Pushing the boundaries of the thermal conductivity of materials
Pushing the boundaries of the thermal conductivity of materials
Pushing the boundaries of the thermal conductivity of materials
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Back to experiment: Can we lower <strong>the</strong><br />
<strong>conductivity</strong> even fur<strong>the</strong>r?<br />
• Syn<strong>the</strong>size misfit<br />
layered compounds by<br />
elemental reactants<br />
method (Johnson and<br />
co-workers)<br />
–WSe2 /PbTe<br />
–MoSe2 /PbTe<br />
• Interface density does<br />
not matter. Conductivity<br />
determined by<br />
composition not<br />
interface density.<br />
Λ (W m -1 K -1 )<br />
0.3<br />
0.1<br />
(2;3)<br />
(1;3)<br />
(1;5)<br />
(1;2)<br />
(2;1)<br />
(2;2)<br />
(3;3)<br />
(1;1)<br />
(4.5;1)<br />
(3;1)<br />
(PbSe) m : (MoSe2 ) n<br />
0.03<br />
0.0 0.2 0.4 0.6 0.8 1.0<br />
PbSe content
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