Probing Phonons in Nonpolar Semiconducting Nanowires with Raman Spectroscopy
Figure 5
(a) Optical phonon dispersion of Si with the first order Raman scattering phonon frequencies extend throughout . Raman active wavevectors of a nanowire with diameter lie within . (b) Schematic of nanowire of diameter () and length and the confined phonon wave function, .
