DOI: 10.1063/1.1868083. Beneficial effect of Ni substitution on the thermoelectric properties in partially filled CayCo4−xNixSb12 skutterudites

Beneficial effect of Ni substitution on the thermoelectric properties in partially filled CayCo4−xNixSb12 skutterudites

10.1063/1.1868083

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

We have investigated the influence of nickel doping in a series of n-type CoSb3 skutterudite materials partially filled with Ca. The electrical resistivity, thermopower, and thermal conductivity have been measured in the 300–800 K temperature range on CayCo1−xNixSb12 compounds prepared by a powder metallurgy route. The chemical composition and structure have been analyzed by electron probe microanalyses and x-ray diffraction, respectively. It was found that the presence of nickel substantially decreases the electrical resistivity without any detrimental effect on the thermopower, resulting in an improvement of the power factor. The dimensionless thermoelectric figure ZT increases with increasing temperature and reaches a maximum value of 1 at 800 K.

Bibliography

Puyet, M., Dauscher, A., Lenoir, B., Dehmas, M., Stiewe, C., MÃ¼ller, E., & Hejtmanek, J. (2005). Beneficial effect of Ni substitution on the thermoelectric properties in partially filled CayCo4âxNixSb12 skutterudites. Journal of Applied Physics, 97(8).

Authors 7

M. Puyet (first)
A. Dauscher (additional)
B. Lenoir (additional)
M. Dehmas (additional)
C. Stiewe (additional)
E. Müller (additional)
J. Hejtmanek (additional)

References 23 Referenced 79

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{'key': '2023080420531101100_c2', 'first-page': '139', 'volume-title': 'Semiconductors and Semimetals', 'author': 'Tritt', 'year': '2000'} / Semiconductors and Semimetals by Tritt (2000)
10.1103/PhysRevB.56.R12685 / Phys. Rev. B (1997)
{'key': '2023080420531101100_c4', 'first-page': '255', 'volume-title': 'Semiconductors and Semimetals', 'author': 'Tritt', 'year': '2000'} / Semiconductors and Semimetals by Tritt (2000)
10.1126/science.1092963 / Science (2004)
{'key': '2023080420531101100_c6', 'first-page': '91', 'volume-title': 'Proceedings of the 15th International Conference on Thermoelectrics', 'author': 'Caillat', 'year': '1996'} / Proceedings of the 15th International Conference on Thermoelectrics by Caillat (1996)
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M. Puyet, Ph.D. thesis, Institut National Polytechnique de Lorraine, Chapter V, 2004.

Dates

Type	When
Created	20 years, 4 months ago (April 7, 2005, 6:19 p.m.)
Deposited	2 years ago (Aug. 4, 2023, 4:53 p.m.)
Indexed	5 days, 7 hours ago (Aug. 28, 2025, 8:47 a.m.)
Issued	20 years, 4 months ago (April 11, 2005)
Published	20 years, 4 months ago (April 11, 2005)
Published Online	20 years, 4 months ago (April 11, 2005)
Published Print	20 years, 4 months ago (April 15, 2005)

Funders 0

None

BibTeX

@article{Puyet_2005, title={Beneficial effect of Ni substitution on the thermoelectric properties in partially filled CayCo4−xNixSb12 skutterudites}, volume={97}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.1868083}, DOI={10.1063/1.1868083}, number={8}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Puyet, M. and Dauscher, A. and Lenoir, B. and Dehmas, M. and Stiewe, C. and Müller, E. and Hejtmanek, J.}, year={2005}, month=apr }

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