DAFS - Universidad de Zaragoza
DAFS - Universidad de Zaragoza
DAFS - Universidad de Zaragoza
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Local structure study of InAs/InP QWrs<br />
Quantum size effect : materials for opto-electronic<br />
(lasers 1.5µm)<br />
Stranski-Krastanow growth (strain release via a 2D-3D<br />
growth transition)<br />
Self-organized 2D growth driven by anisotropic strain at<br />
interface<br />
Physical properties<br />
•strain<br />
•composition<br />
•interface<br />
Growth mechanism control<br />
InAs/InP QWrs<br />
ε≅-3,3%<br />
2,2 ML éq.<br />
λ≅24nm<br />
1MLInAs = 3Å<br />
Fils : [1-10]<br />
[110]<br />
-<br />
[110]<br />
AFM<br />
19/50
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