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dc.contributor.CRUESPUNIVERSIDADE DE ESTADUAL DE CAMPINASpt_BR
dc.typeArtigo de periódicopt_BR
dc.titleElectrochromism In Lithiated Nickel Oxide Films Deposited By Rf Sputteringpt_BR
dc.contributor.authorUrbano A.pt_BR
dc.contributor.authorFerreira F.F.pt_BR
dc.contributor.authorDeCastro S.C.pt_BR
dc.contributor.authorLanders R.pt_BR
dc.contributor.authorFantini M.C.A.pt_BR
dc.contributor.authorGorenstein A.pt_BR
unicamp.authorUrbano, A., DFA/IFGW/UNICAMP, 13081-970 Campinas, SP, Brazilpt_BR
unicamp.authorDeCastro, S.C., DFA/IFGW/UNICAMP, 13081-970 Campinas, SP, Brazilpt_BR
unicamp.authorLanders, R., DFA/IFGW/UNICAMP, 13081-970 Campinas, SP, Brazilpt_BR
unicamp.authorGorenstein, A., DFA/IFGW/UNICAMP, 13081-970 Campinas, SP, Brazilpt_BR
unicamp.author.externalFerreira, F.F., Instituto de Física, USP, CP 66318, 05389-970 São Paulo, SP, Brazilpt
unicamp.author.externalFantini, M.C.A., Instituto de Física, USP, CP 66318, 05389-970 São Paulo, SP, Brazilpt
dc.description.abstractLithiated nickel oxide films were deposited by rf sputtering from an LiNiO2 target. Different samples were obtained by changing the deposition atmosphere or rf power during deposition, all other parameters remaining constant. The electrochemical/electrochromic performance during lithium extraction/insertion was investigated using aprotic electrolytes, over the whole stability range of the electrolyte. The results showed that all films, independent of the deposition conditions, were electrochemically active. Films deposited under pure Ar atmosphere and high rf power or under Ar+O2 atmosphere and low power did not present significant electrochromic activity, and the valence band photoelectron spectrum did not show the presence of the Ni 3d line for the as-grown samples. In contrast, samples deposited under Ar+O2 atmosphere and high power, or pure Ar atmosphere and low power showed a 70% transmittance change, and a stable voltammetric profile after some cycles. For these samples, the valence band photoelectron spectrum clearly presented the Ni 3d line. The electron population at the Ni 3d levels in the as-grown state seems to be responsible for the electrochromic ability. © 2001 Elsevier Science Ltd.en
dc.relation.ispartofElectrochimica Actapt_BR
dc.date.issued2001pt_BR
dc.identifier.citationElectrochimica Acta. , v. 46, n. 13-14, p. 2269 - 2273, 2001.pt_BR
dc.language.isoenpt_BR
dc.description.volume46pt_BR
dc.description.issuenumber13-14pt_BR
dc.description.firstpage2269pt_BR
dc.description.lastpage2273pt_BR
dc.rightsfechadopt_BR
dc.sourceScopuspt_BR
dc.identifier.issn134686pt_BR
dc.identifier.doi10.1016/S0013-4686(01)00395-4pt_BR
dc.identifier.urlhttp://www.scopus.com/inward/record.url?eid=2-s2.0-0035794619&partnerID=40&md5=d1de89ca2ef1678fb9da8cb6819549dept_BR
dc.date.available2015-06-26T14:43:51Z
dc.date.available2015-11-26T14:17:19Z-
dc.date.accessioned2015-06-26T14:43:51Z
dc.date.accessioned2015-11-26T14:17:19Z-
dc.description.provenanceMade available in DSpace on 2015-06-26T14:43:51Z (GMT). No. of bitstreams: 1 2-s2.0-0035794619.pdf: 162405 bytes, checksum: 9f952ade77ff8637d4cea18fa4ab5937 (MD5) Previous issue date: 2001en
dc.description.provenanceMade available in DSpace on 2015-11-26T14:17:19Z (GMT). No. of bitstreams: 2 2-s2.0-0035794619.pdf: 162405 bytes, checksum: 9f952ade77ff8637d4cea18fa4ab5937 (MD5) 2-s2.0-0035794619.pdf.txt: 13416 bytes, checksum: f761c989172db6338e44cfe5e90788c5 (MD5) Previous issue date: 2001en
dc.identifier.urihttp://www.repositorio.unicamp.br/handle/REPOSIP/95188
dc.identifier.urihttp://repositorio.unicamp.br/jspui/handle/REPOSIP/95188-
dc.identifier.idScopus2-s2.0-0035794619pt_BR
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dc.description.referenceUrbano, A., De Castro, S.C., Landers, R., Morais, J., Siervo, A.D., Gorenstein, A., Tabacniks, M.H., Fantini, M.C.A., J. Power Sources, , in presspt_BR
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