Abstract
The thermoelectric properties of layered compounds and solid solutions in the Sb2Te3–PbTe–Bi2Te3 system have been studied in a wide temperature range. The quaternary compounds and multicomponent solid solutions in this system have been shown to have a very low lattice thermal conductivity. The electrical conductivity of all the materials decreases with increasing temperature. All of the materials have been shown to be n-type. The layered compounds and multicomponent solid solutions have high thermoelectric efficiency, which makes them promising n-type thermoelectric materials.
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