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Laser heated ferromagnetic simulations
KTH, Skolan för informations- och kommunikationsteknik (ICT), Material- och nanofysik, Materialfysik, MF.ORCID-id: 0000-0003-4341-5663
Vise andre og tillknytning
2015 (engelsk)Inngår i: ULTRAFAST MAGNETISM I, 2015, s. 76-78Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

In this work, we show a model of ferromagnetic material heated by a laser pulse. The laser creates a pattern of circles on the ferromagnetic materials with hot regions heated up to 3000K and cold regions at 100K and 400K. In our model the Landau-Lifshitz-Gilbert equation for a macrospin and spin temperature is passed through stochastic field. We show that the difference of magnon dispersion in the cold regions of the material.

sted, utgiver, år, opplag, sider
2015. s. 76-78
Emneord [en]
Dispersions, Ferromagnetic materials, Ferromagnetism, Magnetism, Stochastic models, Stochastic systems, Cold regions, Hot regions, Landau-Lifshitz-Gilbert equations, Spin temperature, Stochastic field, Magnetic materials
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-167396DOI: 10.1007/978-3-319-07743-7_25ISI: 000349745400025Scopus ID: 2-s2.0-84910633071ISBN: 978-3-319-07743-7 (tryckt)ISBN: 978-3-319-07742-0 (tryckt)OAI: oai:DiVA.org:kth-167396DiVA, id: diva2:814473
Konferanse
International Conference on Ultrafast Magnetism, UMC 2013, 28 October 2013 through 1 November 2013, Strasbourg, France
Merknad

QC 20150527

Tilgjengelig fra: 2015-05-27 Laget: 2015-05-22 Sist oppdatert: 2015-05-27bibliografisk kontrollert

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Bergqvist, Lars

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Totalt: 208 treff
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