e optical phonon velocity roughly equal to acoustic

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Unformatted text preview: much greater than acoustic phonon velocity and optical phonon energy much less than acoustic phonon energy.. d) Optical phonon velocity much greater than acoustic phonon velocity and optical phonon energy much greater than acoustic phonon energy.. e) Optical phonon velocity roughly equal to acoustic phonon velocity and optical phonon energy roughly equal to acoustic phonon energy.. 3) Which phonons are most responsi...
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This document was uploaded on 01/15/2014.

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