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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