DocumentCode
2305470
Title
Peculiarities of the figure of merit temperature dependence in n-Bi 2(Te,Se)3 solid solution at low charge carrier concentration
Author
Konstantinov, P.P. ; Kutasov, V.A.
fYear
1997
fDate
26-29 Aug 1997
Firstpage
105
Lastpage
108
Abstract
A study has been made of the temperature dependence of the thermoelectric properties of n-Bi2(Te,Se)3 solid solutions (x=0.3 and 0.36). An optimal charge carrier concentration in the low temperature range (80-120) K was provided with addition of excess Te. A minimum of the Z=f(T) relation was observed near 120 K; the value of Z is increased when the temperature falls to 80 K. This may be explained by the absence of interband scattering of carriers at the studied carrier concentrations
Keywords
bismuth compounds; carrier density; semiconductor materials; solid solutions; thermoelectricity; 80 to 120 K; Bi2(TeSe)3; carrier concentration; excess Te; figure of merit; solid solution; temperature dependence; thermoelectric properties; Acoustic scattering; Charge carriers; Magneto electrical resistivity imaging technique; Scattering parameters; Solids; Tellurium; Temperature dependence; Temperature distribution; Temperature sensors; Thermoelectricity;
fLanguage
English
Publisher
ieee
Conference_Titel
Thermoelectrics, 1997. Proceedings ICT '97. XVI International Conference on
Conference_Location
Dresden
ISSN
1094-2734
Print_ISBN
0-7803-4057-4
Type
conf
DOI
10.1109/ICT.1997.666985
Filename
666985
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