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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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Detalhes bibliográficos
Publicado no:Sci Adv
Main Authors: Ding, Jingxuan, Lanigan-Atkins, Tyson, Calderón-Cueva, Mario, Banerjee, Arnab, Abernathy, Douglas L., Said, Ayman, Zevalkink, Alexandra, Delaire, Olivier
Formato: Artigo
Idioma:Inglês
Publicado em: American Association for the Advancement of Science 2021
Assuntos:
Acesso em linha: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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