What does this research mean for the field?

Strain modulation induces an asymmetric phonon-drag effect that significantly impacts the thermoelectric performance of PbTe. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This research aims to explore the impact of the phonon-drag effect on the thermoelectric performance of PbTe under varying strain conditions.

June 1, 2026Journal of Materials Chemistry C0 citations

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Asymmetric phonon-drag effect and thermoelectric performance in PbTe under strain modulation

YLYao Liu YZYu-Jia Zeng WZWu‐Xing ZhouHunan University of Science and Technology

Key Points

This research aims to explore the impact of the phonon-drag effect on the thermoelectric performance of PbTe under varying strain conditions.
Investigated the interplay of electrical and thermal transport in PbTe under strain modulation.
Measured thermoelectric performance metrics across different strain levels.
Observed a significant enhancement in thermoelectric performance linked to the strain-induced phonon-drag effect.
Characterized the asymmetry in phonon response, leading to optimized electrical and thermal transport properties.

Abstract

The intricate interplay between electrical and thermal transport in thermoelectric materials has long garnered significant theoretical interest. Despite long-standing theoretical interest in thermoelectric materials, conventional approaches neglect phonon-drag effect and...

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Asymmetric phonon-drag effect and thermoelectric performance in PbTe under strain modulation

Key Points

Abstract

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