• Aucun résultat trouvé

Excitonic recombination dynamics in non-polar GaN/AlGaN quantum wells

N/A
N/A
Protected

Academic year: 2021

Partager "Excitonic recombination dynamics in non-polar GaN/AlGaN quantum wells"

Copied!
11
0
0

Texte intégral

Loading

Figure

FIG. 1. Sketch of the sample design. Five periods of the quantum well basic building blocks are shown
FIG. 4. Spectral dependence of the three valence band levels at k x 6¼ 0 and k y ¼ k z ¼ 0
FIG. 7. Plot of the photoluminescence energies for the m-plane grown sam- sam-ple for E== ~~y (left-hand side) and E==~~z both polarizations (right-hand side).
Figure 10 illustrates the recombination kinetics of the photoluminescence of the quantum well up to 70 K where a mono-exponential decay is noted.
+2

Références

Documents relatifs

In order to study the differences between the optical properties of polar and nonpolar GaN/AlN QWs, we present in this work numerical calculations of the band structure, confined

The following hypotheses were tested: (1) the main stand is representative of Sudanian zone forests; (2) the calculated radius of tree clumping is independent of plot size; and

In view of the reduction of the surface C content following the KOH treatment (and corresponding increase in the proportion of N-H 2 surface states) of both MBE- and

This point is provided by the lower carriage (Part No. 27) indicated in Fig. 4 about the middle of the bottom support. This lower carriage is made of nylon in order to minimize

4 Graphical summary illustrating how molecular signatures, such as the p53(box-I) motif, co-evolve at the mRNA and protein levels along with interacting partners, such as the MDM2

For highly reactant clients, it is important that the counsellor not threaten too much "free" behaviour, provide a relatively unstructured counselling session, and

The derived lidar parameters (effective height, geometrical and optical thickness and mean back-scattering ratio) and the cirrus mid-height temperature (estimated from the

We have seen, in the previous sections, that the Shack-Hartmann irradiance pattern I admits for Fourier transform a (2K − 1) · (2K − 1) harmonics array modulated by autocorrelation