Production of Ⅲ-Ⅴ Nanocrystals by Picosecond Pulsed Laser Ablation

摘要

InAs nanoparticles have been produced by picosecond pulsed laser ablation of bulk targets in the presence of an inert backing gas. Atomic force microscopy measurements show particles ranging in size from one to ten nm. Stoichiometry of the targets, determined by Rutherford backscattering measurements, are typically preserved within ten percent. Optical absorption and raman scattering data help confirm the crystalline, quantum confined nature of the nanoparticles.