Zobrazeno 1 - 10 of 20 pro vyhledávání: '"Ressonancia ferromagnetica"'
1
Dinâmica da magnetização e ressonância ferromagnética em filmes de CoZr
Autor: Rosa, Ânderson Luís
Publikováno v: Biblioteca Digital de Teses e Dissertações da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Esta dissertação tem como objetivo investigar as propriedades magnéticas estáticas e dinâmicas em filmes de CoZr com diferentes espessuras e concentrações de Zr. Os filmes, fabricados pelo método de magnetron sputtering, têm suas propriedade
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::78767d4fd7560b61b446fdf1ce92d1f9
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4
Influence of annealing on magnesioferrite nanoparticles synthesized by a sol-gel/combustion method
Autor: João Batista Marimon da Cunha, Lúcia Helena Guimarães Cardoso, José Brant de Campos, Dalber Ruben Sanchez, Ronaldo Sergio de Biasi
Publikováno v: Materials Research, Vol 12, Iss 2, Pp 225-227 (2009)
Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Materials Research v.12 n.2 2009
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Materials Research, Volume: 12, Issue: 2, Pages: 225-227, Published: JUN 2009
Nanocrystalline particles of magnesioferrite (MgFe2O4) were prepared by a sol-gel/combustion method using iron nitrate, Fe(NO3)3.9H2O, magnesium nitrate, Mg(NO3)2.6H2O, and citric acid, C6H8O7.H2 O, and annealed for 2 hours at 400, 500 and 600 °C. T
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17a13031ee9aab1a47c6b7b1fd319e3e
https://doi.org/10.1590/s1516-14392009000200018
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5
Magnetic properties of Nd/Fe double layers grown on Si(111) by electron beam evaporation
Autor: Sergio M. Rezende, Sergio Ribeiro Teixeira, Antonio Azevedo, J.R. Fermin, Luis Gustavo Pereira
Publikováno v: Scopus-Elsevier
Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
In-plane ferromagnetic resonance (FMR) has been used to study the room-temperature magnetic and crystalline properties of Nd/Fe bilayers. Several samples were grown by electron beam evaporation onto Si(111) substrates, for various Fe and Nd thickness
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac3fd8fe633eb71c3447d4a19126bb87
https://doi.org/10.1063/1.367285
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6
Dissertation/ Thesis
Estudo do Exchange Bias em filmes de IrMn/Al2O3/Co e IrMn/Cr/Co
Autor: Nicolodi, Sabrina
Publikováno v: Biblioteca Digital de Teses e Dissertações da UFRGSUniversidade Federal do Rio Grande do SulUFRGS.
Neste trabalho estudamos a interação de troca entre a camada antiferromagnética (AFM) de IrMn, e a ferromagnética (FM) de Co, no sistema IrMn/Co através de uma camada espaçadora. Usamos dois materiais com propriedades distintas como espaçador,
Externí odkaz: http://hdl.handle.net/10183/30991
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7
Dissertation/ Thesis
Exchange Bias em filmes de IrMn/Cu/Co
Autor: Nicolodi, Sabrina
Publikováno v: Biblioteca Digital de Teses e Dissertações da UFRGSUniversidade Federal do Rio Grande do SulUFRGS.
Medidas de magnetização (MAG) e de ressonância ferromagnética (FMR) foram usadas para estudar a interação de troca entre a camada antiferromagnética (AFM) de IrMn e a ferromagnética (FM) de Co no sistema IrMn/Cu/Co em função da espessura do
Externí odkaz: http://hdl.handle.net/10183/10353
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8
Frequency-dependent exchange bias in NiFe/NiO films
Autor: Luis Gustavo Pereira, Julian Penkov Geshev, F. Pelegrini, Joao Edgar Schmidt, E.B. Saitovitch, Luiz Carlos Camargo Miranda Nagamine
Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Ferromagnetic (FM) resonance and magnetization curve measurements were performed at room temperature for a polycrystalline ${\mathrm{Ni}}_{81}{\mathrm{Fe}}_{19}$ coupled to NiO. It was observed that the shape of the angular variation of the resonance
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64e150e0c18929925a3b3a78712ef550
https://doi.org/10.1103/physrevb.67.132401
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9
Angular dependence of the exchange bias obtained from magnetization and ferromagnetic resonance measurements in exchange-coupled bilayers
Autor: Luis Gustavo Pereira, Joao Edgar Schmidt, Julian Penkov Geshev
Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Theoretical calculations of the angular dependence of the exchange bias field in ferromagnetic/ antiferromagnetic bilayers were carried out in the framework of a model assuming the formation of a planar domain wall at the antiferromagnetic side of th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ad44f97d3aae675f41894452b42353a
https://doi.org/10.1103/physrevb.64.184411
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10
Analytical solutions for exchange bias and coercivity in ferromagnetic/antiferromagnetic bilayers
Autor: Julian Penkov Geshev
Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Analytical expressions have been derived for the exchange bias field, coercivity, and effective anisotropy field in ferromagnetic/antiferromagnetic bilayers in the framework of a model assuming the formation of a planar domain wall at the antiferroma
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f4adbd1a98220dc2d56e4847df586b98
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