Abstract

Embedded silver nanoparticles were produced in KTP single crystal by 200keV Ag+ ion implantation at fluence of 5×1016ions/cm2. The shape, size and spatial distribution of the formed silver nanoparticles were revealed by transmission electronic microscope (TEM) images. The embedded sphere silver nanoparticles with average diameters of 9.9nm were along the projected range of Ag+ ions, located at the depth between 35nm and 80nm from the surface. Both the measured and calculated absorption spectra of silver nanoparticles dispersed in KTP crystal indicate that the surface plasmon resonance (SPR) absorption peak was at ∼459nm.

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