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A two-dimensional layers of metal (Me) nanocrystals embedded in SiO 2  were produced by pulsed laser deposition of uniformly mixed Si:Me film followed by its furnace oxidation and rapid thermal annealing. The kinetics of the film oxidation and the structural properties of the prepared samples were investigated by Rutherford backscattering spectrometry, and transmission electron microscopy, respectively. The electrical properties of the selected SiO 2 :Me nanocomposite films were evaluated by measuring  C - V  and  I - V  characteristics on a metal-oxide-semiconductor stack. It is found that Me segregation induced by Si:Me mixture oxidation results in the formation of a high density of Me and silicide nanocrystals in thin film SiO 2  matrix. Strong evidence of oxidation temperature as well as impurity type effect on the charge storage in crystalline Me-nanodot layer is demonstrated by the hysteresis behavior of the high-frequency  C - V  curves.

Properties of silicon dioxide layers with embedded metal nanocrystals produced by oxidation of Si:Me mixture