Thermostatistical properties of a q-deformed bosonic exciton gas |
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Authors: | Q J Zeng Z Cheng J -H Yuan |
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Institution: | (1) Department of Physics and Astronomy, Clemson University, Clemson, SC 29634, USA; |
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Abstract: | We present the calculations of the electronic structure
and transport properties on the filled-skutterudites
LaFe4Sb12 and CeFe4Sb12 using the
full-potential linearized augmented plane-wave method and the semi-classical
Boltzmann theory. Our calculation indicates that LaFe4Sb12 and
CeFe4Sb12 have the large density of states near the Fermi
level. The obtained Seebeck coefficient and the magnetic susceptibilities
are in good agreement with experimental results. It is found that n-type
doping in the CeFe4Sb12 compound may be more favorable than
p-type doping below 900 K and p-type doping in the CeFe4Sb12
compound may be more favorable than n-type doping above 900 K. It is also seen
that n-type doping in the LaFe4Sb12 compound may be more
favorable than p-type doping below 700 K and p-type doping in the
LaFe4Sb12 compound may be more favorable than n-type doping
above 700 K. Ultimately, we found that LaFe4Sb12 is more
suitable for thermoelectric applications than CeFe4Sb12. |
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Keywords: | |
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