Figure 4.

a Raman spectrum of bulk GaSb. b Raman spectra of GaSb nanofibers formed by 30 keV Ga+ ion irradiation. Included are spectra for: (1) unannealed nanofibers; (2) 350°C annealed nanofibers; (3) 250°C annealed nanofibers. c Raman spectra of GaSb nanofibers formed by 150 keV Kr+ ion irradiation.

Zhou et al. Nanoscale Res Lett 2011 6:6   doi:10.1007/s11671-010-9739-2