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Charge density waves tuned by biaxial tensile stress

Author

Listed:
  • A. Gallo–Frantz

    (Université Paris-Saclay, CNRS)

  • V. L. R. Jacques

    (Université Paris-Saclay, CNRS)

  • A. A. Sinchenko

    (Université Paris-Saclay, CNRS)

  • D. Ghoneim

    (Université Paris-Saclay, CNRS)

  • L. Ortega

    (Université Paris-Saclay, CNRS)

  • P. Godard

    (CNRS-Université de Poitiers-ENSMA)

  • P.-O. Renault

    (CNRS-Université de Poitiers-ENSMA)

  • A. Hadj-Azzem

    (Institut Néel)

  • J. E. Lorenzo

    (Institut Néel)

  • P. Monceau

    (Institut Néel)

  • D. Thiaudière

    (L’Orme des Merisiers)

  • P. D. Grigoriev

    (L. D. Landau Institute for Theoretical Physics
    National University of Science and Technology ‘MISiS’)

  • E. Bellec

    (NRS)

  • D. Bolloc’h

    (Université Paris-Saclay, CNRS)

Abstract

The precise arrangement and nature of atoms drive electronic phase transitions in condensed matter. To explore this tenuous link, we developed a true biaxial mechanical deformation device working at cryogenic temperatures, compatible with x-ray diffraction and transport measurements, well adapted to layered samples. Here we show that a slight deformation of TbTe3 can have a dramatic influence on its Charge Density Wave (CDW), with an orientational transition from c to a driven by the a/c parameter, a tiny coexistence region near a = c, and without space group change. The CDW transition temperature Tc displays a linear dependence with $$\left\vert a/c-1\right\vert$$ a / c − 1 while the gap saturates out of the coexistence region. This behaviour is well accounted for within a tight-binding model. Our results question the relationship between gap and Tc in RTe3 systems. This method opens a new route towards the study of coexisting or competing electronic orders in condensed matter.

Suggested Citation

  • A. Gallo–Frantz & V. L. R. Jacques & A. A. Sinchenko & D. Ghoneim & L. Ortega & P. Godard & P.-O. Renault & A. Hadj-Azzem & J. E. Lorenzo & P. Monceau & D. Thiaudière & P. D. Grigoriev & E. Bellec & D, 2024. "Charge density waves tuned by biaxial tensile stress," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-47626-5
    DOI: 10.1038/s41467-024-47626-5
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    References listed on IDEAS

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    1. Scott C. Riggs & M.C. Shapiro & Akash V Maharaj & S. Raghu & E.D. Bauer & R.E. Baumbach & P. Giraldo-Gallo & Mark Wartenbe & I.R. Fisher, 2015. "Evidence for a nematic component to the hidden-order parameter in URu2Si2 from differential elastoresistance measurements," Nature Communications, Nature, vol. 6(1), pages 1-6, May.
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