Use of conventional electrochemical techniques to produce crystalline FeRh alloys induced by Ag seed layer
dc.contributor.author | Noce, R. D. [UNESP] | |
dc.contributor.author | Benedetti, Assis Vicente [UNESP] | |
dc.contributor.author | Passamani, E. C. | |
dc.contributor.author | Kumar, H. | |
dc.contributor.author | Cornejo, D. R. | |
dc.contributor.author | Magnani, M. | |
dc.contributor.institution | Universidade Estadual Paulista (Unesp) | |
dc.contributor.institution | Universidade Federal do Espírito Santo (UFES) | |
dc.contributor.institution | Universidade de São Paulo (USP) | |
dc.contributor.institution | Centro Nacional de Pesquisa em Energia e Materiais (CNPEM) | |
dc.date.accessioned | 2014-05-27T11:29:29Z | |
dc.date.available | 2014-05-27T11:29:29Z | |
dc.date.issued | 2013-05-09 | |
dc.description.abstract | By combining galvanic displacement and electrodeposition techniques, an ordered Fe20Rh80 structure deposited onto brass was investigated by X-ray diffractometry, Mössbauer spectroscopy and magnetization measurements. Mössbauer and X-ray diffraction analyses suggest that the Fe-Rh alloy directly electrodeposited onto brass displays a nanocrystalline state while a similar alloy deposited onto Ag/brass shows a faced centered cubic-like structure, with dendrites-like features. These results directly indicate that the presence of Ag seed layer is responsible for the Fe-Rh alloy crystallization process. In addition, room temperature Mössbauer data indicate firstly paramagnetic states for two Fe-species. In the dominant Fe-species (major fraction of the Mössbauer spectra), Fe atoms are situated at a cubic environment and it can be attributed to the γ-Fe20Rh80 alloy based on their hyperfine parameters. In the second species, Fe atoms are placed in a non-local symmetry, which can be related to Fe atoms at the grain boundaries or/and Fe small clusters. These Fe-clusters are in superparamagnetic state at room temperature, but they may be ordered below 45 K, as suggested by magnetization data. © 2013 Elsevier B.V. All rights reserved. | en |
dc.description.affiliation | Instituto de Química Universidade Estadual Paulista UNESP, 14800-900 Araraquara, SP | |
dc.description.affiliation | Departamento de Física Universidade Federal Do Espírito Santo, 29075-910 Vitória, ES | |
dc.description.affiliation | Instituto de Física Universidade de São Paulo USP, 05508-090 São Paulo, SP | |
dc.description.affiliation | Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), 13083-970 Campinas SP | |
dc.description.affiliationUnesp | Instituto de Química Universidade Estadual Paulista UNESP, 14800-900 Araraquara, SP | |
dc.format.extent | 37-42 | |
dc.identifier | http://dx.doi.org/10.1016/j.jallcom.2013.03.282 | |
dc.identifier.citation | Journal of Alloys and Compounds, v. 573, p. 37-42. | |
dc.identifier.doi | 10.1016/j.jallcom.2013.03.282 | |
dc.identifier.issn | 0925-8388 | |
dc.identifier.scopus | 2-s2.0-84877017838 | |
dc.identifier.uri | http://hdl.handle.net/11449/75375 | |
dc.identifier.wos | WOS:000320585700008 | |
dc.language.iso | eng | |
dc.relation.ispartof | Journal of Alloys and Compounds | |
dc.relation.ispartofjcr | 3.779 | |
dc.relation.ispartofsjr | 1,020 | |
dc.rights.accessRights | Acesso restrito | |
dc.source | Scopus | |
dc.subject | Ag seed layer | |
dc.subject | Electrodeposition | |
dc.subject | FeRh alloys | |
dc.subject | Galvanic displacement | |
dc.subject | Ag seed layers | |
dc.subject | Electrochemical techniques | |
dc.subject | Electrodeposition technique | |
dc.subject | Fe-Rh alloy | |
dc.subject | Magnetization measurements | |
dc.subject | Ssbauer spectroscopies | |
dc.subject | Superparamagnetic state | |
dc.subject | Atoms | |
dc.subject | Brass | |
dc.subject | Deposits | |
dc.subject | Grain boundaries | |
dc.subject | Iron alloys | |
dc.subject | Magnetization | |
dc.subject | Molybdenum | |
dc.subject | Rhodium | |
dc.subject | Silver alloys | |
dc.subject | Superparamagnetism | |
dc.subject | X ray diffraction | |
dc.subject | X ray diffraction analysis | |
dc.subject | Nanocrystalline alloys | |
dc.title | Use of conventional electrochemical techniques to produce crystalline FeRh alloys induced by Ag seed layer | en |
dc.type | Artigo | |
dcterms.license | http://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy | |
unesp.author.lattes | 1769008264876945[2] | |
unesp.author.orcid | 0000-0002-0243-6639[2] | |
unesp.campus | Universidade Estadual Paulista (Unesp), Instituto de Química, Araraquara | pt |