000132199 001__ 132199 000132199 005__ 20240301161206.0 000132199 0247_ $$2doi$$a10.1016/j.polymer.2009.01.034 000132199 0248_ $$2sideral$$a65621 000132199 037__ $$aART-2009-65621 000132199 041__ $$aeng 000132199 100__ $$0(orcid)0000-0003-0828-3212$$aMillan, A. 000132199 245__ $$aAkaganeite polymer nanocomposites 000132199 260__ $$c2009 000132199 5060_ $$aAccess copy available to the general public$$fUnrestricted 000132199 5203_ $$aAn “in situ” method for the production of akaganeite polymer nanocomposites is described. A controlled precipitation is achieved by using a polymer matrix, polyvinylpyridine, containing N-base functional groups that form coordination bonds with iron ions. The resulting materials have permitted the observation of two sources of magnetic moment in akaganeite nanoparticles: (1) finite size effects with a characteristic blocking temperature below 2 K; and (2) a deficient Cl− occupancy, with a characteristic blocking temperature around 18 K. Moreover, the nanocomposites can be dissolved in slightly acidic media to obtain stable aqueous nanoparticle dispersions that could be useful in biomedical applications. 000132199 536__ $$9info:eu-repo/grantAgreement/ES/MICINN/CSD2007-00010$$9info:eu-repo/grantAgreement/ES/MICINN/MAT2007-61621 000132199 540__ $$9info:eu-repo/semantics/openAccess$$aby-nc-nd$$uhttp://creativecommons.org/licenses/by-nc-nd/3.0/es/ 000132199 590__ $$a3.573$$b2009 000132199 591__ $$aPOLYMER SCIENCE$$b10 / 76 = 0.132$$c2009$$dQ1$$eT1 000132199 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/acceptedVersion 000132199 700__ $$0(orcid)0000-0002-8424-9780$$aUrtizberea, A. 000132199 700__ $$0(orcid)0000-0003-2553-0633$$aNatividad, E.$$uUniversidad de Zaragoza 000132199 700__ $$0(orcid)0000-0001-6284-0521$$aLuis, F.$$uUniversidad de Zaragoza 000132199 700__ $$aSilva, N. J. O. 000132199 700__ $$0(orcid)0000-0002-6403-7270$$aPalacio, F. 000132199 700__ $$aMayoral, I. 000132199 700__ $$aRuiz-Gonzalez, M. L. 000132199 700__ $$aGonzalez-Calbet, J. M. 000132199 700__ $$aLecante, P. 000132199 700__ $$aSerin, V. 000132199 7102_ $$15001$$2065$$aUniversidad de Zaragoza$$bDpto. Ciencia Tecnol.Mater.Fl.$$cÁrea Cienc.Mater. Ingen.Metal. 000132199 7102_ $$12003$$2395$$aUniversidad de Zaragoza$$bDpto. Física Materia Condensa.$$cÁrea Física Materia Condensada 000132199 773__ $$g50, 5 (2009), 1088-1094$$pPolymer$$tPolymer$$x0032-3861 000132199 8564_ $$s2368202$$uhttps://zaguan.unizar.es/record/132199/files/texto_completo.pdf$$yPostprint 000132199 8564_ $$s2350512$$uhttps://zaguan.unizar.es/record/132199/files/texto_completo.jpg?subformat=icon$$xicon$$yPostprint 000132199 909CO $$ooai:zaguan.unizar.es:132199$$particulos$$pdriver 000132199 951__ $$a2024-03-01-14:51:59 000132199 980__ $$aARTICLE