1 article(s) from Hameau, Sophie
Figure 1: (a–d) Fabrication steps to obtain the 4H-SiC micropillars. (e–h) Optical microscopy and SEM images ...
Figure 2: (a–c) Room-temperature PL spectra of the pillars and the gap area (lower dashed curves) for samples...
Figure 3: PL emission of sample 3 after excitation at 940 nm at 12 K, showing ZPL emissions at 1221, 1223, an...
Figure 4: General schematics of the confocal systems used for imaging, spectroscopy and lifetime measurements...
Figure 5: Confocal image and zoom image of a 10 × 10 µm2 VSi fluorescent micropillar array excited by a 730 n...
Figure 6: Confocal image and zoom image of a 10 × 10 µm2 NCVSi fluorescent micropillars array excited by a 98...
Figure 7: (a) Photostability of one micropillar and the gap region for samples 1 (top) and 4 (bottom) at exci...
Figure 8: Finite-element method simulation for a pillar of 4.3 µm height and a dipole orientation 8° off the c...