Abstract

A large ZT of 1.89 is obtained in GeTe with Ti/Bi co-doping and Ge self-doping on cation sites. Doping of 1.5 mol% Ti can enhance the effective mass and quality factor B. The Ge-excess method has a better modulation effect than the Ge-deficient method.

Full Text
Published version (Free)

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call