Figure 1

Schematic cross-section diagram of the epitaxial structure for samples I, II, and III, respectively.
The dactive and dwell are fixed to 56.2 nm and 4 nm, respectively, while the Nw increases with decreasing the dbarrier.

Schematic cross-section diagram of the epitaxial structure for samples I, II, and III, respectively.
The dactive and dwell are fixed to 56.2 nm and 4 nm, respectively, while the Nw increases with decreasing the dbarrier.