{"title":"Theoretical study of specific heat capacity of thermoelectric half-Heusler XNiSb (X = Sc, Tm) compounds","authors":"E. Eser, H. Koç","doi":"10.1080/09500839.2021.1874068","DOIUrl":null,"url":null,"abstract":"ABSTRACT The specific heat capacity of half-Heusler ScNiSb and TmNiSb compounds have been calculated using a simple approximation in the temperature range 0–298 K. The results obtained for the specific heat capacities are in good agreement with the experimental data in the literature. The Debye temperatures were derived by fitting the analytical expression obtained in this study to experimental data. The Debye temperatures and the Sommerfeld coefficients resulting from the fitting are 355.95 K and 7.19 mJ/mol.K for ScNiSb, and 234.5 K and 14.92 mJ/mol.K for TmNiSb.","PeriodicalId":19860,"journal":{"name":"Philosophical Magazine Letters","volume":"101 1","pages":"154 - 159"},"PeriodicalIF":1.2000,"publicationDate":"2021-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/09500839.2021.1874068","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Philosophical Magazine Letters","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1080/09500839.2021.1874068","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
ABSTRACT The specific heat capacity of half-Heusler ScNiSb and TmNiSb compounds have been calculated using a simple approximation in the temperature range 0–298 K. The results obtained for the specific heat capacities are in good agreement with the experimental data in the literature. The Debye temperatures were derived by fitting the analytical expression obtained in this study to experimental data. The Debye temperatures and the Sommerfeld coefficients resulting from the fitting are 355.95 K and 7.19 mJ/mol.K for ScNiSb, and 234.5 K and 14.92 mJ/mol.K for TmNiSb.
期刊介绍：
Philosophical Magazine Letters is the rapid communications part of the highly respected Philosophical Magazine, which was first published in 1798. Its Editors consider for publication short and timely contributions in the field of condensed matter describing original results, theories and concepts relating to the structure and properties of crystalline materials, ceramics, polymers, glasses, amorphous films, composites and soft matter. Articles emphasizing experimental, theoretical and modelling studies on solids, especially those that interpret behaviour on a microscopic, atomic or electronic scale, are particularly appropriate.
Manuscripts are considered on the strict condition that they have been submitted only to Philosophical Magazine Letters , that they have not been published already, and that they are not under consideration for publication elsewhere.
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