Research on Electron-Acoustic Phonon Interaction Engineering in Nanoscale Structures.

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In most of the electronic devices under room temperature operation, device performance is strongly influenced by the electron scattering due to acoustic phonons (thermally-generated elastic waves in solids). Recent devices are inherently nanoscale composite structures of materials with different elastic properties, so that the acoustic phonons are different from those in bulk materials. In this work, we investigated the impact of such acoustic phonon modulation on electron-acoustic phonon scattering.