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|Title:||Magnetic polaritons in metamagnet layered structures: spectra and localization properties|
|Authors:||Anselmo, Dory Hélio Aires de Lima|
Araujo, C. A. A.
Albuquerque, Eudenilson Lins de
Vasconcelos, M. S.
|Keywords:||Magnetic polaritons;Layered structures;Metamagnetic materials;Self-similar spectra|
|Citation:||ARAÚJO, C.A.A.; ALBUQUERQUE, E.L.; ANSELMO, D.H.A.L.; VASCONCELOS, M.S.. Magnetic polaritons in metamagnet layered structures: spectra and localization properties. Physics Letters A, [s.l.], v. 372, n. 7, p. 1135-1140, fev. 2008. Disponível em: https://www.sciencedirect.com/science/article/pii/S0375960107012935?via%3Dihub. Acesso em: 03 jun 2020. http://dx.doi.org/10.1016/j.physleta.2007.09.008.|
|Portuguese Abstract:||The magnetic polariton propagation in metamagnet layered structures is theoretically studied by using a transfer matrix approach. The layered structures considered here are made up by the stacking of two different layers (also known as building blocks, named A and B), where one of them is a metamagnetic thin film (A), while the other is a non-magnetic insulator thin layer (B). We take into account both the antiferromagnetic (AFM) and ferromagnetic (FM) phases of the metamagnetic material. For the periodic arrangement, the bulk modes are characterized by two large symmetric bands, with non-reciprocal surface modes between them. The quasiperiodic metamagnetic structure is then built up by following the Fibonacci sequence, whose long-range order effect is then investigated, giving rise to an interesting self-similar spectra and a power-law profile|
|Appears in Collections:||CCET - DFTE - Artigos publicados em periódicos|
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