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Nonequilibrium Magnetization Dynamics of Gadolinium Studied by Magnetic Linear Dichroismin Time-Resolved 4f Core-Level Photoemission

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Nonequilibrium Magnetization Dynamics of Gadolinium Studied by Magnetic Linear Dichroismin Time-Resolved 4f Core-Level Photoemission

dc.contributor.author	Melnikov, A.
dc.contributor.author	Prima García, Helena
dc.contributor.author	Lisowski, M.
dc.contributor.author	Gießel, T.
dc.contributor.author	Weber, R.
dc.contributor.author	Schmidt, R.
dc.contributor.author	Gahl, C.
dc.contributor.author	Bulgakova, N.M.
dc.contributor.author	Bovensiepen, U.
dc.contributor.author	Weinelt, M.
dc.date.accessioned	2016-01-08T10:33:16Z
dc.date.available	2016-01-08T10:33:16Z
dc.date.issued	2008
dc.identifier.citation	Melnikov, A.; Prima García, Helena; Lisowski, M.; Gießel, T.; Weber, R.; Schmidt, R.; Gahl, C.; Bulgakova, N.M.; Bovensiepen, U.; Weinelt, M. (2008) Nonequilibrium Magnetization Dynamics of Gadolinium Studied by Magnetic Linear Dichroismin Time-Resolved 4f Core-Level Photoemission Physical Review Letters 100 10 107202-1 107202-4
dc.identifier.uri	http://hdl.handle.net/10550/49864
dc.description.abstract	The magnetic linear dichroism of the gadolinium 4f core level is studied in a time-resolved photoemission experiment employing laser pump- and synchrotron-radiation probe pulses. Upon optical excitation of the 5d6s valence electrons with femtosecond laser pulses, the magnetic order in the 4f spin system is reduced. Remarkably, the linear dichroism remains at 80% of the equilibrium contrast while the lattice temperature reaches the Curie temperature due to electron-phonon scattering. Contrasting itinerant ferromagnets, this shows that equilibration between the lattice and spin subsystems takes in Gd about 80 ps and is established in parallel with heat diffusion.
dc.language.iso	eng
dc.relation.ispartof	Physical Review Letters, 2008, vol. 100, num. 10, p. 107202-1-107202-4
dc.subject	Física
dc.subject	Ciència dels materials
dc.title	Nonequilibrium Magnetization Dynamics of Gadolinium Studied by Magnetic Linear Dichroismin Time-Resolved 4f Core-Level Photoemission
dc.type	journal article	es_ES
dc.date.updated	2016-01-08T10:33:16Z
dc.identifier.doi	10.1103/PhysRevLett.100.107202
dc.identifier.idgrec	053089
dc.rights.accessRights	open access	es_ES