Effect of microstructure on the thermo-power of thermoelectric composite of the Bi 2 Te 3  (matrix) +  x Ni (filler) system

M. Zhezhu; Жежу М.; A. E. Vasil’ev; Васильев А. Е.; O. N. Ivanov; Иванов О. Н.

doi:10.31857/S0367676523701363

Effect of microstructure on the thermo-power of thermoelectric composite of the Bi₂Te₃ (matrix) + xNi (filler) system

Autores: Zhezhu M.¹, Vasil’ev A.², Ivanov O.N.¹^,2
Afiliações:
1. Belgorod State Technological University
2. Belgorod State University
Edição: Volume 87, Nº 6 (2023)
Páginas: 786-791
Seção: Articles
URL: https://ogarev-online.ru/0367-6765/article/view/135397
DOI: https://doi.org/10.31857/S0367676523701363
EDN: https://elibrary.ru/VKPKIX
ID: 135397

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Resumo

The patterns of effect of the ferromagnetic filler content on the features in the microstructure of “Ni core–shell NiTe₂” inclusions, changes in the Seebeck coefficient and electron concentration in samples of the Bi₂Te₃ (matrix) + xNi (filler) composites with x = 0.00; 0.50; 0.85; 1.25 and 1.50 wt % have been found. It is shown that the Seebeck coefficient in the composites x = 0.50 and 0.85 exceeds the calculated values, which may be due to additional scattering of electrons by the magnetic moments of inclusion atoms.

Bibliografia

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