O. Ivanov, M. Yaprintsev, A. Vasil'ev, E. P. Dan’shina
{"title":"EFFECT OF FEATURES IN GRAIN STRUCTURE ON THE THERMOELECTRIC PROPERTIES OF COMPOUNDS BASED ON BISMUTH TELLURIDE","authors":"O. Ivanov, M. Yaprintsev, A. Vasil'ev, E. P. Dan’shina","doi":"10.14489/glc.2022.01.pp.003-011","DOIUrl":null,"url":null,"abstract":"Specific mechanisms of grain structure effect on the thermoelectric properties (specific electrical resistivity and total thermal conductivity) of the Bi1.9Gd0.1Te3 compound have been analyzed. These mechanisms are as follows: 1) forming the surface Te vacancies at grain boundaries acting as donor centres; 2) changing the elemental composition of the grains at high-temperature Te evaporation under thermal treatment of material to prepare the samples with desired average grain size.","PeriodicalId":445802,"journal":{"name":"Steklo i Keramika","volume":"100 8","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Steklo i Keramika","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.14489/glc.2022.01.pp.003-011","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
Specific mechanisms of grain structure effect on the thermoelectric properties (specific electrical resistivity and total thermal conductivity) of the Bi1.9Gd0.1Te3 compound have been analyzed. These mechanisms are as follows: 1) forming the surface Te vacancies at grain boundaries acting as donor centres; 2) changing the elemental composition of the grains at high-temperature Te evaporation under thermal treatment of material to prepare the samples with desired average grain size.
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