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Magneto-photoluminescence of heavy- and light-hole excitons in site-controlled pyramidal quantum dots
Ecole Polytechnique Fédérale de Lausanne .
Ecole Polytechnique Fédérale de Lausanne .
Ecole Polytechnique Fédérale de Lausanne .ORCID iD: 0000-0002-4547-6673
Ecole Polytechnique Fédérale de Lausanne .
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2008 (English)In: Physica. E, Low-Dimensional systems and nanostructures, ISSN 1386-9477, E-ISSN 1873-1759, Vol. 40, no 6, p. 1873-1875Article in journal (Refereed) Published
Abstract [en]

Pyramidal, site-controlled InGaAs/AlGaAs quantum dots (QDs) are studied by micro-photoluminescence (PL) spectroscopy in a magnetic field. The light-hole (LH) excitonic transitions exhibit diamagnetic shifts similar to those of their heavy-hole (HH) counterparts. From the evolution of the excitonic lines, effective g-factors of g=1.7 and 0.4 for HH and LH neutral excitons are inferred
Place, publisher, year, edition, pages
2008. Vol. 40, no 6, p. 1873-1875
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Natural Sciences
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URN: urn:nbn:se:liu:diva-44045DOI: 10.1016/j.physe.2007.08.047Local ID: 75480OAI: oai:DiVA.org:liu-44045DiVA, id: diva2:264906
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2017-12-13

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Karlsson, Fredrik

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