Zobrazeno 1 - 10 of 49 pro vyhledávání: '"N. S. Almeida"'
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Characterization of the magnetic phases of holmium nanofilms via magnetic neutron scattering
Autor: V.D. Mello, D.H.A.L. Anselmo, F.A.L. Santiago, Manoel Silva de Vasconcelos, N. S. Almeida
Publikováno v: Repositório Institucional da UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
Magnetic phases of holmium films are associated with the intensity of the magnetic neutron scattering. It is shown that each magnetic phase of the system (fan, helifan, spin-slip, helix and ferromagnetic) exhibits a characteristic profile of scatteri
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46ce615196067b0209ec51134f0faedb
https://doi.org/10.1016/j.jmmm.2018.12.006
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3
Negativity in Contemporary Journalism Towards Civic and Material Progress
Autor: João N. S. Almeida
Publikováno v: The Politics of Emotional Shockwaves ISBN: 9783030560201
This paper describes the role of the media in the emotional response of societies to the present and to post-enlightenment promise of progress. Fukuyama’s “end of history” has prevailed, as modern democracy has not been seriously challenged, an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::902b9c34479b57a6fbf082fe015cd8e4
https://doi.org/10.1007/978-3-030-56021-8_4
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5
Propagation of magnetostatic modes on aperiodic rare-earth multilayers
Autor: V.D. Mello, Michael G. Cottam, F.A.L. Santiago, N. S. Almeida, D.H.A.L. Anselmo, Manoel Silva de Vasconcelos
Publikováno v: Repositório Institucional da UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
The localization behavior and scaling properties of magnetostatic modes propagating on magnetic aperiodic superlattices made up by rare-earth materials is analyzed. Both surface and bulk modes are obtained, considering two different aperiodic rules o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c81a7ec014d42084bfca11eb9c48b842
https://doi.org/10.1016/j.ssc.2017.10.012
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6
Magnetocaloric effect of thin Terbium films
Autor: Manoel Silva de Vasconcelos, D.H.A.L. Anselmo, V.D. Mello, N. S. Almeida
Publikováno v: Repositório Institucional da UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
We report a theoretical study of the magnetocaloric effect of Terbium (Tb) thin films due to finite size and surface effects in the helimagnetic phase, corresponding to a temperature range from T C =219 K to T N =231 K, for external fields of the ord
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::23cb11f03a7707f3e5b6eb95fc3f0985
https://doi.org/10.1016/j.ssc.2017.09.004
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7
Magnetic properties of crystalline nanoparticles with different sizes and shapes
Autor: Ana T.A. Lima, Ana L. Dantas, N. S. Almeida
Publikováno v: Journal of Magnetism and Magnetic Materials. 425:72-77
The effects of shape and finite size on the physical behavior of nanostructured antiferromagnetic particles are investigated. They were modeled as ellipsoidal systems which preserve the crystalline structure of the correspondent bulk material. In our
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d40bb4719d3956639d8028d2983f747a
https://doi.org/10.1016/j.jmmm.2016.10.124
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10
Accessible display design to control home area networks
Autor: Ana Grasielle Dionísio Corrêa, N. S. Almeida, Marcelo Knörich Zuffo, Roseli de Deus Lopes, Laisa C. P. Costa
Publikováno v: ICCE
Recently, the social inclusion and technical aid to assure autonomy to people with disabilities are getting attention all over the world. We present a display design for accessible interaction in home area networks. Based on a research on the accessi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e08c9abdc7e3f5069eb98e69c6fef89d
https://doi.org/10.1109/tce.2013.6531126
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