Table 2 Ion implanted distribution in sapphire: Peak of depth under the substrate surface (RP) and their FWHM.

From: Superlinear Photoluminescence by Ultrafast Laser Pulses in Dielectric Matrices with Metal Nanoclusters

Implanted Ions

Sapphire Matrix

RP (nm)

FWHM (nm)

Pt

335

186

Au

329

187

Ag

520

251