Kondo driven suppression of charge density wave in Van der Waals material UTe<sub>3</sub>

ORAL

Abstract

Charge density waves (CDWs) commonly emerge in low-dimensional materials with nested Fermi surfaces, where the resulting electronic instability drives a spontaneous symmetry breaking. This phenomenon is especially well established in the rare-earth tritelluride family (RETe3), where a unidirectional CDW forms with a wave vector closely matching Fermi surface nesting. However, whether such ordering survives in systems with strong electronic correlations remains largely unexplored. Here, we present suppression of charge density wave via the Kondo interaction in ferromagnetic van der Waals material UTe3. The angle-resolved photoemission spectroscopy (ARPES) data reveals Fermi surface nesting under similar conditions as seen in RETe3 compounds. Despite that, no CDW is found in UTe3 after an extensive search. We demonstrate that the Kondo interaction from the 5 f uranium electrons suppresses the CDW, with evidence from ARPES and theoretical modeling. Our results reveal a rare example where Kondo hybridization preempts density wave formation, offering a new route to controlling ordering phenomena in correlated 2D materials.

*National Science Foundation (NSF) Division of Materials Research Award DMR-2236528

Presenters

  • Justin Shotton

    • Washington University in St. Louis

Authors

  • Justin Shotton

    • Washington University in St. Louis
  • Sheng Ran

    • Washington University, St. Louis
  • Zackary R Rehfuss

    • Washington University, St. Louis
  • Jonathan David Denlinger

    • Lawrence Berkeley National Laboratory