Diffusion of excitons

Time-resolved CL analysis of diffusion of excitons in a strained ZnO micro belt: time-resolved spectra from 3 different excitations zones along the diameter of the belt.

These measurements allowed to set up and verify a strain induced diffusion model.

(ACS Nano, 8, 3412-3420 (2014))


Fundamental of GaN physics

CL intensity an effective lifetime change around a single dislocation on a GaN sample.

(Applied Physics Letters, 109, 112, 042101 (2016))

Microrods InGaN/GaN

Time-resolved CL decays and CL maps of single InGaN/GaN core-shell microrods.

(Applied Physics Letters, 17 (11), 112, 052106 (2018))