Soft anharmonic phonons and ultralow thermal conductivity in Mg(3)(Sb, Bi)(2) thermoelectrics

The candidate thermoelectric compounds Mg(3)Sb(2) and Mg(3)Bi(2) show excellent performance near ambient temperature, enabled by an anomalously low lattice thermal conductivity (κ(l)) comparable to those of much heavier PbTe or Bi(2)Te(3). Contrary to common mass-trend expectations, replacing Mg wit...

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Foilsithe in:Sci Adv
Main Authors: Ding, Jingxuan, Lanigan-Atkins, Tyson, Calderón-Cueva, Mario, Banerjee, Arnab, Abernathy, Douglas L., Said, Ayman, Zevalkink, Alexandra, Delaire, Olivier
Formáid: Artigo
Teanga:Inglês
Foilsithe: American Association for the Advancement of Science 2021
Ábhair:
Research Articles
Rochtain Ar Líne:https://ncbi.nlm.nih.gov/pmc/articles/PMC8139592/
https://ncbi.nlm.nih.gov/pubmed/34020958
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1126/sciadv.abg1449
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