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Ye-Eun Cha 3 Articles
822 Thermoelectric Properties of P-type (Ce1-zYbz)0.8Fe4-xCoxSb12 Skutterudites
Deok-Yeong Choi, Ye-Eun Cha, Il-Ho Kim
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

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

772 Charge Transport and Thermoelectric Properties of (La1−zPrz)0.8Fe4−xCoxSb12 Skutterudites
Ye-Eun Cha, Il-Ho Kim
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

Partially La/Pr-double-filled and Co-substituted (La1−zPrz)0.8Fe4−xCoxSb12 skutterudites were synthesized by encapsulated melting and vacuum hot pressing. (La,Pr)Sb2 phases were not formed because the partial filling did not exceed the filling fraction limit, and the amount of secondary phase FeSb2 also decreased as the Co content increased. Electrical conductivity decreased with increasing..... More

465 Thermoelectric Properties of Partially Double-filled (Ce1-zNdz)yFe4-xCoxSb12 Skutterudites
Ye-Eun Cha, Il-Ho Kim
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

(Ce1-zNdz)yFe4-xCoxSb12 skutterudites were prepared by encapsulated melting, annealing, and hot pressing. The formation of a marcasite phase (FeSb2) 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

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