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Ordered quantum-ring chains grown on a quantum-dot superlattice template

Wu, J; Wang, ZM; Holmes, K; Marega, E; Mazur, YI; Salamo, GJ; (2012) Ordered quantum-ring chains grown on a quantum-dot superlattice template. JOURNAL OF NANOPARTICLE RESEARCH , 14 (6) 10.1007/s11051-012-0919-0.

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Abstract

One-dimensional ordered quantum-ring chains are fabricated on a quantum-dot superlattice template by molecular beam epitaxy. The quantum-dot superlattice template is prepared by stacking multiple quantum-dot layers and quantum-ring chains are formed by partially capping quantum dots. Partially capping InAs quantum dots with a thin layer of GaAs introduces a morphological change from quantum dots to quantum rings. The lateral ordering is introduced by engineering the strain field of a multilayer InGaAs quantum-dot superlattice.

Type: Article
Title: Ordered quantum-ring chains grown on a quantum-dot superlattice template
DOI: 10.1007/s11051-012-0919-0
Additional information: article-number: 919 researcherid-numbers: Marega Junior, Euclydes/D-5250-2012 Optica e fotonica, Inct/I-2419-2013 unique-id: ISI:000305328900029
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: http://discovery.ucl.ac.uk/id/eprint/1547993
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