Percolation effects and self-organization processes in cold-pressed Bi2(Te1−xSex)3 solid solutions

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dc.contributor.authorRogacheva, E. I.en
dc.contributor.authorMartynova, E. V.en
dc.contributor.authorShelest, T. N.en
dc.contributor.authorDoroshenko, A. N.en
dc.contributor.authorNashchekina, O. N.en
dc.date.accessioned2023-01-29T21:50:46Z
dc.date.available2023-01-29T21:50:46Z
dc.date.issued2021
dc.description.abstractIt was established that the dependences of thermoelectric and mechanical properties of cold-pressed Bi2(Te1−xSex)3 alloys on composition (x = 0–0.07) exhibit a non-monotonic behavior in certain concentration ranges: an anomalous decrease in the Seebeck coefficient, thermoelectric power factor, and microhardness, and increase in electrical conductivity with increasing x. We observed similar anomalies earlier for cast Bi2(Te1−xSex)3 alloys and explained them by percolation and self-organization phenomena. Thus, the existence of the anomalies does not depend on the method of sample preparation. However, in pressed samples as compared to cast ones conductivity type changes from p to n and thermoelectric power factor increases.en
dc.identifier.citationPercolation effects and self-organization processes in cold-pressed Bi2(Te1−xSex)3 solid solutions [Electronic resource] / E. I. Rogacheva [et al.] // Materials Today : Proceedings. – Electronic text data. – 2021. – Vol. 44, Pt. 4. – P. 3506-3510. – URL: https://www.sciencedirect.com/science/article/pii/S2214785320368565?via%3Dihub#kg005en
dc.identifier.doidoi.org/10.1016/j.matpr.2020.09.159
dc.identifier.orcidhttps://orcid.org/0000-0001-7584-656X
dc.identifier.orcidhttps://orcid.org/0000-0002-8116-6189
dc.identifier.orcidhttps://orcid.org/0000-0002-9638-7080
dc.identifier.orcidhttps://orcid.org/0000-0003-2578-1109
dc.identifier.urihttps://repository.kpi.kharkov.ua/handle/KhPI-Press/61809
dc.language.isoen
dc.publisherElsevier Ltden
dc.subjectBi2(Te1−xSex)3 solid solutionsen
dc.subjectcompositionen
dc.subjectthermoelectric propertiesen
dc.subjectmicrohardnessen
dc.subjectpercolationen
dc.subjectself-organizationen
dc.titlePercolation effects and self-organization processes in cold-pressed Bi2(Te1−xSex)3 solid solutionsen
dc.typeThesisen

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