Controlling magnetism through Ising superconductivity in magnetic van der Waals heterostructures

TL;DR

This paper demonstrates how Ising superconductivity in NbSe2 can be used to control magnetic states in van der Waals heterostructures, enabling tunable superconducting spin-orbitronic devices.

Contribution

It introduces a novel ferromagnet/NbSe2/ferromagnet heterostructure where superconductivity and spin-orbit coupling are used to manipulate magnetic alignment.

Findings

Magnetic states can be controlled via superconductivity and spin-orbit effects.

Hybrid heterostructures serve as a platform for superconducting spin-orbitronics.

Interplay between magnetism and Ising superconductivity enables tunable magnetic configurations.

Abstract

Van der Waals heterostructures have risen as a tunable platform to combine different electronic orders, due to the flexibility in stacking different materials with competing symmetry broken states. Among them, van der Waals ferromagnets such as CrI3 and superconductors as NbSe2 provide a natural platform to engineer novel phenomena at ferromagnet-superconductor interfaces. In particular, NbSe2 is well known for hosting strong spin-orbit coupling effects that influence the properties of the superconducting state. Here we put forward a ferromagnet/NbSe2/ferromagnet heterostructure where the interplay between Ising superconductivity in NbSe2 and magnetism controls the magnetic alignment of the heterostructure. In particular, we show that the interplay between spin-orbit coupling and superconductivity allows controlling magnetic states in van der Waals materials. Our results show how hybrid van der Waals ferromagnet/superconductor heterostructure can be used as a tunable materials platform for superconducting spin-orbitronics.