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Thermal and Electrical Properties of Heavily Doped Ge-Si Alloys up to 1300°K
Abstract
The thermal resistivity, Seebeck coefficient, electrical resistivity, and Hall mobility of Ge-Si alloys have been measured throughout the Ge-Si alloy system as functions of impurity concentration in the range 2×1018−4×1020cm−3, and of temperature in the range 300°–1300°K. A qualitative interpretation of these properties is given. For power conversion, boron and phosphorus were found to be useful p-type and n-type impurities, respectively, because of their high solid solubilities. At 1200°K, the maximum values of the dimensionless figure of merit zT were 0.8 for p-type Ge0.15-Si0.85 alloy doped to 2.1×1020cm−3 holes, and 1.0 for n-type Ge0.15-Si0.85 alloy doped to 2.7×1020cm−3 electrons. The maximum over-all efficiency of a stable generator operating between 300°–1200°K, using the best p-type and n-type materials was computed to be 10%.
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Cited by
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Naik, G. V., Shalaev, V. M., & Boltasseva, A. (2013) · Advanced Materials · doi:10.1002/adma.201205076 · Cited by 2,373
Materials for thermoelectric energy conversion
Wood, C. (1988) · Reports on Progress in Physics · doi:10.1088/0034-4885/51/4/001 · Cited by 1,121
Enhanced Thermoelectric Figure-of-Merit in Nanostructured p-type Silicon Germanium Bulk Alloys
Joshi, G., Lee, H., Lan, Y., Wang, X., Zhu, G., Wang, D., Gould, R. W., Cuff, D. C., Tang, M. Y., Dresselhaus, M. S., et al. (2008) · Nano Letters · doi:10.1021/nl8026795 · Cited by 1,119
Thermal conductivity of Si–Ge superlattices
Lee, S.-M., Cahill, D. G., & Venkatasubramanian, R. (1997) · Applied Physics Letters · doi:10.1063/1.118755 · Cited by 709
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Metadata
- Authors
- Dismukes, J. P., Ekstrom, L., Steigmeier, E. F., Kudman, I., & Beers, D. S.
- Venue
- Journal of Applied Physics
- Publisher
- AIP Publishing
- Published
- 1964-10-01
- Volume
- 35
- Issue
- 10
- Pages
- 2899-2907
- ISSN
- 0021-8979 (ISSN-L)
- 1089-7550
- OpenAlex
- W2019473624
- Cited by
- 595
- References
- 0
- FWCI
- 3.95
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Thermal and Electrical Properties of Heavily Doped Ge-Si Alloys up to 1300°K. https://app.cochat.ai/papers/10.1063/1.1713126
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- Dismukes, J. P., Ekstrom, L., Steigmeier, E. F., Kudman, I., & Beers, D. S. (1964). Thermal and Electrical Properties of Heavily Doped Ge-Si Alloys up to 1300°K. Journal of Applied Physics. https://doi.org/10.1063/1.1713126
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