Spatial fluctuations of optical emission from single ZnO/MgZnO nanowire quantum wells
MgZnO/ZnO quantum wells on top of ZnO nanowires were grown by pulsed laser deposition. Ensembles of spatially fluctuating and narrow cathodoluminescence peaks with single widths down to 1 meV were found at the spectral position of the quantum well emission at 4 K. In addition, the number of these na...
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| Veröffentlicht in: | Nanotechnology 2008-03, Vol.19 (11), p.115202-115202 (6) |
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| container_end_page | 115202 (6) |
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| container_issue | 11 |
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| container_title | Nanotechnology |
| container_volume | 19 |
| creator | Czekalla, C Guinard, J Hanisch, C Cao, B Q Kaidashev, E M Boukos, N Travlos, A Renard, J Gayral, B Le Si Dang, D Lorenz, M Grundmann, M |
| description | MgZnO/ZnO quantum wells on top of ZnO nanowires were grown by pulsed laser deposition. Ensembles of spatially fluctuating and narrow cathodoluminescence peaks with single widths down to 1 meV were found at the spectral position of the quantum well emission at 4 K. In addition, the number of these narrow QW peaks increases with increasing excitation power in micro-photoluminescence, thus pointing to quantum-dot-like emission centers. Indeed, laterally strained areas of about 5 nm diameter were identified at the quantum well positions on top of the nanowires by high-resolution transmission electron microscopy. |
| doi_str_mv | 10.1088/0957-4484/19/11/115202 |
| format | Article |
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Ensembles of spatially fluctuating and narrow cathodoluminescence peaks with single widths down to 1 meV were found at the spectral position of the quantum well emission at 4 K. In addition, the number of these narrow QW peaks increases with increasing excitation power in micro-photoluminescence, thus pointing to quantum-dot-like emission centers. Indeed, laterally strained areas of about 5 nm diameter were identified at the quantum well positions on top of the nanowires by high-resolution transmission electron microscopy.</description><identifier>ISSN: 0957-4484</identifier><identifier>EISSN: 1361-6528</identifier><identifier>DOI: 10.1088/0957-4484/19/11/115202</identifier><identifier>PMID: 21730549</identifier><language>eng</language><publisher>England: IOP Publishing</publisher><subject>Condensed Matter ; Other ; Physics</subject><ispartof>Nanotechnology, 2008-03, Vol.19 (11), p.115202-115202 (6)</ispartof><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c455t-673255b88b1638517f032706aae4d6d218714f0b10e0d7b4f6ef14970327598d3</citedby><cites>FETCH-LOGICAL-c455t-673255b88b1638517f032706aae4d6d218714f0b10e0d7b4f6ef14970327598d3</cites><orcidid>0000-0002-3724-1380 ; 0000-0003-0883-9276</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.1088/0957-4484/19/11/115202/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>230,314,780,784,885,27924,27925,53830,53910</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21730549$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.science/hal-00263940$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Czekalla, C</creatorcontrib><creatorcontrib>Guinard, J</creatorcontrib><creatorcontrib>Hanisch, C</creatorcontrib><creatorcontrib>Cao, B Q</creatorcontrib><creatorcontrib>Kaidashev, E M</creatorcontrib><creatorcontrib>Boukos, N</creatorcontrib><creatorcontrib>Travlos, A</creatorcontrib><creatorcontrib>Renard, J</creatorcontrib><creatorcontrib>Gayral, B</creatorcontrib><creatorcontrib>Le Si Dang, D</creatorcontrib><creatorcontrib>Lorenz, M</creatorcontrib><creatorcontrib>Grundmann, M</creatorcontrib><title>Spatial fluctuations of optical emission from single ZnO/MgZnO nanowire quantum wells</title><title>Nanotechnology</title><addtitle>Nanotechnology</addtitle><description>MgZnO/ZnO quantum wells on top of ZnO nanowires were grown by pulsed laser deposition. 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Ensembles of spatially fluctuating and narrow cathodoluminescence peaks with single widths down to 1 meV were found at the spectral position of the quantum well emission at 4 K. In addition, the number of these narrow QW peaks increases with increasing excitation power in micro-photoluminescence, thus pointing to quantum-dot-like emission centers. Indeed, laterally strained areas of about 5 nm diameter were identified at the quantum well positions on top of the nanowires by high-resolution transmission electron microscopy.</abstract><cop>England</cop><pub>IOP Publishing</pub><pmid>21730549</pmid><doi>10.1088/0957-4484/19/11/115202</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0002-3724-1380</orcidid><orcidid>https://orcid.org/0000-0003-0883-9276</orcidid></addata></record> |
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| source | Institute of Physics Journals |
| subjects | Condensed Matter Other Physics |
| title | Spatial fluctuations of optical emission from single ZnO/MgZnO nanowire quantum wells |
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