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Skutterudite: Reproducibility of Thermoelectric Performance of P-type R<sub>y</sub>Fe<sub>4-x</sub>Co<sub>x</sub>Sb<sub>12</sub> Bulky Compacts
Jin-Sol Kim, Dong-Kil Shin, Kwan-Ho Park, Il-Ho Kim
Korean J. Met. Mater. 2024;62(7):542-549.   Published online 2024 Jun 28
DOI: https://doi.org/10.3365/KJMM.2024.62.7.542

Skutterudite compounds have excellent thermoelectric performance in the intermediate-to high temperature range. Their lattice thermal conductivity can be reduced by intensifying phonon scattering through independent vibrations of the guest atoms, by filling the voids within the lattice. Furthermore, the thermoelectric figure of merit (ZT) can be enhanced by optimizing the..... More

Uniformity of Thermoelectric Properties of N-type Bi<sub>2</sub>Te<sub>3-y</sub>Se<sub>y</sub> Bulky Compacts
Se-Hyeon Choi, Go-Eun Lee, Il-Ho Kim
Korean J. Met. Mater. 2024;62(5):385-392.   Published online 2024 May 5
DOI: https://doi.org/10.3365/KJMM.2024.62.5.385

Because n-type Bi2Te3-based materials exhibit lower thermoelectric performance than p-type materials and because their thermoelectric properties are sensitively changed by the composition and carrier concentration, optimizing these aspects in n-type materials is necessary to improve the thermoelectric figure of merit (ZT). In this study, the thermoelectric performance of n-type Bi2Te3-based..... More

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