Publication: Analysis of anomalous negative magnetic contribution to thermal expansion in Sm0.80B6 and pseudobinary compounds Sm1-xLaxB6 (x = 0, 0.10, 0.22, 0.50)
Дата
2019
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© 2017 Elsevier B.V. This study is the first attempt to apply the two-level Weiss model for the invar alloy to intermediate-valence samarium systems. This model is instrumental in giving a quantitative characterisation of the anomalous magnetic contribution to the coefficient of thermal expansion (CTE) of Sm0.80B6 and Sm1-xLaxB6 (x = 0, 0.10, 0.22, 0.50). A good agreement between the experimental and calculated magnetic contributions to the CTE is achieved for Sm0.78La0.22B6 over the temperature range from 0 K to 210 K. In other systems, a good fit is obtained over shorter temperature ranges. The model parameters and the dependence of the CTE minimum on the level of lanthanum doping in SmB6 are presented.
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Serebrennikov, D. A. Analysis of anomalous negative magnetic contribution to thermal expansion in Sm0.80B6 and pseudobinary compounds Sm1-xLaxB6 (x = 0, 0.10, 0.22, 0.50) / Serebrennikov, P. A. // Journal of Magnetism and Magnetic Materials. - 2019. - 470. - P. 131-134. - 10.1016/j.jmmm.2017.10.116
URI
https://www.doi.org/10.1016/j.jmmm.2017.10.116
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https://www.scopus.com/record/display.uri?eid=2-s2.0-85033561470&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000450575800030
https://openrepository.mephi.ru/handle/123456789/16248