Breakthrough in Superconducting Materials Research

Strategic Insights -

Researchers at Shenyang National Laboratory for Materials Science have made a groundbreaking discovery in the field of superconducting materials. Through a series of experiments, they have observed a unique two-fold symmetry of transport anisotropy associated with the crystallographic directions in 2D ultrathin MoC superconducting crystals. This finding has significant implications for the engineering of exotic electronic phases and the expansion of functionalities for various applications.

Key Takeaways:

  • The research team, led by Chuan Xu, discovered a two-fold symmetry of transport anisotropy associated with the crystallographic directions in 2D ultrathin MoC superconducting crystals.
  • Angle-resolved transport measurements revealed the modulation of the longitudinal and transverse resistance on an in-plane magnetic field, which coincided with an enhanced superconducting fluctuation near the superconducting transition.
  • Large nonreciprocal charge transport was observed, indicating spatial inversion symmetry breaking, which was supported by atomic-scale characterizations.
  • The research team demonstrated the potential of engineering phases and polymorphs to manipulate superconducting properties and functionalities in ultrathin transition metal carbides.
  • Chuan Xu, the lead researcher, stated that their work reveals the versatility of these materials and the possibility of manipulating their properties through the creation of new phases and polymorphs.
  • The research has been peer-reviewed and published in Nano Letters, a journal published by the American Chemical Society.

Statistics:

  • The research team used angle-resolved transport measurements to study the anisotropy of transport in 2D ultrathin MoC superconducting crystals.
  • The measurements were performed on samples with a thickness of 10-20 nm.
  • The research revealed a two-fold symmetry of transport anisotropy, which is a new phenomenon in superconducting materials.
  • The research team observed large nonreciprocally charge transport, which indicates spatial inversion symmetry breaking.

Sources:

  • NewsRx. New Findings from Shenyang National Laboratory for Materials Science in the Area of Science Reported (Observation of a Two-fold Anisotropy in Ultrathin Mo2C Superconducting Crystals). Journal of Engineering. October 27, 2025; p 1855.
  • Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, People's Republic of China
  • American Chemical Society, 1155 16TH St, NW, Washington, DC 20036, USA, publisher of Nano Letters