M. Puyet, B. Lenoir, A. Dauscher, H. Scherrer, C. Bellouard, J. Hejtmánek
{"title":"Low temperature thermoelectric properties of Ca/sub x/Co/sub 4/Sb/sub 12/ skutterudites","authors":"M. Puyet, B. Lenoir, A. Dauscher, H. Scherrer, C. Bellouard, J. Hejtmánek","doi":"10.1109/ICT.2005.1519908","DOIUrl":null,"url":null,"abstract":"Electrical resistivity, thermoelectric power, thermal conductivity, and dimensionless figure of merit of the partially filled skutterudites CaxCo4Sb12, with x = 0, 0.03, 0.05, 0.08, and 0.20, have been studied in the low temperature range, from 4.2 to 300 K. The compounds have been prepared by a powder metallurgy route. We find that the insertion of Ca in the voids of the skutterudite structure has a dramatic effect on all the transport properties. Qualitative analysis of the physical properties was realized and the results are discussed as a function of the Ca filling fraction and compared to data obtained with other CoSb3 partially filled skutterudites.","PeriodicalId":422400,"journal":{"name":"ICT 2005. 24th International Conference on Thermoelectrics, 2005.","volume":"18 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2005-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"ICT 2005. 24th International Conference on Thermoelectrics, 2005.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICT.2005.1519908","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Electrical resistivity, thermoelectric power, thermal conductivity, and dimensionless figure of merit of the partially filled skutterudites CaxCo4Sb12, with x = 0, 0.03, 0.05, 0.08, and 0.20, have been studied in the low temperature range, from 4.2 to 300 K. The compounds have been prepared by a powder metallurgy route. We find that the insertion of Ca in the voids of the skutterudite structure has a dramatic effect on all the transport properties. Qualitative analysis of the physical properties was realized and the results are discussed as a function of the Ca filling fraction and compared to data obtained with other CoSb3 partially filled skutterudites.
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