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Synthesis, stability and coloring properties of yellow–orange pigments based on Ni-doped karrooite (Ni,Mg)Ti2O5
dc.contributor.author | Llusar, Mario | |
dc.contributor.author | García, E. | |
dc.contributor.author | García, M.T. | |
dc.contributor.author | Gargori, Carina | |
dc.contributor.author | Badenes March, José Antonio | |
dc.contributor.author | Monrós, Guillermo | |
dc.date.accessioned | 2016-05-20T07:36:08Z | |
dc.date.available | 2016-05-20T07:36:08Z | |
dc.date.issued | 2015 | |
dc.identifier.citation | LLUSAR, M., et al. Synthesis, stability and coloring properties of yellow–orange pigments based on Ni-doped karrooite (Ni, Mg) Ti 2 O 5. Journal of the European Ceramic Society, 2015, vol. 35, no 1, p. 357-376. | ca_CA |
dc.identifier.issn | 1873-619X | |
dc.identifier.issn | 0955-2219 | |
dc.identifier.uri | http://hdl.handle.net/10234/159836 | |
dc.description.abstract | Solids solutions of Ni in MgTi2O5 pseudobrookite (karrooite) were investigated to develop new yellowish ceramic pigments or dyes. Ni-Karrooite samples (Mg1−xNixTi2O5) were prepared by ceramic method and through a citrate-gel metalorganic decomposition route, using rapid firing conditions (800–1500 °C). Fired pigments were characterized by XRD, SEM/EDX, UV–vis–NIR and color measurement (CIE-L*a*b*) techniques. The entropy-stabilization of MgTi2O5 with respect to ilmenite and rutile decreased with Ni doping, and Ni solid-solubility increased with temperature (40 mol% at 1200 °C, 60 mol% at 1400–1500 °C). Optical absorptions of Ni2+ in karrooite octahedral sites (mainly M1 sites) produced intense yellowish-orange colors, increasing saturation and red/yellow hues with Ni doping (up to x = 0.4–0.5). The pigments showed a limited stability within low-temperature (1000–1050 °C) ceramic glazes, although glazed samples developed intense yellowish colorations. Noteworthy, metalorganic decomposition route enabled the formation of Ni-karrooite at lower temperatures (1000 °C, 20 mol% Ni) and produced finer-grained powders, although the colors of powders and enameled samples were similar. | ca_CA |
dc.description.sponsorShip | The authors acknowledge the Spanish “Ministerio de Economía y Competividad” (Project MAT2012-36988-C02-01) for financial support. Technical assistance provided by the Scientific Instrumentation Central Services (SCIC) of the University Jaume I is also fully acknowledged. | ca_CA |
dc.format.extent | 20 p. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | Elsevier | ca_CA |
dc.relation.isPartOf | Journal of the European Ceramic Society, 2015, vol. 35, no 1 | ca_CA |
dc.rights | Copyright © Elsevier | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | * |
dc.subject | pseudobrookite | ca_CA |
dc.subject | nickel | ca_CA |
dc.subject | ceramic pigments | ca_CA |
dc.subject | yellow pigments | ca_CA |
dc.subject | citrates route | ca_CA |
dc.title | Synthesis, stability and coloring properties of yellow–orange pigments based on Ni-doped karrooite (Ni,Mg)Ti2O5 | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | http://dx.doi.org/10.1016/j.jeurceramsoc.2014.08.010 | |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess | ca_CA |
dc.relation.publisherVersion | http://www.sciencedirect.com/science/article/pii/S0955221914004269 | ca_CA |
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