Magnetization and Microstructure Dynamics in Fe/MnAs/GaAs (001): Fe Magnetization Reversal by a Femtosecond Laser Pulse (Articolo in rivista)

Type
Label
  • Magnetization and Microstructure Dynamics in Fe/MnAs/GaAs (001): Fe Magnetization Reversal by a Femtosecond Laser Pulse (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.113.247202 (literal)
Alternative label
  • Spezzani C.; Ferrari E.; Allaria E.; Vidal F.; Ciavardini A.; Delaunay R.; Capotondi F.; Pedersoli E.; Coreno M.; Svetina C.; Raimondi L.; Zangrando M.; Ivanov R.; Nikolov I.; Demidovich A.; Danailov M.B.; Popescu H.; Eddrief M.; De Ninno G.; Kiskinova M.; Sacchi M. (2014)
    Magnetization and Microstructure Dynamics in Fe/MnAs/GaAs (001): Fe Magnetization Reversal by a Femtosecond Laser Pulse
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Spezzani C.; Ferrari E.; Allaria E.; Vidal F.; Ciavardini A.; Delaunay R.; Capotondi F.; Pedersoli E.; Coreno M.; Svetina C.; Raimondi L.; Zangrando M.; Ivanov R.; Nikolov I.; Demidovich A.; Danailov M.B.; Popescu H.; Eddrief M.; De Ninno G.; Kiskinova M.; Sacchi M. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84918511102&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 113 (literal)
Rivista
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  • 24 (literal)
Note
  • Scopu (literal)
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  • ELETTRA-Sincrotrone Trieste, Trieste, 34149, Italy; Dipartimento di Fisica, Università Degli Studi di Trieste, Trieste, 34127, Italy; Sorbonne Universités, UPMC Univ Paris 06, INSP, Paris, F-75005, France; CNRS, UMR 7588, Institut des NanoSciences de Paris, Paris, F-75005, France; CNR, ISM, via Salaria km 29, Monterotondo Scalo (RM), 300-00016, Italy; Sorbonne Universités, UPMC Univ Paris 06, LCPMR, Paris, F-75005, France; CNRS, UMR 7614, LCPMR, Paris, F-75005, France; Graduate School of Nanotechnology, University of Trieste, Trieste, 34127, Italy; Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, France; Laboratory of Quantum Optics, University of Nova Gorica, Nova Gorica, 5001, Slovenia; DESY Photon Science, Notkestrasse 85, Hamburg, D-22607, Germany (literal)
Titolo
  • Magnetization and Microstructure Dynamics in Fe/MnAs/GaAs (001): Fe Magnetization Reversal by a Femtosecond Laser Pulse (literal)
Abstract
  • Thin film magnetization reversal without applying external fields is an attractive perspective for applications in sensors and devices. One way to accomplish it is by fine-tuning the microstructure of a magnetic substrate via temperature control, as in the case of a thin Fe layer deposited on a MnAs/GaAs(001) template. This work reports a time-resolved resonant scattering study exploring the magnetic and structural properties of the Fe/MnAs system, using a 100 fs optical laser pulse to trigger local temperature variations and a 100 fs x-ray free-electron laser pulse to probe the induced magnetic and structural dynamics. The experiment provides direct evidence that a single optical laser pulse can reverse the Fe magnetization locally. It reveals that the time scale of the magnetization reversal is slower than that of the MnAs structural transformations triggered by the optical pulse, which take place after a few picoseconds already. (literal)
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