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(Color online) (a) RHEED pattern recorded along the  azimuth of the (111) surface after the growth of of InP on . (b) RHEED pattern recorded along the  azimuth of InP after the growth of of InP. The RHEED pattern presents a reconstruction. (c) Evolution of the lattice mismatch between InP and as a function of the growth duration as extracted from the distance between RHEED diffraction lines.
(a) High resolution TEM cross-sectional view of the heterostructure. Inset: image obtained by Fourier transform after selecting the 111 reflections spots showing an interfacial dislocation. (b) Weak beam TEM image of the heterostructure.
(Color online) Room-temperature photoluminescence spectrum of the quantum well.
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