Phonon lifetimes in silicon from 50 GHz to 15 THz - University of ...
Phonon lifetimes in silicon from 50 GHz to 15 THz - University of ...
Phonon lifetimes in silicon from 50 GHz to 15 THz - University of ...
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One and two round trips <strong>in</strong> <strong>50</strong> μm Si wafer<br />
Double-side polish th<strong>in</strong> Si wafer<br />
its)<br />
ΔR<br />
(Arbitr rary Un<br />
100K<br />
{ }<br />
{<br />
1<strong>50</strong>K<br />
200K<br />
× 2<br />
2<strong>50</strong>K × 2<br />
× 2 × 2<br />
Al film transducer<br />
{} 300K 12.22 12.3<br />
12.4<br />
24.6<br />
24.7<br />
24.8<br />
Delay Time (ns)
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