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- Title
Influence of Grain Structure Features on the Thermoelectric Properties of Compounds Based on Bismuth Telluride.
- Authors
Ivanov, O. N.; Yapryntsev, M. N.; Vasil'ev, A. E.; Dan'shina, E. P.
- Abstract
An analysis of the specific mechanisms of the influence of the state of the grain structure on the thermoelectric properties (electrical resistivity and total thermal conductivity) of the compound Bi1.9Gd0.1Te3 is presented. The following mechanisms are considered: 1) formation of Te surface vacancies at grain boundaries, which act as donor centers; 2) change in the elemental composition of grains on high-temperature evaporation of Te on heat treatment of the material aimed at obtaining samples with a controlled average grain size.
- Subjects
THERMOELECTRIC materials; BISMUTH telluride; BISMUTH compounds; HEAT treatment; CRYSTAL grain boundaries; GRAIN
- Publication
Glass & Ceramics, 2022, Vol 79, Issue 1/2, p3
- ISSN
0361-7610
- Publication type
Article
- DOI
10.1007/s10717-022-00443-y