Effect of Grain Sizes on Thermoelectric Properties of Extruded Samples of Bi<sub>0.5</sub>Sb<sub>1.5</sub>Te<sub>3</sub> Solution

Barkhalov B. S., Tagiyev M. M., Bagiyeva G. Z., Abdinova G. D., Aliyev R. Y., Magerramova K.

RUSSIAN PHYSICS JOURNAL, vol.62, no.4, pp.664-672, 2019 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 62 Issue: 4
  • Publication Date: 2019
  • Doi Number: 10.1007/s11182-019-01761-5
  • Journal Name: RUSSIAN PHYSICS JOURNAL
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.664-672
  • Azerbaijan State University of Economics (UNEC) Affiliated: Yes

Abstract

Electrical and thermal properties of single crystalline and extruded samples of a p-type Bi0.5Sb1.5Te3 solid solution with various grain sizes are studied in a wide temperature range of 80-300 K. It is revealed that the grain sizes significantly affect the values of the thermal-e. m. f. (alpha), electrical conductivity (sigma), and thermal conductivity (chi) coefficients of the samples under study.