DOI: 10.1139/p65-060. THERMOELECTRIC PROPERTIES OF Bi<sub>2</sub>Te<sub>3</sub>

THERMOELECTRIC PROPERTIES OF Bi2Te3–Sb2Te3 ALLOYS

10.1139/p65-060

Crossref journal-article

Canadian Science Publishing

Canadian Journal of Physics (155)

Abstract

Alloys of nominal composition Bi2−xSbxTe3+y were prepared in an evacuated, sealed ampule by a horizontal zone melting method. Single-crystal samples were cut from the ingots, and measurements of Seebeck coefficient, electrical conductivity, thermoelectric figure of merit (Z), and thermal conductivity (κ) were made over a temperature range of 160 to 360 °K using the Peltier–Seebeck method developed by Harman. Alloys of nominal composition Bi2−xSbxTe3.13 were found to be n type for [Formula: see text] and p type for x > 1. In alloys of high antimony content, the hole concentration was influenced very little by the amount of excess tellurium. The change of Z was studied by varying y from 0.06 to 0.26 at x equal to 0, 0.25, 1.4, 1.5, and 1.6 respectively. Optimum doping to maximize Z did not appear to be possible in a simple way over the entire range of x between 0 and 2. The temperature dependence of κ indicated that the maximum Z at x = 1.5 may be limited by an ambipolar contribution.

Bibliography

Champness, C. H., Chiang, P. T., & Parekh, P. (1965). THERMOELECTRIC PROPERTIES OF Bi2Te3âSb2Te3 ALLOYS. Canadian Journal of Physics, 43(4), 653â669.

Authors 3

C. H. Champness (first)
P. T. Chiang (additional)
P. Parekh (additional)

References 8 Referenced 67

I I A P E T I A N T S,S. V. and E1310v.4,B. A. 19.58. Soviet Phys. Tech. Phys. (English Trans!.), 3. 1632.
BENEL.H. 1968. Collot.Rend. 247. 584.
10.1063/1.1736059 / J. Appl. Phys. by COSGROVE G. J. (1961)
DRABBLE,1. R. and GOLDSMID,H. 1. 1961. Thermal conduction in seniconductors(Peraa- moll Press, London), p. 117.
GOLDSMID.H. I. 1961. I. ADD].Phvs. 32. 2198. (10.1063/1.1777042)
{'key': 'p_9/p_9_1', 'first-page': '1012', 'volume': '2', 'author': 'KOKOSH G. V.', 'year': '1961', 'journal-title': 'Solid State (English Transl.)'} / Solid State (English Transl.) by KOKOSH G. V. (1961)
10.1016/0022-3697(59)90074-5 / Phys. Chem. Solids by ROSI F. D. (1959)
10.1016/0022-3697(62)90168-3 / J. Phys. Chen. Solids by TESTARDI L. R. (1962)

Dates

Type	When
Created	14 years, 4 months ago (April 24, 2011, 3:42 a.m.)
Deposited	1 month, 3 weeks ago (July 2, 2025, 10:37 a.m.)
Indexed	5 minutes ago (Aug. 28, 2025, 8:53 a.m.)
Issued	60 years, 4 months ago (April 1, 1965)
Published	60 years, 4 months ago (April 1, 1965)
Published Print	60 years, 4 months ago (April 1, 1965)

Funders 0

None

BibTeX

@article{Champness_1965, title={THERMOELECTRIC PROPERTIES OF Bi2Te3–Sb2Te3 ALLOYS}, volume={43}, ISSN={1208-6045}, url={http://dx.doi.org/10.1139/p65-060}, DOI={10.1139/p65-060}, number={4}, journal={Canadian Journal of Physics}, publisher={Canadian Science Publishing}, author={Champness, C. H. and Chiang, P. T. and Parekh, P.}, year={1965}, month=apr, pages={653–669} }

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