Tuning Hole Mobility In Inp Nanowires
APPLIED PHYSICS LETTERS(2012)
摘要
Transport properties of holes in InP nanowires (NWs) were calculated considering electron-phonon interaction via deformation potentials, the effect of temperature, and strain fields. Using molecular dynamics, we simulate NW structures, the longitudinal optical phonon (LO-phonon) energy renomalization, and lifetime. The valence band ground state changes between light-and heavy-hole character, as the strain fields and the NW size vary. Drastic changes in the mobility arise with the onset of resonance between the LO-phonons and the separation between valence subbands. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4764902]
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关键词
hole mobility
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