Intrinsic to extrinsic phonon lifetime transition in a GaAs-AlAs superlattice.

Intrinsic to extrinsic phonon lifetime transition in a GaAs-AlAs superlattice.

We have measured the lifetimes of two zone-center longitudinal acoustic phonon modes, at 320 and 640 GHz, in a 14 nm GaAs/2 nm AlAs superlattice structure. By comparing measurements at 296 and 79 K we separate the intrinsic contribution to phonon lifetime determined by phonon-phonon scattering from...

书目详细资料
Main Authors:	Hofmann, F, Garg, J, Maznev, A, Jandl, A, Bulsara, M, Fitzgerald, E, Chen, G, Nelson, K
格式:	Journal article
语言:	English
出版:	2013

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