Orbital-resolved spin model for thermal magnetization switching in rare-earth-based ferrimagnets

Wienholdt, Sönke; Hinzke, Denise; Carva, Karel; Oppeneer, Peter; Nowak, Ulrich

Orbital-resolved spin model for thermal magnetization switching in rare-earth-based ferrimagnets

Dateien

Wienholdt_243281.pdfGröße: 280.95 KBDownloads: 456

Datum

2013

Autor:innen

Wienholdt, Sönke

Hinzke, Denise

Carva, Karel

Oppeneer, Peter

Nowak, Ulrich

Angaben zur Forschungsförderung

European Union (EU): 281043

Projekt

FEMTOSPIN - Multiscale Modelling of Femtosecond Spin Dynamics

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Physik

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Physical Review B. 2013, 88(2). ISSN 1098-0121. eISSN 1095-3795. Available under: doi: 10.1103/PhysRevB.88.020406

Zusammenfassung

The switching of rare-earth-based ferrimagnets triggered by thermal excitation is investigated on the basis of an atomistic spin model beyond the distinguishing magnetic moments due to electrons in d and f orbitals of the rare earth. It is shown that after excitation of the conduction electrons a transient ferromagneticlike state follows from a dissipationless spin dynamics where energy and angular momentum are distributed between the two sublattices. The final relaxation can then lead to a new state with the magnetization switched with respect to the initial state. The time scale of the switching event is to a large extent determined by the exchange interaction between the two sublattices.

Fachgebiet (DDC)

530 Physik

Schlagwörter

switching of rare-earth-based ferrimagnets, atomistic spin model, rigid-spin approximation, spin dynamics, sublattices

Zitieren

ISO 690

WIENHOLDT, Sönke, Denise HINZKE, Karel CARVA, Peter OPPENEER, Ulrich NOWAK, 2013. Orbital-resolved spin model for thermal magnetization switching in rare-earth-based ferrimagnets. In: Physical Review B. 2013, 88(2). ISSN 1098-0121. eISSN 1095-3795. Available under: doi: 10.1103/PhysRevB.88.020406

BibTex

@article{Wienholdt2013Orbit-24328,
  year={2013},
  doi={10.1103/PhysRevB.88.020406},
  title={Orbital-resolved spin model for thermal magnetization switching in rare-earth-based ferrimagnets},
  number={2},
  volume={88},
  issn={1098-0121},
  journal={Physical Review B},
  author={Wienholdt, Sönke and Hinzke, Denise and Carva, Karel and Oppeneer, Peter and Nowak, Ulrich}
}

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Universitätsbibliographie

Ja