Magnetic behavior of thin rare-earth films

We consider a thin rare-earth film with the c axis perpendicular to the surface, to study its nonuniform magnetic structure induced by the lower coordination near the surfaces. The influence of a dc magnetic field, applied perpendicular to the c axis, on the equilibrium configurations is also inve...

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Principais autores: Carriço, Artur da Silva, Almeida, N. S., Mello, V. D.
Formato: article
Idioma:English
Publicado em: American Physical Society
Assuntos:
Magnetic behavior
rare-earth films
Endereço do item:https://repositorio.ufrn.br/jspui/handle/123456789/28853
https://doi.org/10.1103/PhysRevB.59.6979
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spelling ri-123456789-288532020-05-05T04:21:10Z Magnetic behavior of thin rare-earth films Carriço, Artur da Silva Almeida, N. S. Mello, V. D. Magnetic behavior rare-earth films We consider a thin rare-earth film with the c axis perpendicular to the surface, to study its nonuniform magnetic structure induced by the lower coordination near the surfaces. The influence of a dc magnetic field, applied perpendicular to the c axis, on the equilibrium configurations is also investigated. The spin-wave frequencies, in the q=0 limit, are calculated as a function of the strength of the external dc field. We use the bulk parameters of dysprosium and holmium to obtain the external field dependence of the equilibrium con- figuration, magnetization, and the lowest spin-wave modes of 30-monolayer-thick films. We consider a thin rare-earth film with the c axis perpendicular to the surface, to study its nonuniform magnetic structure induced by the lower coordination near the surfaces. The influence of a dc magnetic field, applied perpendicular to the c axis, on the equilibrium configurations is also investigated. The spin-wave frequencies, in the q=0 limit, are calculated as a function of the strength of the external dc field. We use the bulk parameters of dysprosium and holmium to obtain the external field dependence of the equilibrium con- figuration, magnetization, and the lowest spin-wave modes of 30-monolayer-thick films. 2020-04-29T23:05:25Z 2020-04-29T23:05:25Z 1999-03-01 article CARRIÇO, Artur da Silva; ALMEIDA, N. S.; MELLO, V. D. Magnetic behavior of thin rare-earth films. Physical Review B: Condensed Matter and Materials Physics, USA, v. 59, n.9, p. 6979, 1999. ISSN 2469-9969 versão online. DOI https://doi.org/10.1103/PhysRevB.59.6979. Disponível em: https://journals.aps.org/prb/abstract/10.1103/PhysRevB.59.6979. Acesso em: 29 abr. 2020. 2469-9969 (online), 2469-9950 (print) https://repositorio.ufrn.br/jspui/handle/123456789/28853 https://doi.org/10.1103/PhysRevB.59.6979 en application/pdf American Physical Society
institution Repositório Institucional
collection RI - UFRN
language English
topic Magnetic behavior
rare-earth films
spellingShingle Magnetic behavior
rare-earth films
Carriço, Artur da Silva
Almeida, N. S.
Mello, V. D.
Magnetic behavior of thin rare-earth films
description We consider a thin rare-earth film with the c axis perpendicular to the surface, to study its nonuniform magnetic structure induced by the lower coordination near the surfaces. The influence of a dc magnetic field, applied perpendicular to the c axis, on the equilibrium configurations is also investigated. The spin-wave frequencies, in the q=0 limit, are calculated as a function of the strength of the external dc field. We use the bulk parameters of dysprosium and holmium to obtain the external field dependence of the equilibrium con- figuration, magnetization, and the lowest spin-wave modes of 30-monolayer-thick films.
format article
author Carriço, Artur da Silva
Almeida, N. S.
Mello, V. D.
author_facet Carriço, Artur da Silva
Almeida, N. S.
Mello, V. D.
author_sort Carriço, Artur da Silva
title Magnetic behavior of thin rare-earth films
title_short Magnetic behavior of thin rare-earth films
title_full Magnetic behavior of thin rare-earth films
title_fullStr Magnetic behavior of thin rare-earth films
title_full_unstemmed Magnetic behavior of thin rare-earth films
title_sort magnetic behavior of thin rare-earth films
publisher American Physical Society
publishDate 2020
url https://repositorio.ufrn.br/jspui/handle/123456789/28853
https://doi.org/10.1103/PhysRevB.59.6979
work_keys_str_mv AT carricoarturdasilva magneticbehaviorofthinrareearthfilms
AT almeidans magneticbehaviorofthinrareearthfilms
AT mellovd magneticbehaviorofthinrareearthfilms
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