Fig. 1: Nanotwin architecture and ultra-high valley degeneracy leads to high thermoelectric performance and mechanical properties. | Nature Communications

Fig. 1: Nanotwin architecture and ultra-high valley degeneracy leads to high thermoelectric performance and mechanical properties.

From: Nanotwin architecture and ultra-high valley degeneracy lead to high thermoelectric performance in GeTe-based thermoelectric materials

Fig. 1: Nanotwin architecture and ultra-high valley degeneracy leads to high thermoelectric performance and mechanical properties.

a Modulation mechanism of nanotwins, ordered vacancy arrays, and point defects on phonon transport. b CuBiS2 alloying leads to band alignment and ultra-high valley degeneracy (Nv) of 22. c Comparison of thermoelectric performance and mechanical properties between pristine GeTe and (GeTe)0.93(CuBiS2)0.07 sample.

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