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Ferroelectric nematic liquids with conics

Author

Listed:
  • Priyanka Kumari

    (Kent State University
    Kent State University)

  • Bijaya Basnet

    (Kent State University
    Kent State University)

  • Hao Wang

    (Kent State University)

  • Oleg D. Lavrentovich

    (Kent State University
    Kent State University
    Kent State University)

Abstract

Spontaneous electric polarization of solid ferroelectrics follows aligning directions of crystallographic axes. Domains of differently oriented polarization are separated by domain walls (DWs), which are predominantly flat and run along directions dictated by the bulk translational order and the sample surfaces. Here we explore DWs in a ferroelectric nematic (NF) liquid crystal, which is a fluid with polar long-range orientational order but no crystallographic axes nor facets. We demonstrate that DWs in the absence of bulk and surface aligning axes are shaped as conic sections. The conics bisect the angle between two neighboring polarization fields to avoid electric charges. The remarkable bisecting properties of conic sections, known for millennia, play a central role as intrinsic features of liquid ferroelectrics. The findings could be helpful in designing patterns of electric polarization and space charge.

Suggested Citation

  • Priyanka Kumari & Bijaya Basnet & Hao Wang & Oleg D. Lavrentovich, 2023. "Ferroelectric nematic liquids with conics," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-36326-1
    DOI: 10.1038/s41467-023-36326-1
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    References listed on IDEAS

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    1. Bijaya Basnet & Mojtaba Rajabi & Hao Wang & Priyanka Kumari & Kamal Thapa & Sanjoy Paul & Maxim O. Lavrentovich & Oleg D. Lavrentovich, 2022. "Soliton walls paired by polar surface interactions in a ferroelectric nematic liquid crystal," Nature Communications, Nature, vol. 13(1), pages 1-13, December.
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    Cited by:

    1. Jin-Tao Pan & Bo-Han Zhu & Ling-Ling Ma & Wei Chen & Guang-Yang Zhang & Jie Tang & Yuan Liu & Yang Wei & Chao Zhang & Zhi-Han Zhu & Wen-Guo Zhu & Guixin Li & Yan-Qing Lu & Noel A. Clark, 2024. "Nonlinear geometric phase coded ferroelectric nematic fluids for nonlinear soft-matter photonics," Nature Communications, Nature, vol. 15(1), pages 1-10, December.

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