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Magnetism in multifunctional materials

Abstract

The study of the magnetic properties of multifunctional materials allows for a wide variety of applications, in particular for the processing and storage of information, and in this sense, producing multiphase materials that combine ferromagnetic and ferroelectric properties simultaneously extended the prospects for this purpose. In addition, oxide materials, doped or not with transition or terra-rare elements, and ferromagnetic conductive polymers open the perspective of developing new devices. Thus, the present research project involves two classes of different materials: magnetic oxides, multiferroic composite materials. It will be investigated semiconducting oxides, such as SnO2 / CeO2 and SnO2, multiferroic composites of (1-x) Pb2 / 3 (Mg1 / 3Nb2 / 3) -xPbTiO3 (PMN-PT) and Pb (Zr0,52 Ti0,48) O4 (PZT ) with the magnetic phases of cobalt ferrite (CoFe2O4 or CoFO) and of nickel ferrite (NiFe2O4 or NFO) that will be investigated in order to understand the processes involved in its magnetic properties, from experimental investigations and application of phenomenological models developed by the group itself. (AU)

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VEICULO: TITULO (DATA)
VEICULO: TITULO (DATA)

Scientific publications (13)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
GAUZZI, A.; MILTON, F. P.; PASCOTTO GASTALDO, V; VERSEILS, M.; GUALDI, A. J.; VON DREIFUS, D.; KLEIN, Y.; GARCIA, D.; DE OLIVEIRA, A. J. A.; BORDET, P.; et al. Ferroelectricity in the 1 mu C cm(-2) range induced by canted antiferromagnetism in (LaMn3)Mn4O12. Applied Physics Letters, v. 115, n. 15, . (13/27097-4, 13/07296-2, 12/21171-5, 17/24995-2)
ASSIS, MARCELO; RIBEIRO, RENAN A. P.; CARVALHO COSTA, MARIA HELENA; MONDEGO TEIXEIRA, MAYARA; GALVAO GOBATO, YARA; PRANDO, GABRIELA A.; RENATO MENDONCA, CLEBER; DE BONI, LEONARDO; APARECIDO DE OLIVEIRA, ADILSON JESUS; BETTINI, JEFFERSON; et al. Unconventional Magnetization Generated from Electron Beam and Femtosecond Irradiation on alpha-Ag2WO4: A Quantum Chemical Investigation. ACS OMEGA, v. 5, n. 17, p. 10052-10067, . (18/11283-7, 13/07296-2, 16/10668-7, 16/20886-1, 18/01808-5, 17/24995-2)
PAES, V. Z. C.; MOSCA, D. H.; DE OLIVEIRA, A. J. A.; VARALDA, J.. Non-conventional ferromagnetism and high bias magnetoresistance in TiO2-x A simple phenomenological approach. Journal of Magnetism and Magnetic Materials, v. 497, . (17/24995-2, 13/07296-2)
JIMENEZ, K. R. C. P.; ZABOTTO, F. L.; GARCIA, D.; DE OLIVEIRA, A. J. A.. Magnetic anisotropy enhancing by remanent electric polarization in 0.675(Pb(Mg1/3Nb2/3)O-3-0.325PbTiO(2)/CoFe2O4 particulate composites. Ferroelectrics, v. 534, n. 1, p. 7-pg., . (17/24995-2, 13/07296-2)
CARVALHO, M. H.; PEREIRA, E. C.; DE OLIVEIRA, A. J. A.. Orthorhombic SnO2 phase observed composite (Sn1-xCex)O-2 synthesized by sol-gel route. RSC ADVANCES, v. 8, n. 8, p. 3958-3963, . (13/07296-2, 17/24995-2)
CARVALHO, M. H.; RIZZO PITON, M.; LEMINE, O. M.; BOUOUDINA, M.; GALETI, H. V. A.; SOUTO, S.; PEREIRA, E. C.; GALVAO GOBATO, Y.; DE OLIVEIRA, A. J. A.. Effects of strain, defects and crystal phase transition in mechanically milled nanocrystalline In2O3 powder. MATERIALS RESEARCH EXPRESS, v. 6, n. 2, . (09/54082-2, 13/07296-2, 17/24995-2)
GUALDI, ALEXANDRE JOSE; ZABOTTO, FABIO LUIS; GARCIA, DUCINEI; BHALLA, AMAR S.; GUO, RUYAN; DE CAMARGO, PAULO CESAR; APARECIDO DE OLIVEIRA, ADILSON JESUS. Dynamic magnetization on the low temperature magnetoelectric effect in multiferroic composites. JOURNAL OF PHYSICS-CONDENSED MATTER, v. 30, n. 32, . (10/00040-4, 17/24995-2)
JIMENEZ, K. R. C. P.; ZABOTTO, F. L.; GARCIA, D.; DE OLIVEIRA, A. J. A.. Magnetic anisotropy enhancing by remanent electric polarization in 0.675(Pb(Mg1/3Nb2/3)O-3-0.325PbTiO(2)/CoFe2O4 particulate composites. Ferroelectrics, v. 534, n. 1, SI, p. 152-158, . (17/24995-2, 13/07296-2)
ZABOTTO, F. L.; MILTON, P.; GUALDI, A. J.; DE OLIVEIRA, A. J. A.; EIRAS, J. A.; GARCIA, D.. Magnetodielectric and magnetoelectric correlation in (1-x)PMN-PT/xCFO 0-3 particulate composites. Journal of Alloys and Compounds, v. 829, . (09/54082-2, 19/03110-8, 17/24995-2, 13/07296-2)
DE SOUZA, BRUNA G.; FIGUEIRA, GUSTAVO; CARVALHO, MARIA H.; ALCARAZ-GONZALEZ, VICTOR; SALDANA-FLORES, KARLA E.; GODINHO JR, MARIO; DE OLIVEIRA, ADILSON J. A.; KIMINAMI, RUTH H. G. A.; RUOTOLO, LUIS A. M.; URQUIETA-GONZALEZ, ERNESTO A.. A novel synthesis route to obtain magnetic nanocrystalline cobalt ferrite with photo-Fenton activity. Materials Chemistry and Physics, v. 257, . (13/07296-2, 17/13769-1, 17/24995-2, 09/54082-2)
VARALDA, J.; DARTORA, C. A.; DE CAMARGO, P. C.; DE OLIVEIRA, A. J. A.; MOSCA, D. H.. Oxygen diffusion and vacancy migration thermally-activated govern high-temperature magnetism in ceria. SCIENTIFIC REPORTS, v. 9, . (13/07296-2, 17/24995-2)
GASTALDO, VINICIUS PASCOTTO; KLEIN, YANNICK; BAPTISTE, BENOIT; CABASSI, RICCARDO; GILIOLI, EDMONDO; GAUZZI, ANDREA; DE OLIVEIRA, ADILSON J. A.. Unconventional magnetic ferroelectricity in the quadruple perovskite NaMn7O12. Physical Review B, v. 102, n. 16, . (17/24995-2, 13/27097-4, 12/21171-5, 13/07296-2, 15/21206-1)
GASTALDO, VINICIUS PASCOTTO; KLEIN, YANNICK; BAPTISTE, BENOIT; CABASSI, RICCARDO; GILIOLI, EDMONDO; GAUZZI, ANDREA; DE OLIVEIRA, ADILSON J. A.. Unconventional magnetic ferroelectricity in the quadruple perovskite NaMn7O12. PHYSICAL REVIEW B, v. 102, n. 16, p. 5-pg., . (17/24995-2, 13/07296-2, 13/27097-4, 15/21206-1, 12/21171-5)

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