Unraveling Heat Transport and Dissipation in Suspended MoSe2 from Bulk to Monolayer (Adv. Mater. 10/2022)

Thin Films When thinning down silicon films toward nanometer thickness, their thermal conductivity decreases dramatically. In article number 2108352, Klaas‐Jan Tielrooij and co‐workers report a combined experimental–theoretical study that shows that this is not the case for the layered semiconductor...

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Veröffentlicht in:Advanced materials (Weinheim) 2022-03, Vol.34 (10), p.n/a
Hauptverfasser: Saleta Reig, David, Varghese, Sebin, Farris, Roberta, Block, Alexander, Mehew, Jake D., Hellman, Olle, Woźniak, Paweł, Sledzinska, Marianna, El Sachat, Alexandros, Chávez‐Ángel, Emigdio, Valenzuela, Sergio O., van Hulst, Niek F., Ordejón, Pablo, Zanolli, Zeila, Sotomayor Torres, Clivia M., Verstraete, Matthieu J., Tielrooij, Klaas‐Jan
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Sprache:eng
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Zusammenfassung:Thin Films When thinning down silicon films toward nanometer thickness, their thermal conductivity decreases dramatically. In article number 2108352, Klaas‐Jan Tielrooij and co‐workers report a combined experimental–theoretical study that shows that this is not the case for the layered semiconductor MoSe2. For the thinnest MoSe2 films, the decreasing thermal conductivity is compensated by low‐energy, long‐mean‐free‐path heat‐carrying modes. These thin films furthermore exhibit efficient heat dissipation to air molecules.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.202270078