DOI: 10.1557/jmr.2000.0325. Synthesis of filled skutterudite compounds: BayFexCo4−xSb12

Synthesis of filled skutterudite compounds: BayFexCo4−xSb12

10.1557/jmr.2000.0325

Crossref journal-article

Springer Science and Business Media LLC

Journal of Materials Research (297)

Abstract

Ba-filled skutterudite compounds, BayFexCo4−xSb12, were synthesized by a two-step solid reaction method. A binary compound of Sb3Ba and a ternary compound of FexCo1−xSb2 were first synthesized at 900 and 973 K, respectively. The presynthesized Sb3Ba and FexCo1−xSb2 were then mixed with Sb and heated at 973 K in an Ar atmosphere. The resulting powder was of single phase with a composition of BayFexCo4−xSb12, having skutterudite structure with the Sb–dodecahedron voids fractionally filled by Ba. The lattice constant of BayFexCo4−xSb12 increased with Ba and Fe content. The maximum filling fraction of Ba (ymax) in BayFexCo4−xSb12 was found to be greater than that of Ce or La in LnyFexCo4−xSb12, especially in the lower Fe content region. The ymax varied from 0.35 to near 1.0 when Fe content (x) changed from 0 to 4.

Bibliography

Chen, L., Tang, X., Goto, T., & Hirai, T. (2000). Synthesis of filled skutterudite compounds: BayFexCo4âxSb12. Journal of Materials Research, 15(11), 2276â2279.

Authors 4

L. Chen (first)
X. Tang (additional)
T. Goto (additional)
T. Hirai (additional)

References 15 Referenced 40

Dates

Type	When
Created	17 years, 5 months ago (March 5, 2008, 9:37 p.m.)
Deposited	4 years, 6 months ago (Feb. 24, 2021, 5:18 p.m.)
Indexed	3 weeks, 1 day ago (Aug. 12, 2025, 5:58 p.m.)
Issued	24 years, 10 months ago (Nov. 1, 2000)
Published	24 years, 10 months ago (Nov. 1, 2000)
Published Online	14 years, 7 months ago (Jan. 31, 2011)
Published Print	24 years, 10 months ago (Nov. 1, 2000)

Funders 0

None

BibTeX

@article{Chen_2000, title={Synthesis of filled skutterudite compounds: BayFexCo4−xSb12}, volume={15}, ISSN={2044-5326}, url={http://dx.doi.org/10.1557/jmr.2000.0325}, DOI={10.1557/jmr.2000.0325}, number={11}, journal={Journal of Materials Research}, publisher={Springer Science and Business Media LLC}, author={Chen, L. and Tang, X. and Goto, T. and Hirai, T.}, year={2000}, month=nov, pages={2276–2279} }

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  "abstract": "<jats:p>Ba-filled skutterudite compounds, Ba<jats:sub><jats:italic>y</jats:italic></jats:sub>Fe<jats:sub><jats:italic>x</jats:italic></jats:sub>Co<jats:sub>4\u2212<jats:italic>x</jats:italic></jats:sub>Sb<jats:sub>12</jats:sub>, were synthesized by a two-step solid reaction method. A binary compound of Sb<jats:sub>3</jats:sub>Ba and a ternary compound of Fe<jats:sub><jats:italic>x</jats:italic></jats:sub>Co<jats:sub>1\u2212<jats:italic>x</jats:italic></jats:sub>Sb<jats:sub>2</jats:sub> were first synthesized at 900 and 973 K, respectively. The presynthesized Sb<jats:sub>3</jats:sub>Ba and Fe<jats:sub><jats:italic>x</jats:italic></jats:sub>Co<jats:sub>1\u2212<jats:italic>x</jats:italic></jats:sub>Sb<jats:sub>2</jats:sub> were then mixed with Sb and heated at 973 K in an Ar atmosphere. The resulting powder was of single phase with a composition of Ba<jats:sub><jats:italic>y</jats:italic></jats:sub>Fe<jats:sub><jats:italic>x</jats:italic></jats:sub>Co<jats:sub>4\u2212<jats:italic>x</jats:italic></jats:sub>Sb<jats:sub>12</jats:sub>, having skutterudite structure with the Sb\u2013dodecahedron voids fractionally filled by Ba. The lattice constant of Ba<jats:sub><jats:italic>y</jats:italic></jats:sub>Fe<jats:sub><jats:italic>x</jats:italic></jats:sub>Co<jats:sub>4\u2212<jats:italic>x</jats:italic></jats:sub>Sb<jats:sub>12</jats:sub> increased with Ba and Fe content. The maximum filling fraction of Ba (<jats:italic>y</jats:italic><jats:sub>max</jats:sub>) in Ba<jats:sub><jats:italic>y</jats:italic></jats:sub>Fe<jats:sub><jats:italic>x</jats:italic></jats:sub>Co<jats:sub>4\u2212<jats:italic>x</jats:italic></jats:sub>Sb<jats:sub>12</jats:sub> was found to be greater than that of Ce or La in Ln<jats:sub><jats:italic>y</jats:italic></jats:sub>Fe<jats:sub><jats:italic>x</jats:italic></jats:sub>Co<jats:sub>4\u2212<jats:italic>x</jats:italic></jats:sub>Sb<jats:sub>12</jats:sub>, especially in the lower Fe content region. The <jats:italic>y</jats:italic><jats:sub>max</jats:sub> varied from 0.35 to near 1.0 when Fe content (<jats:italic>x</jats:italic>) changed from 0 to 4.</jats:p>",
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