-room-temperature ferroelectricity in a single-component molecular crystal," Nature, Nature, vol. 463(7282), pages 789-792, February.
    • Handle: RePEc:nat:nature:v:463:y:2010:i:7282:d:10.1038_nature08731
    DOI: 10.1038/nature08731
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    Cited by:

    1. Kun Ding & Haoshen Ye & Changyuan Su & Yu-An Xiong & Guowei Du & Yu-Meng You & Zhi-Xu Zhang & Shuai Dong & Yi Zhang & Da-Wei Fu, 2023. "Superior ferroelectricity and nonlinear optical response in a hybrid germanium iodide hexagonal perovskite," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    2. Pavan Ravindra & Xavier R. Advincula & Christoph Schran & Angelos Michaelides & Venkat Kapil, 2024. "Quasi-one-dimensional hydrogen bonding in nanoconfined ice," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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