Improvement of Bi2Sr2Co2Oy thermoelectric performances by Na doping

Bi2Sr2-xNaxCo2Oy thermoelectric materials with x = 0, 0.025, 0.05, 0.075, 0.10, 0.125, and 0.15 have been prepared by the classical solid state reaction. Microstructure has shown an important grain growth when Na is added, leading to very high bulk densities confirmed through density measurements. T...

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Autores: Çetin Karakaya, G., Ozçelik, Bekir, Nane, O., Sotelo, A., Rasekh, Sh., Torres, M.A., Madre, M.A.
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2018
País:España
Institución:Universidad de Zaragoza
Repositorio:Zaguán. Repositorio Digital de la Universidad de Zaragoza
OAI Identifier:oai:zaguan.unizar.es:168152
Acceso en línea:http://zaguan.unizar.es/record/168152
Access Level:acceso abierto
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spelling Improvement of Bi2Sr2Co2Oy thermoelectric performances by Na dopingÇetin Karakaya, G.Ozçelik, BekirNane, O.Sotelo, A.Rasekh, Sh.Torres, M.A.Madre, M.A.Bi2Sr2-xNaxCo2Oy thermoelectric materials with x = 0, 0.025, 0.05, 0.075, 0.10, 0.125, and 0.15 have been prepared by the classical solid state reaction. Microstructure has shown an important grain growth when Na is added, leading to very high bulk densities confirmed through density measurements. These modifications have produced a drastic decrease of electrical resistivity without significant modification of Seebeck coefficient. As a consequence, Power Factor has been increased in all Na-doped samples, reaching the maximum value (0.21 mW/K2.m at 650 °C) for 0.075 Na samples, which is fairly close to the reported for single crystals.2018info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersionapplication/pdfhttp://zaguan.unizar.es/record/168152reponame:Zaguán. Repositorio Digital de la Universidad de Zaragozainstname:Universidad de ZaragozaInglésinfo:eu-repo/grantAgreement/ES/DGA/T12info:eu-repo/grantAgreement/ES/MINECO-FEDER/MAT2013-46505-C3-1-Rinfo:eu-repo/semantics/openAccessoai:zaguan.unizar.es:1681522026-05-29T13:59:51Z
dc.title.none.fl_str_mv Improvement of Bi2Sr2Co2Oy thermoelectric performances by Na doping
title Improvement of Bi2Sr2Co2Oy thermoelectric performances by Na doping
spellingShingle Improvement of Bi2Sr2Co2Oy thermoelectric performances by Na doping
Çetin Karakaya, G.
title_short Improvement of Bi2Sr2Co2Oy thermoelectric performances by Na doping
title_full Improvement of Bi2Sr2Co2Oy thermoelectric performances by Na doping
title_fullStr Improvement of Bi2Sr2Co2Oy thermoelectric performances by Na doping
title_full_unstemmed Improvement of Bi2Sr2Co2Oy thermoelectric performances by Na doping
title_sort Improvement of Bi2Sr2Co2Oy thermoelectric performances by Na doping
dc.creator.none.fl_str_mv Çetin Karakaya, G.
Ozçelik, Bekir
Nane, O.
Sotelo, A.
Rasekh, Sh.
Torres, M.A.
Madre, M.A.
author Çetin Karakaya, G.
author_facet Çetin Karakaya, G.
Ozçelik, Bekir
Nane, O.
Sotelo, A.
Rasekh, Sh.
Torres, M.A.
Madre, M.A.
author_role author
author2 Ozçelik, Bekir
Nane, O.
Sotelo, A.
Rasekh, Sh.
Torres, M.A.
Madre, M.A.
author2_role author
author
author
author
author
author
description Bi2Sr2-xNaxCo2Oy thermoelectric materials with x = 0, 0.025, 0.05, 0.075, 0.10, 0.125, and 0.15 have been prepared by the classical solid state reaction. Microstructure has shown an important grain growth when Na is added, leading to very high bulk densities confirmed through density measurements. These modifications have produced a drastic decrease of electrical resistivity without significant modification of Seebeck coefficient. As a consequence, Power Factor has been increased in all Na-doped samples, reaching the maximum value (0.21 mW/K2.m at 650 °C) for 0.075 Na samples, which is fairly close to the reported for single crystals.
publishDate 2018
dc.date.none.fl_str_mv 2018
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv http://zaguan.unizar.es/record/168152
url http://zaguan.unizar.es/record/168152
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv info:eu-repo/grantAgreement/ES/DGA/T12
info:eu-repo/grantAgreement/ES/MINECO-FEDER/MAT2013-46505-C3-1-R
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv
publisher.none.fl_str_mv
dc.source.none.fl_str_mv reponame:Zaguán. Repositorio Digital de la Universidad de Zaragoza
instname:Universidad de Zaragoza
instname_str Universidad de Zaragoza
reponame_str Zaguán. Repositorio Digital de la Universidad de Zaragoza
collection Zaguán. Repositorio Digital de la Universidad de Zaragoza
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,811543

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