79513 20240104111806.0 doi 10.1007/s10853-016-0718-6 sideral 97881 ART-2017-97881 eng Madre, M. A. Universidad de Zaragoza (orcid)0000-0002-0794-3998 Enhanced electrical and thermoelectric properties from textured Bi1.6Pb0.4Ba2Co2Oy/Ag composites 2017 Access copy available to the general public Unrestricted Bi1.6Pb0.4Ba2Co2Oy/3 wt% Ag composites have been textured using the laser floating zone technique. Microstructural observations have shown the formation of relatively high amounts of secondary phases and cracks along the plate-like grains in the as-grown materials. In spite of these microstructural features, electrical properties have not been drastically decreased. Annealing of these as-grown rods has enhanced the grains connectivity, decreased the contents of the secondary phases, and healed the cracks, thereby increasing their electrical performances. It has been deduced that oxygen content in the thermoelectric phase has not been significantly modified through annealing, as demonstrated by the very similar Seebeck values at room temperature in the as-grown and annealed samples. As a consequence of the low electrical resistivity values in the annealed materials, they reached higher power factor values than the as-grown ones. The highest power factor at room temperature is in the range of those reported for single crystals, while at 650 °C, it is the highest reported in Bi–Ba–Co–O polycrystalline family so far. info:eu-repo/grantAgreement/ES/DGA-FEDER/T12 info:eu-repo/grantAgreement/ES/DGA-FEDER/T87 info:eu-repo/grantAgreement/ES/MINECO-FEDER/MAT2013-46505-C3-1-R info:eu-repo/semantics/openAccess All rights reserved http://www.europeana.eu/rights/rr-f/ 2.993 2017 MATERIALS SCIENCE, MULTIDISCIPLINARY 84 / 283 = 0.297 2017 Q2 T1 0.807 2017 Mechanical Engineering 2017 Q1 Mechanics of Materials 2017 Q2 Materials Science (miscellaneous) 2017 Q2 info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion Rasekh, Sh. (orcid)0000-0003-3466-9952 Torres, M. A. Universidad de Zaragoza (orcid)0000-0003-3995-5763 Bosque, P. Universidad de Zaragoza (orcid)0000-0003-2501-4479 Diez, J. C. Universidad de Zaragoza (orcid)0000-0001-9995-6368 Sotelo, A. Universidad de Zaragoza (orcid)0000-0001-7056-0546 5002 305 Universidad de Zaragoza Dpto. Ingeniería Diseño Fabri. Área Expresión Gráfica en Ing. 5001 065 Universidad de Zaragoza Dpto. Ciencia Tecnol.Mater.Fl. Área Cienc.Mater. Ingen.Metal. 52, 9 (2017), 4833-4839 [18p] J. Mater. Sci. JOURNAL OF MATERIALS SCIENCE 0022-2461 593283 http://zaguan.unizar.es/record/79513/files/texto_completo.pdf Postprint 70360 http://zaguan.unizar.es/record/79513/files/texto_completo.jpg?subformat=icon icon Postprint oai:zaguan.unizar.es:79513 articulos driver 2024-01-04-11:00:24 ARTICLE