Observation of second sound in graphite over 200 K

Observation of second sound in graphite over 200 K

Abstract Second sound refers to the phenomenon of heat propagation as temperature waves in the phonon hydrodynamic transport regime. We directly observe second sound in graphite at temperatures of over 200 K using a sub-picosecond transient grating technique. The experimentally determined dispersi...

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Bibliographic Details
Main Authors: Ding, Zhiwei, Chen, Ke, Song, Bai, Shin, Jungwoo, Maznev, Alexei A., Nelson, Keith A., Chen, Gang
Other Authors: Massachusetts Institute of Technology. Research Laboratory of Electronics
Format: Article
Published: Springer Science and Business Media LLC 2022
Online Access:https://hdl.handle.net/1721.1/139630

Internet

https://hdl.handle.net/1721.1/139630

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