Memory effect on CdSe nanocrystals embedded in SiO2 matrix

CdSe nanocrystals (NCs) embedded in a solid SiO2 matrix were fabricated by RF-sputtering technique. Raman and photoluminescence spectroscopy illustrated the NCs size dependent confinement effect. The CdSe NCs charging effects were electrically characterized by means of capacitance–voltage measurements. A memory effect was demonstrated through memory window measurements.