Verlagslink DOI: | 10.1103/PhysRevB.85.020406 | Titel: | Life times and chirality of spin waves in antiferromagnetic and ferromagnetic FeRh from the perspective of time-dependent density functional theory | Sprache: | Autorenschaft: | Sandratskii, Leonid M. Buczek, Paweł |
Schlagwörter: | Physics - Materials Science; Physics; Materials Science | Erscheinungsdatum: | 12-Jan-2012 | Verlag: | American Institute of Physics/American Physical Society | Zeitschrift oder Schriftenreihe: | Physical Review B | Zeitschriftenband: | 85 | Zeitschriftenausgabe: | 2 | Zusammenfassung: | The study of the spin excitations in antiferromagnetic (AFM) and ferromagnetic (FM) phases of FeRh is reported. We demonstrate that although the Fe atomic moments are well defined there is a number of important phenomena absent in the Heisenberg description: Landau damping of spin waves, large Rh moments induced by the AFM magnons, the formation of the optical magnons terminated by Stoner excitations. We relate the properties of the spin-wave damping to the features of the Stoner continuum and compare the chirality of the spin excitations in AFM, FM and paramagnetic (PM) systems. |
URI: | http://hdl.handle.net/20.500.12738/11812 | ISSN: | 2469-9969 | Einrichtung: | Max-Planck-Institut für Mikrostrukturphysik | Dokumenttyp: | Zeitschriftenbeitrag |
Enthalten in den Sammlungen: | Publications without full text |
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