Direct Observation of Suppressed Optical–Acoustic Phonon Energy Coupling in Supported SWCNT at Cryogenic Temperatures

Abstract Nonequilibrium among phonon branches critically influences nanoscale heat transport yet remains largely unexplored in one‐dimensional (1D) systems, particularly at cryogenic temperatures. This work reports the first experimental quantification of optical–acoustic phonon coupling factor (GOA...

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Bibliographic Details

Main Authors:	Ibrahim Al Keyyam, Yu Hua, Baini Li, Tianyu Wang, Cheng Deng, Xinwei Wang
Format:	Artigo
Language:	Inglês
Published:	Wiley 2025-10-01
Series:	Advanced Science
Subjects:	cryogenic phonon energy coupling equivalent interfacial medium (EIM) FET‐Raman intrinsic interfacial thermal conductance nanoscale 1D material phonon nonequilibrium
Online Access:	https://doi.org/10.1002/advs.202509005
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