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Effect of growth temperature of the confinement layer on cathodoluminescence properties of GaSb/GaAs quantum dot multilayer structures

Krystyna Drozdowicz-Tomsia*, Ewa M. Goldys, Motlan

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

    Abstract

    Multilayer GaSb/GaAs quantum dot (QD) structures grown by atmospheric pressure metalorganic chemical deposition (MOCVD) on semi-insulating (SI) GaAs (100) substrates with varying growth temperature of the confinement layers are studied by the cathodoluminescence (CL). Two main features assigned to wetting layer (WL) and quantum dots (QD) are observed in the CL spectra. Their relative positions strongly depend on the growth conditions of the confinement layers.

    Original languageEnglish
    Title of host publication2004 Conference on Optoelectronic and Microelectronic Materials and Devices, COMMAD04
    Subtitle of host publicationProceedings
    EditorsAleksandar D. Rakic, Yew Tong Yeow
    Place of PublicationPiscataway, NJ
    PublisherInstitute of Electrical and Electronics Engineers (IEEE)
    Pages5-8
    Number of pages4
    ISBN (Print)0780388208
    DOIs
    Publication statusPublished - 2005
    EventCOMMAD04 - 2004 Conference on Optoelectronic and Microelectronic Materials and Devices - Bribane, QLD, Australia
    Duration: 8 Dec 200410 Dec 2004

    Other

    OtherCOMMAD04 - 2004 Conference on Optoelectronic and Microelectronic Materials and Devices
    Country/TerritoryAustralia
    CityBribane, QLD
    Period8/12/0410/12/04

    Keywords

    • AFM
    • Cathodoluminescence
    • GaSb
    • MOCVD growth
    • Quantum dot
    • Wetting layer

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