High-performance lead-free cubic GeTe-based thermoelectric alloy

High-performance lead-free cubic GeTe-based thermoelectric alloy

The ferroelectric phase transition of GeTe thermoelectric materials caused by the 4s2 lone-pair electrons of Ge2+ leads to the sudden change of thermal expansion coefficient, which severely restrains its practical applications. Herein, we demonstrate a successful way to suppress the ferroelectric ph...

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Bibliographic Details
Main Authors: Cai, W. (Author), Cui, B. (Author), Guo, F. (Author), Guo, M. (Author), Liu, M. (Author), Liu, Z. (Author), Sui, J. (Author), Sun, Y. (Author), Zhang, Q. (Author), Zhang, Y. (Author), Zhu, J. (Author), Zhu, Y. (Author)
Format: Article
Language:English
Published: Cell Press 2022
Subjects:
band convergence
charge distribution
GeTe
lattice softening
phase transition
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