DOI: 10.1063/1.1425459. Effects of partial substitution of Ni by Pd on the thermoelectric properties of ZrNiSn-based half-Heusler compounds

Effects of partial substitution of Ni by Pd on the thermoelectric properties of ZrNiSn-based half-Heusler compounds

10.1063/1.1425459

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

We report on the effects of partial substitution of nickel by palladium on the thermoelectric properties of ZrNiSn-based half-Heusler compounds. It is shown that the substitution of palladium for nickel results in a significant, beneficial reduction of the thermal conductivity. The Seebeck coefficient also decreases, but only by a small amount. In the Hf0.5Zr0.5Ni0.8Pd0.2Sn0.99Sb0.01 compound, a power factor of 22.1 μW K−2 cm−1 and a thermal conductivity as low as 4.5 W/m K are measured at room temperature. The dimensionless figure of merit ZT increases with increasing temperature and reaches a maximum value of 0.7 at about 800 K.

Bibliography

Shen, Q., Chen, L., Goto, T., Hirai, T., Yang, J., Meisner, G. P., & Uher, C. (2001). Effects of partial substitution of Ni by Pd on the thermoelectric properties of ZrNiSn-based half-Heusler compounds. Applied Physics Letters, 79(25), 4165â4167.

Authors 7

Q. Shen (first)
L. Chen (additional)
T. Goto (additional)
T. Hirai (additional)
J. Yang (additional)
G. P. Meisner (additional)
C. Uher (additional)

References 15 Referenced 367

{'key': '2024020321180236700_r1'}
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{'key': '2024020321180236700_r12'}
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{'key': '2024020321180236700_r15'}

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 9:15 a.m.)
Deposited	1 year, 6 months ago (Feb. 3, 2024, 4:18 p.m.)
Indexed	5 days, 21 hours ago (Aug. 23, 2025, 12:58 a.m.)
Issued	23 years, 8 months ago (Dec. 17, 2001)
Published	23 years, 8 months ago (Dec. 17, 2001)
Published Print	23 years, 8 months ago (Dec. 17, 2001)

Funders 0

None

BibTeX

@article{Shen_2001, title={Effects of partial substitution of Ni by Pd on the thermoelectric properties of ZrNiSn-based half-Heusler compounds}, volume={79}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1425459}, DOI={10.1063/1.1425459}, number={25}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Shen, Q. and Chen, L. and Goto, T. and Hirai, T. and Yang, J. and Meisner, G. P. and Uher, C.}, year={2001}, month=dec, pages={4165–4167} }

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