Purpose of this work is to establish the features in the microstructure and thermoelectric properties of composites consisting of Bi2Te2.7Se0.3-based matrix and a Fe filler. The composition with a filler content of 0.3 wt. % Fe has a higher thermolectric figure of merit as compared to the Bi2Te2.7Se0.3 matrix. For this composition, the maximum value of ZT reaches ~0.75, while for Bi2Te2.7Se0.3 ZT does not exceed ~0.63. Thus, in the composite of the Bi2Te2.7Se0.3 + Fe system, the thermoelectric figure of merit can be increased by about 20 %.
Alexei E. Vasil’ev – PhD of Physics and Mathematics, scientific worker of laboratory of prospect materials for alternative energy, Belgorod State Technological University named after V. G. Shukhov (BGTU), Belgorod, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Oleg N. Ivanov – PhD Physics and Mathematics, scientific leader of laboratory of prospect materials for alternative energy, Belgorod State Technological University named after V. G. Shukhov (BGTU), Belgorod, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Maxim N. Yaprintsev – PhD of Physics and Mathematics, scientific worker of Joint Research Centre “Technologies and Materials of BSU”, Belgorod State University (BSU), Belgorod, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Marina V. Zhezhu – engineer of laboratory of thermoelectric materials and structures, Belgorod State National University (BelSU), Belgorod, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
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DOI: 10.14489/glc.2023.06.pp.060-068
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