skip to main content
Idioma:
Primo Search
Clear Search Box
Search in: Busca Geral
Busca Avançada
Busca por Índices

The building blocks of magnonics

Lenk, B. ; Ulrichs, H. ; Garbs, F. ; Münzenberg, M.

Physics reports, 2011-10, Vol.507 (4), p.107-136 [Periódico revisado por pares]

Kidlington: Elsevier B.V

Texto completo disponível

Citações Citado por
  • Título:
    The building blocks of magnonics
  • Autor: Lenk, B. ; Ulrichs, H. ; Garbs, F. ; Münzenberg, M.
  • Assuntos: Exact sciences and technology ; Physics
  • É parte de: Physics reports, 2011-10, Vol.507 (4), p.107-136
  • Descrição: Novel material properties can be realized by designing waves’ dispersion relations in artificial crystals. The crystal’s structural length scales may range from nano- (light) up to centimeters (sound waves). Because of their emergent properties these materials are called metamaterials. Different to photonics, where the dielectric constant dominantly determines the index of refraction, in a ferromagnet the spin-wave index of refraction can be dramatically changed already by the magnetization direction. This allows a different flexibility in realizing dynamic wave guides or spin-wave switches. The present review will give an introduction into the novel functionalities of spin-wave devices, concepts for spin-wave based computing and magnonic crystals. The parameters of the magnetic metamaterials are adjusted to the spin-wave k -vector such that the magnonic band structure is designed. However, already the elementary building block of an antidot lattice, the singular hole, owns a strongly varying internal potential determined by its magnetic dipole field and a localization of spin-wave modes. Photo-magnonics reveal a way to investigate the control over the interplay between localization and delocalization of the spin-wave modes using femtosecond lasers, which is a major focus of this review. We will discuss the crucial parameters to realize free Bloch states and how, by contrast, a controlled localization might allow us to gradually turn on and manipulate spin-wave interactions in spin-wave based devices in the future.
  • Editor: Kidlington: Elsevier B.V
  • Idioma: Inglês
Links
Voltar para lista de resultados

  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

Buscando em bases de dados remotas. Favor aguardar.