000076968 001__ 76968 000076968 005__ 20240104111810.0 000076968 0247_ $$2doi$$a10.3390/ma11122503 000076968 0248_ $$2sideral$$a109855 000076968 037__ $$aART-2018-109855 000076968 041__ $$aeng 000076968 100__ $$0(orcid)0000-0001-7056-0546$$aSotelo, A.$$uUniversidad de Zaragoza 000076968 245__ $$aInfluence of Ag on the properties of Ca0.9Yb0.1MnO3 sintered ceramics 000076968 260__ $$c2018 000076968 5060_ $$aAccess copy available to the general public$$fUnrestricted 000076968 5203_ $$aIn this study, Ca0.9Yb0.1MnO3 + x wt.% Ag (with x = 0, 1, 3, 5, and 10) thermoelectric materials were prepared via the classical ceramic method. In spite of the very high sintering temperature (1300 °C), no significant Ag losses were observed following this process. Moreover, Ag addition enhanced cation mobility during sintering due to the formation of a liquid phase. Microstructurally, it was found that Ag decreases porosity; this was confirmed by density measurements. Ag was also found to promote the formation of a Ca2Mn2O5 secondary phase. Despite the presence of this secondary phase, samples with Ag displayed lower electrical resistivity than Ag-free ones, without a drastic decrease in the absolute Seebeck coefficient. The highest thermoelectric performances, which were determined by power factor, were obtained in 1 wt.% Ag samples. These maximum values are slightly higher than the best of those reported in the literature for sintered materials with similar compositions, with the additional advantage of their being obtained using a much shorter sintering procedure. 000076968 536__ $$9info:eu-repo/grantAgreement/ES/DGA/T54-17R$$9info:eu-repo/grantAgreement/ES/MINECO-FEDER/MAT2017-82183-C3-1-R 000076968 540__ $$9info:eu-repo/semantics/openAccess$$aby$$uhttp://creativecommons.org/licenses/by/3.0/es/ 000076968 590__ $$a2.972$$b2018 000076968 591__ $$aMATERIALS SCIENCE, MULTIDISCIPLINARY$$b102 / 293 = 0.348$$c2018$$dQ2$$eT2 000076968 592__ $$a0.686$$b2018 000076968 593__ $$aMaterials Science (miscellaneous)$$c2018$$dQ2 000076968 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion 000076968 700__ $$0(orcid)0000-0003-3995-5763$$aTorres, M.A.$$uUniversidad de Zaragoza 000076968 700__ $$0(orcid)0000-0002-0794-3998$$aMadre, M.A.$$uUniversidad de Zaragoza 000076968 700__ $$0(orcid)0000-0001-9995-6368$$aDiez, J.C.$$uUniversidad de Zaragoza 000076968 7102_ $$15002$$2305$$aUniversidad de Zaragoza$$bDpto. Ingeniería Diseño Fabri.$$cÁrea Expresión Gráfica en Ing. 000076968 7102_ $$15001$$2065$$aUniversidad de Zaragoza$$bDpto. Ciencia Tecnol.Mater.Fl.$$cÁrea Cienc.Mater. Ingen.Metal. 000076968 773__ $$g11, 12 (2018), 2503 [10 pp]$$pMaterials (Basel)$$tMaterials$$x1996-1944 000076968 8564_ $$s2794620$$uhttps://zaguan.unizar.es/record/76968/files/texto_completo.pdf$$yVersión publicada 000076968 8564_ $$s111624$$uhttps://zaguan.unizar.es/record/76968/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada 000076968 909CO $$ooai:zaguan.unizar.es:76968$$particulos$$pdriver 000076968 951__ $$a2024-01-04-11:02:10 000076968 980__ $$aARTICLE