Demonstrates enhanced thermoelectric performance in low-symmetry chalcogenides, implying better materials for energy conversion.
of 0.64 at 723 K, a 13-fold enhancement over pristine GeSe. This work identifies metavalent alloying coupled with vacancy engineering as an effective and general pathway for stabilizing high-symmetry cubic phase and enhancing thermoelectric performance in low-symmetry chalcogenides.
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Ye et al. (2026) studied this question.
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