Superconductivity and correlated electron ferromagnetism in a magnetically-doped transition metal dichalcogenide

Max Planck Quantum Matter Seminar

  • Date: Apr 14, 2022
  • Time: 04:00 PM - 05:00 PM (Local Time Germany)
  • Speaker: Nikola Maksimovic
  • University of California, Berkeley
  • Location: online via Zoom
  • Host: James McIver
Superconductivity and correlated electron ferromagnetism in a magnetically-doped transition metal dichalcogenide

Spin-triplet superconductors are predicted to host exotic excitations which may find use in quantum information processing. One of the most promising hunting grounds for this elusive phenomenon is in weakly ferromagnetic metals, where spin fluctuations can induce spin-triplet superconductivity. This direction has yielded encouraging results in nearly-ferromagnetic uranium- and iron-based superconductors. In this talk, I will present results on a novel weak moment ferromagnet based on a transition metal dichalcogenide framework. By altering the concentration of magnetic atoms in the material, an unconventional superconducting phase can be stabilized in proximity or even partially coexistent with the ferromagnetic phase. I discuss our recent efforts to electrically control the magnetism in this material platform, opening the possibility of electrically controllable superconducting/ferromagnetic devices with potential use in quantum information processing and spintronics applications.

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