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Phonon scattering is maximized at a rough interface in Bi‐Te core/shell structure nanowires, which is simply controlled by a conventional sputtering technique and temperature. On page 3414, Wooyoung Lee and co‐workers report that rough interface Bi‐Te core/shell nanowires exhibit lower thermal conductivities than those of their smooth interface counterparts, while electrical conductivities for these...
The role of the interface roughness of Bi‐Te core/shell nanowires is reported in reducing lattice thermal conductivity, which are prepared by on‐film formation of nanowire (OFF‐ON) that is capable of growing high‐quality single‐crystalline Bi nanowires, and by the subsequent sputtering of Te onto the Bi nanowires. The rough interface Bi‐Te core/shell nanowires exhibit lower thermal conductivities...
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