Cited by 67Magnetic properties of thin filmsLaser-Matter Interactions and ApplicationsTerahertz technology and applications

Simultaneous measurements of terahertz emission and magneto-optical Kerr effect for resolving ultrafast laser-induced demagnetization dynamics

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Huisman, T. J., Mikhaylovskiy, R. V., Tsukamoto, A., Rasing, Th., Kimel, A. V.·2015·Physical Review B

Abstract

Simultaneous detection of terahertz (THz) emission and transient magneto-optical response is employed to study ultrafast laser-induced magnetization dynamics in three different types of amorphous metallic alloys: Co, GdFeCo, and NdFeCo. A satisfactory agreement between the dynamics revealed with the help of these two techniques is obtained for Co and GdFeCo. For NdFeCo the THz emission indicates faster dynamics than the magneto-optical response. This observation indicates that in addition to spin dynamics of Fe, ultrafast laser excitation of NdFeCo triggers faster magnetization dynamics of Nd originating from its orbital momentum.

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  • THz emission has been observed from numerous other FM crystals, amorphous magnetic alloys, and heterostructures with magnetic constituents.

    “THz emission has been observed from numerous other FM crystals, amorphous magnetic alloys120, and heterostructures with magnetic constituents121.”

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Authors
Huisman, T. J., Mikhaylovskiy, R. V., Tsukamoto, A., Rasing, T., & Kimel, A. V.
Affiliations
  • Radboud University Nijmegen (NL)
  • Nihon University (JP)
Venue
Physical Review B
Published
2015-09-17
Volume
92
Issue
10
ISSN
  • 1098-0121 (ISSN-L)
  • 1550-235X
OpenAlex
W1532911903
Cited by
67
References
39
Citations by year
2026: 4 · 2025: 7 · 2024: 3 · 2023: 8 · 2022: 10 · 2021: 6 · 2020: 6 · 2019: 6 · 2018: 2 · 2017: 8 · 2016: 4 · 2015: 3
FWCI
2.88
Type
journal article
Language
en
Open access
Locations
  • Physical Review B (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • Radboud Repository (Radboud University) (submittedVersion)
  • Radboud Repository (Radboud University) (submittedVersion, other-oa)
  • arXiv (Cornell University)
Funders
  • Stichting voor Fundamenteel Onderzoek der Materie
  • Seventh Framework Programme (FP7/2007-2013, 280555)
  • European Research Council (257280)
  • Ministry of Education and Science of the Russian Federation (14.Z50.31.0034)
Topics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Magnetic properties of thin films
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Terahertz technology and applications
Keywords
terahertz emission, magneto-optical Kerr effect, ultrafast magnetization dynamics, laser-induced demagnetization, amorphous alloys, CO, GdFeCo, spin dynamics, orbital magnetization

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