Figure 4
From: Spectroscopic study of Gd nanostructures quantum confined in Fe corrals
The step-by-step evolution of spectroscopy.
(a) STM images of the 8.5-nm open Fe corral with 0, 1, 2 and 3 Gd adatoms trapped inside. The image sizes are 15 × 15 nm2. (b) The evolution of the STS at the center of the corral during the trapping of Gd adatoms.
