Influence of surface reconstructions on the shape of InAs quantum dots grown on InP(001)

E Dupuy,N Pauc,D Morris,P Regreny,C Bru-Chevallier,D Drouin,G Patriarche,N Chauvin,M Gendry,V Aimez,Y Robach,G Xu

doi:10.1109/iciprm.2008.4702986

Influence of surface reconstructions on the shape of InAs quantum dots grown on InP(001)

E Dupuy, N Pauc + Show 10 more

https://doi.org/10.1109/iciprm.2008.4702986

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Publication Date: May 1, 2008

Citations: 8

Affiliation: Institut des Nanotechnologies de Lyon, French National Centre for Scientific Research, École Centrale de Lyon, Université de Sherbrooke, Institut National des Sciences Appliquées de Lyon

#Shape Of InAs Quantum Dots #Influence Of Surface Reconstructions + Show 8 more

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Abstract

Growth mechanisms controlling the shape of InAs quantum dots grown by solid source MBE on InP(001) are studied. InAs surface reconstructions play an important role to get more isotropic quantum dots rather than elongated quantum dashes. Dash to dot shape transition is also demonstrated with postgrowth treatments that change InAs surface reconstructions. Properties of such single InAs/InP quantum dots on low density samples are finally evaluated with microphotoluminescence and cathodoluminescence studies.

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