Spin dynamics in van der Waals magnetic systems

Chunli Tang, Laith Alahmed, Muntasir Mahdi, Yuzan Xiong, Jerad Inman, Nathan J. McLaughlin, Christoph Zollitsch, Tae Hee Kim, Chunhui Rita Du, Hidekazu Kurebayashi, Elton J.G. Santos, Wei Zhang, Peng Li, Wencan Jin

Research output: Contribution to journalReview articlepeer-review

10 Scopus citations


The discovery of atomic monolayer magnetic materials has stimulated intense research activities in the two-dimensional (2D) van der Waals (vdW) materials community. The field is growing rapidly and there has been a large class of 2D vdW magnetic compounds with unique properties, which provides an ideal platform to study magnetism in the atomically thin limit. In parallel, based on tunneling magnetoresistance and magneto-optical effect in 2D vdW magnets and their heterostructures, emerging concepts of spintronic and optoelectronic applications such as spin tunnel field-effect transistors and spin-filtering devices are explored. While the magnetic ground state has been extensively investigated, reliable characterization and control of spin dynamics play a crucial role in designing ultrafast spintronic devices. Ferromagnetic resonance (FMR) allows direct measurements of magnetic excitations, which provides insight into the key parameters of magnetic properties such as exchange interaction, magnetic anisotropy, gyromagnetic ratio, spin–orbit coupling, damping rate, and domain structure. In this review article, we present an overview of the essential progress in probing spin dynamics of 2D vdW magnets using FMR techniques. Given the dynamic nature of this field, we focus mainly on broadband FMR, optical FMR, and spin-torque FMR, and their applications in studying prototypical 2D vdW magnets. We conclude with the recent advances in laboratory- and synchrotron-based FMR techniques and their opportunities to broaden the horizon of research pathways into atomically thin magnets.

Original languageEnglish
Pages (from-to)1-36
Number of pages36
JournalPhysics Reports
StatePublished - 24 Aug 2023

Bibliographical note

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© 2023


  • Ferromagnetic resonance
  • Magnetization dynamics
  • Spin wave
  • Spintronics
  • Two-dimensional magnetism
  • van der Waals materials


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