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Comparison of Techniques for the Quantitative Determination of the Interfacial Dzyaloshinskii-Moriya Interaction in Ultrathin Magnetic Films

  • M. Kuepferling
  • , C. H. Back
  • , A. Casiraghi
  • , L. Chen
  • , A. Di Pietro
  • , G. Durin
  • , F. Garcia Sanchez
  • , B. J. Hickey
  • , C. Y. Hwang
  • , G. Jakob
  • , M. Kläui
  • , M. Madami
  • , A. Magni
  • , C. H. Marrows
  • , H. T. Nembach
  • , V. Puliafito
  • , J. M. Shaw
  • , G. Soares
  • , S. Tacchi
  • , G. Carlotti

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The accurate measurement of the Dzyaloshinskii-Moriya interaction (DMI) in ultrathin ferromagnetic/heavy metal heterostructures was recently shown to require extreme experimental care. In this presentation the current state-of-the-art of measuring interfacial DMI is reviewed, and two of the most popular techniques - non-reciprocity of thermally activated magnetostatic spin wave dispersion and asymmetric bubble domain expansion - are discussed for their reliability and applicability. Furthermore, the large discrepancies observed recently between the two techniques are analyzed, and possible origins are discussed. The presentation aims to achieve a deeper comprehension of the reasons behind the discrepancies and to assess the applicability of various techniques to different heterostructures.

Original languageEnglish
Title of host publication2024 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2024 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350362213
DOIs
StatePublished - 2024
Event2024 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2024 - Rio de Janeiro, Brazil
Duration: 5 May 202410 May 2024

Publication series

Name2024 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2024 - Proceedings

Conference

Conference2024 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2024
Country/TerritoryBrazil
CityRio de Janeiro
Period5/05/2410/05/24

Keywords

  • Brillouin light scattering
  • Dzyaloshinskii-Moriya interaction
  • magneto-optic Kerr effect
  • metrology
  • spintronics

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