Please use this identifier to cite or link to this item:
http://acervodigital.unesp.br/handle/11449/113516
Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Ferreira, Rafael A. | - |
dc.contributor.author | Tedesco, Julio C. G. | - |
dc.contributor.author | Birk, Jonas O. | - |
dc.contributor.author | Kalceff, Walter | - |
dc.contributor.author | Yokaichiya, Fabiano | - |
dc.contributor.author | Rasmussen, Nina | - |
dc.contributor.author | Pena, Octavio | - |
dc.contributor.author | Henry, Paul F. | - |
dc.contributor.author | Simeoni, Giovanna G. | - |
dc.contributor.author | Bordallo, Heloisa N. | - |
dc.contributor.author | Lisboa Filho, Paulo Noronha | - |
dc.date.accessioned | 2014-12-03T13:11:45Z | - |
dc.date.accessioned | 2016-10-25T20:15:04Z | - |
dc.date.available | 2014-12-03T13:11:45Z | - |
dc.date.available | 2016-10-25T20:15:04Z | - |
dc.date.issued | 2014-07-15 | - |
dc.identifier | http://dx.doi.org/10.1016/j.matchemphys.2014.02.042 | - |
dc.identifier.citation | Materials Chemistry And Physics. Lausanne: Elsevier Science Sa, v. 146, n. 1-2, p. 58-64, 2014. | - |
dc.identifier.issn | 0254-0584 | - |
dc.identifier.uri | http://hdl.handle.net/11449/113516 | - |
dc.identifier.uri | http://acervodigital.unesp.br/handle/11449/113516 | - |
dc.description.abstract | We demonstrate that a Ni-Mn oxide partially inverted spinel (Ni1-pMnv)[NivMn2-v]O-4 having inversion degree v approximate to 0.8 and produced by a modified polymeric precursor method exhibits behaviour previously reported only in monophased samples. The structure of the specimen was determined using Rietveld analysis of X-ray and neutron powder diffraction data, showing that at room temperature the material crystallizes in the Fd3(over bar)m space group with a lattice constant a = 8.392 angstrom. Combining magnetization measurements with neutron powder diffraction, we show that the magnetic structure of this spinel is associated with the interplay between the ferromagnetic and antiferromagnetic lattices which coexist due to the cations' presence on both tetrahedral and octahedral sites. Our analysis of the neutron diffraction data confirms the postulated magnetic structure involving a star-like moment arrangement, arising from competition for the B (octahedral) spinel sites by the Ni and Mn cations. Finally, we show that strong magnetic fluctuations are observed in the inelastic neutron scattering data. (C) 2014 Elsevier B.V. All rights reserved. | en |
dc.description.sponsorship | Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) | - |
dc.description.sponsorship | NR | - |
dc.description.sponsorship | HNB | - |
dc.format.extent | 58-64 | - |
dc.language.iso | eng | - |
dc.publisher | Elsevier B.V. | - |
dc.source | Web of Science | - |
dc.subject | Magnetic materials | en |
dc.subject | Chemical synthesis | en |
dc.subject | X-ray scattering | en |
dc.subject | Neutron scattering and diffraction | en |
dc.subject | Rietveld analysis | en |
dc.subject | Magnetic structures | en |
dc.title | Ferrimagnetism and spin excitation in a Ni-Mn partially inverted spinel prepared using a modified polymeric precursor method | en |
dc.type | outro | - |
dc.contributor.institution | Universidade Estadual Paulista (UNESP) | - |
dc.contributor.institution | Univ Rennes 1 | - |
dc.contributor.institution | Univ Copenhagen | - |
dc.contributor.institution | Univ Technol Sydney | - |
dc.contributor.institution | Lab Nacl Luz Sincrotron | - |
dc.contributor.institution | Comissao Nacl Energia Nucl | - |
dc.contributor.institution | European Spallat Source ESS AB | - |
dc.contributor.institution | Tech Univ Munich | - |
dc.description.affiliation | Univ Estadual Paulista, Fac Ciencias, Programa Posgrad Ciencia & Tecnol Mat POSMAT, BR-17033360 Sao Paulo, Brazil | - |
dc.description.affiliation | Univ Rennes 1, Inst Sci Chim Rennes UMR 6226, F-35042 Rennes, France | - |
dc.description.affiliation | Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark | - |
dc.description.affiliation | Univ Technol Sydney, Sch Phys & Adv Mat, Broadway, NSW 2007, Australia | - |
dc.description.affiliation | Lab Nacl Luz Sincrotron, BR-13083970 Campinas, SP, Brazil | - |
dc.description.affiliation | Comissao Nacl Energia Nucl, Inst Pesquisas Energet & Nucl, Reactor Multiproposito Brasileiro, Sao Paulo, Brazil | - |
dc.description.affiliation | European Spallat Source ESS AB, S-22100 Lund, Sweden | - |
dc.description.affiliation | Tech Univ Munich, Heinz Maier Leibnitz Zentrum MLZ, D-85748 Garching, Germany | - |
dc.description.affiliation | Tech Univ Munich, Dept Phys, D-85748 Garching, Germany | - |
dc.description.affiliation | Univ Estadual Paulista, Dept Fis, Fac Ciencias, BR-17033360 Sao Paulo, Brazil | - |
dc.description.affiliationUnesp | Univ Estadual Paulista, Fac Ciencias, Programa Posgrad Ciencia & Tecnol Mat POSMAT, BR-17033360 Sao Paulo, Brazil | - |
dc.description.affiliationUnesp | Univ Estadual Paulista, Dept Fis, Fac Ciencias, BR-17033360 Sao Paulo, Brazil | - |
dc.description.sponsorshipId | CNPq: 706/11 | - |
dc.identifier.doi | 10.1016/j.matchemphys.2014.02.042 | - |
dc.identifier.wos | WOS:000336467900008 | - |
dc.rights.accessRights | Acesso restrito | - |
dc.relation.ispartof | Materials Chemistry and Physics | - |
Appears in Collections: | Artigos, TCCs, Teses e Dissertações da Unesp |
There are no files associated with this item.
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.