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Field dependence of spin excitations in NiFe/Cu/NiFe trilayered circular dots (Articolo in rivista)
- Type
- Label
- Field dependence of spin excitations in NiFe/Cu/NiFe trilayered circular dots (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevB.73.144430 (literal)
- Alternative label
Gubbiotti, G; Madami, M; Tacchi, S; Carlotti, G (2006)
Field dependence of spin excitations in NiFe/Cu/NiFe trilayered circular dots
in Physical review. B, Condensed matter and materials physics
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Gubbiotti, G; Madami, M; Tacchi, S; Carlotti, G (literal)
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Univ Roma La Sapienza, CNR, INFM, Res Ctr SOFT, I-00185 Rome, Italy; Univ Perugia, Dipartimento Fis, I-06123 Perugia, Italy; INFM, I-06123 Perugia, Italy; INFM, CNR, Res Ctr S3, I-41100 Modena, Italy; Kyoto Univ, Inst Chem Res, Uji 6110011, Japan (literal)
- Titolo
- Field dependence of spin excitations in NiFe/Cu/NiFe trilayered circular dots (literal)
- Abstract
- Brillouin light scattering has been exploited to study the magnetic normal modes of trilayered circular dots (radius 100 nm), consisting of a pair of 10 nm thick permalloy layers separated by a Cu spacer with thickness of 10 nm. The field evolution of both the frequencies and the profiles of the spin-wave modes was investigated over a wide range of applied fields, encompassing both the parallel alignment of the layers magnetizations at saturation and the in-plane antiparallel state at remanence. The experimental data have been satisfactorily reproduced using a micromagnetic approach which solves the discretized Landau-Lifshitz-Gilbert equation over the layered structure in the time domain and then performs a local Fourier transform. (literal)
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