Ultra-low thermal conductivity of roughened silicon nanowires: Role of phonon-surface bond order imperfection scattering
Yang Heng-Yu1, 2, Chen Ya-Li3, Zhou Wu-Xing1, 2, Xie Guo-Feng1, 2, †, Xu Ning4, 2, ‡
       

Schematic illustration of surface roughness profile of SiNWs, where x is the longitudinal axis of the nanowires.