Indirect excitation of ultrafast demagnetization
dc.contributor.author | Vodungbo, Boris | |
dc.contributor.author | Tudu, Bharati | |
dc.contributor.author | Perron, Jonathan | |
dc.contributor.author | Delaunay, Renaud | |
dc.contributor.author | Müller, Leonard | |
dc.contributor.author | Berntsen, Magnus H. | |
dc.contributor.author | Grübel, Gerhard | |
dc.contributor.author | Malinowski, Grégory | |
dc.contributor.author | Weier, Christian | |
dc.contributor.author | Gautier, Julien | |
dc.contributor.author | Lambert, Guillaume | |
dc.contributor.author | Zeitoun, Philippe | |
dc.contributor.author | Gutt, Christian | |
dc.contributor.author | Jal, Emmanuelle | |
dc.contributor.author | Reid, Alexander H. | |
dc.contributor.author | Granitzka, Patrick W. | |
dc.contributor.author | Jaouen, Nicolas | |
dc.contributor.author | Dakovski, Georgi L. | |
dc.contributor.author | Moeller, Stefan | |
dc.contributor.author | Minitti, Michael P. | |
dc.contributor.author | Mitra, Ankush | |
dc.contributor.author | Carron, Sebastian | |
dc.contributor.author | Pfau, Bastian | |
dc.contributor.author | Korff Schmising, Clemens von | |
dc.contributor.author | Schneider, Michael | |
dc.contributor.author | Eisebitt, Stefan | |
dc.contributor.author | Lüning, Jan | |
dc.date.accessioned | 2020-05-20T16:07:57Z | |
dc.date.available | 2020-05-20T16:07:57Z | |
dc.date.issued | 2016 | |
dc.description.abstract | Does the excitation of ultrafast magnetization require direct interaction between the photons of the optical pump pulse and the magnetic layer? Here, we demonstrate unambiguously that this is not the case. For this we have studied the magnetization dynamics of a ferromagnetic cobalt/palladium multilayer capped by an IR-opaque aluminum layer. Upon excitation with an intense femtosecond-short IR laser pulse, the film exhibits the classical ultrafast demagnetization phenomenon although only a negligible number of IR photons penetrate the aluminum layer. In comparison with an uncapped cobalt/palladium reference film, the initial demagnetization of the capped film occurs with a delayed onset and at a slower rate. Both observations are qualitatively in line with energy transport from the aluminum layer into the underlying magnetic film by the excited, hot electrons of the aluminum film. Our data thus confirm recent theoretical predictions. | en |
dc.description.sponsorship | BMBF, 05K10KTB, Verbundprojekt: FSP 301 - FLASH: Nanoskopische Systeme. Teilprojekt 1.1: Universelle Experimentierkammer für Streuexperimente mit kohärenten Femtosekunden-Röntgenpulsen Multi Purpose Coherent Scattering Chamber for FLASH and XFEL 'MPscatt' | en |
dc.description.sponsorship | BMBF, 05K13KT4, Verbundprojekt FSP 302 - Freie-Elektronen-Laser: Nanoskopische Systeme. Teilprojekt 1: Split-and-Delay Instrument für die European XFEL Beamline Materials Imaging and Dynamics | en |
dc.description.sponsorship | DFG, 170620586, SFB 925: Licht-induzierte Dynamik und Kontrolle korrelierter Quantensysteme | en |
dc.identifier.eissn | 2045-2322 | |
dc.identifier.pmid | 26733106 | en |
dc.identifier.uri | https://depositonce.tu-berlin.de/handle/11303/11184 | |
dc.identifier.uri | http://dx.doi.org/10.14279/depositonce-10075 | |
dc.language.iso | en | |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.subject.ddc | 530 Physik | de |
dc.subject.other | excitation | en |
dc.subject.other | demagnetization | en |
dc.subject.other | magnetization dynamics | en |
dc.subject.other | ferromagnetic multilayer | en |
dc.subject.other | cobalt | en |
dc.subject.other | palladium | en |
dc.title | Indirect excitation of ultrafast demagnetization | en |
dc.type | Article | en |
dc.type.version | publishedVersion | en |
dcterms.bibliographicCitation.articlenumber | 18970 | |
dcterms.bibliographicCitation.doi | 10.1038/srep18970 | |
dcterms.bibliographicCitation.issue | 1 | |
dcterms.bibliographicCitation.journaltitle | Scientific Reports | en |
dcterms.bibliographicCitation.originalpublishername | Springer Nature | en |
dcterms.bibliographicCitation.originalpublisherplace | London | en |
dcterms.bibliographicCitation.volume | 6 | |
tub.accessrights.dnb | free | |
tub.affiliation | Fak. 2 Mathematik und Naturwissenschaften::Inst. Optik und Atomare Physik::FG Röntgenoptik und Nanometer-Optik | de |
tub.affiliation.faculty | Fak. 2 Mathematik und Naturwissenschaften | de |
tub.affiliation.group | FG Röntgenoptik und Nanometer-Optik | de |
tub.affiliation.institute | Inst. Optik und Atomare Physik | de |
tub.publisher.universityorinstitution | Technische Universität Berlin | de |
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