What question did this study set out to answer?

The aim is to explore how minimizing twin structures affects the thermoelectric performance of n-type Bi2Te3 thin films.

May 9, 2026Nature Communications1 citationsOpen Access

Minimal twin structures enabling extraordinary thermoelectric power factor of n-type Bi2Te3 thin films

HGHaoran GeWuhan University of Technology RCRui ChengWuhan University of Technology WLWei LiuQingdao University

Key Points

The aim is to explore how minimizing twin structures affects the thermoelectric performance of n-type Bi2Te3 thin films.
Investigated the influence of twin structures on carrier mobility and bipolar conduction.
Analyzed thermoelectric power factors in n-type Bi2Te3 thin films with minimized twin structures.
Significantly increased carrier mobility observed when twin structures are minimized.
Reduction of bipolar conduction contributes to a higher thermoelectric power factor.

Abstract

. These findings highlight the critical role of minimizing twin structures in boosting the carrier mobility and mitigating bipolar conduction, thereby providing an effective route toward high-performance thermoelectric thin films.

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Cite This Study

Ge et al. (Wed,) studied this question.

synapsesocial.com/papers/69fecf16b9154b0b82876368 https://doi.org/https://doi.org/10.1038/s41467-026-72621-3

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