Ultrahigh Thermoelectric Performance in Mosaic Crystals.
basic_science · Level V
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- Record sourced from PubMed, PMID 25962487.
- Also identified by DOI 10.1002/adma.201501030.
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Abstract
Successful research strategies to enhance the dimensionless figure of merit zT above 2 rely on either bulk nanomaterials or on single crystals. A new physical mechanism of nanoscale mosaicity is shown that goes beyond the approaches in single crystals or conventional nanomaterials. A zT value of 2.1 at 1000 K in bulk nanomaterials is achieved.