Direct Measurement of Room-Temperature Nondiffusive Thermal Transport Over Micron Distances in a Silicon Membrane

The “textbook” phonon mean free path of heat carrying phonons in silicon at room temperature is ∼40  nm. However, a large contribution to the thermal conductivity comes from low-frequency phonons with much longer mean free paths. We present a simple experiment demonstrating that room-temperature the...

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Bibliographic Details
Main Authors: Johnson, Jeremiah A., Maznev, Alexei, Eliason, Jeffrey Kristian, Nelson, Keith Adam, Cuffe, John, Minnich, Austin Jerome, Kehoe, Timothy, Torres, Clivia M. Sotomayor, Chen, Gang
Other Authors: Massachusetts Institute of Technology. Department of Chemistry
Format: Article
Language:en_US
Published: American Physical Society 2013
Online Access:http://hdl.handle.net/1721.1/77165
https://orcid.org/0000-0002-3968-8530
https://orcid.org/0000-0001-7804-5418
https://orcid.org/0000-0001-9157-6491