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Shape and spatial correlation control of InAs-InAlAs-InP (001) nanostructure superlattices

Lei, W.; Chen, Y. H.; Jin, P.; Ye, X. L.; Wang, Y. L.; Xu, B.; Wang, Z. G.


The control of shape and spatial correlation of InAs-InAlAs-InP(001) nanostructuresuperlattices has been realized by changing the As overpressure during the molecular-beam epitaxy (MBE) growth of InAs layers. InAs quantum wires (QWRs) are obtained under higher As overpressure (1×10⁻⁵Torr), while elongated InAsquantum dots(QDs) are formed under lower As overpressure (5×10⁻⁶ or 2.5×10⁻⁶Torr). Correspondingly, spatial correlation changes from vertical anti-correlation in QWR superlattices to...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: Applied Physics Letters
DOI: 10.1063/1.2172288


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