Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Rodolfo Bezerra da Silva"'
Autor:
Fernanda de Souza Silva, Marcio Assolin Correa, Felipe Bohn, Rodolfo Bezerra da Silva, Tibério Andrade dos Passos, Ramon Alves Torquato, Bruno Alessandro Guedes de Lima, Carlos Henrique Nascimento Cordeiro, Danniel Ferreira de Oliveira
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 5167-5176 (2023)
We report a systematic investigation of the mechanical, structural, and magnetic properties of Nb-doped NiMnSn Heusler alloys. Specifically, NiMnSnNb alloys with 1% at Nb doping replacing distinct elements in NiMnSn alloys are explored. Our results i
Externí odkaz:
https://doaj.org/article/7995941da86f4aff95d49fff8ec133eb
Autor:
Klebson Lucenildo Da Silva, Rafael Santiago Trautwein, Rodolfo Bezerra Da Silva, Martin Fabián, Erik Čižmár, Mariia Holub, Olha Skurikhina, Marta Harničárová, Vladimír Girman, Dirk Menzel, Klaus Dieter Becker, Horst Hahn, Vladimír Šepelák
Publikováno v:
Frontiers in Materials, Vol 8 (2021)
Bismuth ferrite (BiFeO3) particles are prepared by a combined mechanochemical−thermal processing of a Bi2O3 + α-Fe2O3 mixture. Structural, magnetic, hyperfine, morphological and chemical properties of the as-prepared BiFeO3 are studied using X-ray
Externí odkaz:
https://doaj.org/article/a976b1e5033d4b1aa8e0a8c0786ecd83
Autor:
Cintia Raquel Duarte de Freitas, Meirielle Marques de Góis, Rodolfo Bezerra da Silva, José Alzamir Pereira da Costa, João Maria Soares
Publikováno v:
Materials Research, Vol 21, Iss 1 (2017)
Perovskite manganite La0.7Ba0.3MnO3, synthesized by ionic coordination reaction method (ICR) was compacted into pellets under different compaction pressures (Pc) and sintered at a temperature of 1150°C for 10h under a flow of O2. X-ray diffraction (
Externí odkaz:
https://doaj.org/article/05baa40a2c03476f975bea7ed0d98098
Autor:
Michel Raimundo de Brito, Fernanda de Souza Silva, Marcio Assolin Correa, Felipe Bohn, Rodolfo Bezerra da Silva, Tibério Andrade dos Passos, Ramon Alves Torquato, Rodinei Medeiros Gomes, Danniel Ferreira de Oliveira
Publikováno v:
MRS Communications. 12:62-67
Feasibility of Developing a Heusler NiMnSn Alloy via Induction Casting Without Controlled Atmosphere
Autor:
Fernanda de Souza Silva, Michel Raimundo de Brito, Tibério Andrade dos Passos, Ramon Alves Torquato, Rodinei Medeiros Gomes, Danniel Ferreira de Oliveira, Felipe Bohn, Rodolfo Bezerra da Silva, Marcio Assolin Correa
Publikováno v:
MRS Communications. 11:336-341
We report a systematic investigation of the structural, thermal, and magnetic properties of Ni50Mn37Sn13 Heusler alloy obtained by fusion without controlled atmosphere and annealing. Specifically, we produce Ni50Mn37Sn13 alloy samples by induction ca
Autor:
J. C. R. Araújo, C. A. M. Iglesias, T. T. Vicente, Rodolfo Bezerra da Silva, P. B. Souza, C. C. Plá Cid, E. F. Silva, Matheus Gamino, Marcio A. Correa, S. N. de Medeiros, Felipe Bohn
Publikováno v:
SSRN Electronic Journal.
Autor:
Rodolfo Bezerra da Silva, E. D. Silva Filho, Fausthon F. da Silva, J. M. Soares, J. A. P. da Costa, M. A. Morales
Publikováno v:
SSRN Electronic Journal.
Autor:
Ernani D.S. Filho, J.L.C. Fonseca, E.L. Brito, Letícia Streck, Felipe Bohn, Rodolfo Bezerra da Silva
Publikováno v:
Journal of Dispersion Science and Technology. :1-9
Superparamagnetic gels based on polyacrylamide and magnetite were synthesized by the in situ preparation of magnetite nanoparticles in polyacrylamide (PAM) physical hydrogels at different polymer c...
Autor:
Rodolfo Bezerra da Silva, Wesley de Paiva Araújo, Meirielle Marques de Góis, Geraldo E. Luz, João Maria Soares
Publikováno v:
Journal of Alloys and Compounds. 785:598-602
In this work a series of Bi 25 FeO 40 − Fe 3 O 4 − Fe 2 O 3 composite samples were prepared directly through the solid state reaction process using bismuth and iron based minerals. The samples were characterized by X-ray diffraction (XRD), scanni
Autor:
João Carlos Rocha de Araújo, Carlos Augusto de Moraes Iglesias, Rodolfo Bezerra da Silva, Suzana Araujo Barbosa, Jayson Xavier, Ernani Dias da Silva Filho, José Luis Cardozo Fonseca, Paloma Boeck Souza, Cristiani Campos Plá Cid, Fernando Luis de Araujo Machado, Edimilson Félix da Silva, Matheus Gamino, Suzana Nóbrega de Medeiros, Marcio Assolin Correa, Felipe Bohn
Publikováno v:
Journal of Physics D: Applied Physics. 55:365002
Although interacting superparamagnetic systems have been widely explored, in most cases the correlations are only assigned to dipolar interactions. Here, we perform a systematic investigation of the properties of superparamagnetic MgFe2O4 nanoparticl