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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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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
Abstract
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.....
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Web of Science 1
Crossref 1
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Korean J. Met. Mater.
2021;59(4):239-246. Published online 2021 Mar 24
DOI:
https://doi.org/10.3365/KJMM.2021.59.4.239
Abstract
La/Ce-partially double-filled and Co-charge-compensated (La
1−z
Ce
z
)
0.8
Fe
4−x
Co
x
Sb
12
skutterudites were synthesized, and their thermoelectric properties were studied by varying the filling ratio and charge compensation. X-ray diffraction analysis revealed that the matrix phase was skutterudite and a secondary phase was determined to the marcasite FeSb
2
. However, the formation of marcasite could be inhibited.....
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Web of Science 2
Crossref 2
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Korean J. Met. Mater.
2019;57(12):801-807. Published online 2019 Nov 22
DOI:
https://doi.org/10.3365/KJMM.2019.57.12.801
Abstract
Partially double-filled skutterudites were prepared via encapsulated melting and hot pressing processes. The skutterudite phase was successfully synthesized through partial double filling of La/Yb and substitution of Co. A small quantity of secondary phase (marcasite FeSb
2
) was formed, but its formation was suppressed by increasing Co charge compensation. The marcasite.....
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Crossref 2
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Korean J. Met. Mater.
2019;57(6):366-373. Published online 2019 May 16
DOI:
https://doi.org/10.3365/KJMM.2019.57.6.366
Abstract
p-Type (La1−zNdz)0.8Fe4−xCoxSb12 skutterudites were prepared by partial double filling with La/Nd and charge compensation by substituting Co for Fe. The skutterudite phase was successfully synthesized using encapsulated melting, quenching, annealing and hot-pressing processes, but a small amount of the marcasite phase was identified. Partial filling within the filling fraction limit.....
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Web of Science 4
Crossref 3
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Korean J. Met. Mater.
2018;56(11):822-828. Published online 2018 Nov 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.11.822
Abstract
P-type Ce/Yb-filled skutterudites were synthesized, and their charge transport and thermoelectric properties were investigated with partial double filling and charge compensation. In the case of (Ce1-zYbz)0.8Fe4Sb12 without Co substitution, the marcasite (FeSb2) phase formed alongside the skutterudite phase, but the generation of the marcasite phase was inhibited by increasing Co.....
More
Crossref 1
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Korean J. Met. Mater.
2018;56(10):772-778. Published online 2018 Oct 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.10.772
Abstract
Partially La/Pr-double-filled and Co-substituted (La
1−z
Pr
z
)
0.8
Fe
4−x
Co
x
Sb
12
skutterudites were synthesized by encapsulated melting and vacuum hot pressing. (La,Pr)Sb
2
phases were not formed because the partial filling did not exceed the filling fraction limit, and the amount of secondary phase FeSb
2
also decreased as the Co content increased. Electrical conductivity decreased with increasing.....
More
Crossref 3
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Korean J. Met. Mater.
2018;56(6):465-471. Published online 2018 Jun 4
DOI:
https://doi.org/10.3365/KJMM.2018.56.6.465
Abstract
(Ce
1-z
Nd
z
)
y
Fe
4-x
Co
x
Sb
12
skutterudites were prepared by encapsulated melting, annealing, and hot pressing. The formation of a marcasite phase (FeSb
2
) was significantly suppressed by partially filling the voids with Ce/Nd and making a Co substitution at the Fe site. Both the Hall and the Seebeck coefficient values were positive, indicating that all.....
More
Crossref 4
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