DOI: 10.1063/1.1458693. Simultaneous measurements of Seebeck coefficient and thermal conductivity across superlattice

Simultaneous measurements of Seebeck coefficient and thermal conductivity across superlattice

10.1063/1.1458693

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

A method is developed to simultaneously measure the Seebeck coefficient and thermal conductivity in the cross-plane direction of thin films and applied to an n-type Si/Ge quantum-dot superlattice. In this method, an Au/Cr pattern serves as both a heater and a thermometer, and a microprobe is prepared between the heater and the thin film to extract the Seebeck voltage. Using a differential measurement between the thin films with different thickness, the temperature and voltage drops across the thin film are determined to deduce its cross-plane thermal conductivity and Seebeck coefficient. At room temperature, the cross-plane Seebeck coefficient and thermal conductivity are 312 μV/K and 2.92 W/mK, respectively, for the n-type Si(75 Å)/Ge(15 Å) quantum-dot superlattice doped to 8.7×1019 cm−3.

Bibliography

Yang, B., Liu, J. L., Wang, K. L., & Chen, G. (2002). Simultaneous measurements of Seebeck coefficient and thermal conductivity across superlattice. Applied Physics Letters, 80(10), 1758â1760.

Authors 4

B. Yang (first)
J. L. Liu (additional)
K. L. Wang (additional)
G. Chen (additional)

References 24 Referenced 106

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Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 9:26 a.m.)
Deposited	1 year, 6 months ago (Feb. 3, 2024, 4:52 p.m.)
Indexed	1 week, 3 days ago (Aug. 23, 2025, 12:58 a.m.)
Issued	23 years, 5 months ago (March 11, 2002)
Published	23 years, 5 months ago (March 11, 2002)
Published Print	23 years, 5 months ago (March 11, 2002)

Funders 0

None

BibTeX

@article{Yang_2002, title={Simultaneous measurements of Seebeck coefficient and thermal conductivity across superlattice}, volume={80}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1458693}, DOI={10.1063/1.1458693}, number={10}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Yang, B. and Liu, J. L. and Wang, K. L. and Chen, G.}, year={2002}, month=mar, pages={1758–1760} }

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