Development of thermoelectric devices based on n-type PbTe/p-type TAGS-85 ((AgSbTe2)0.15(GeTe)0.85) and n/p-type Si-Ge alloy - R. Basu; S. Bhattacharya; R. Bhatt; K. N. Meshram; A. Singh; D. K. Aswal; S. K. Gupta (Journal of thermoelectricity, 2012)