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Manipulating ultrafast magnetization dynamics of ferromagnets using the odd-even layer dependence of two-dimensional transition metal di-chalcogenides
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SYSNO ASEP 0585213 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Manipulating ultrafast magnetization dynamics of ferromagnets using the odd-even layer dependence of two-dimensional transition metal di-chalcogenides Author(s) Dutta, S. (IN)
Husain, S. (SE)
Kumar, Prabhat (FZU-D) ORCID
Gupta, N.K. (IN)
Chaudhary, S. (IN)
Svedlindh, P. (SE)
Barman, A. (IN)Number of authors 7 Source Title Nanoscale. - : Royal Society of Chemistry - ISSN 2040-3364
Roč. 16, č. 8 (2024), s. 4105-4113Number of pages 9 s. Language eng - English Country GB - United Kingdom Keywords transition metal dichalcogenides ; ferromagnet Subject RIV BM - Solid Matter Physics ; Magnetism OECD category Condensed matter physics (including formerly solid state physics, supercond.) Institutional support FZU-D - RVO:68378271 UT WOS 001160701000001 EID SCOPUS 85185702239 DOI 10.1039/d3nr06197c Annotation Two-dimensional transition metal dichalcogenides (TMDs) have drawn immense interest due to their strong spin–orbit coupling and unique layer number dependence in response to spin–valley coupling. This leads to the possibility of controlling the spin degree of freedom of the ferromagnet (FM) in thin film heterostructures and may prove to be of interest for next-generation spin-based devices. Here, we experimentally demonstrate the odd–even layer dependence of WS2 nanolayers by measurements of the ultrafast magnetization dynamics in WS2/Co3FeB thin film heterostructures by using time-resolved Kerr magnetometry. The fluence (photon energy per unit area) dependent magnetic damping (α) reveals the existence of broken symmetry and the dominance of inter- and intraband scattering for odd and even layers of WS2, respectively. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2025
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