Ferromagnetic GaAs/GaMnAs Core−Shell Nanowires Grown by Molecular Beam Epitaxy
GaAs/GaMnAs core−shell nanowires were grown by molecular beam epitaxy. The core GaAs nanowires were synthesized under typical nanowire growth conditions using gold as catalyst. For the GaMnAs shell the temperature was drastically reduced to achieve low-temperature growth conditions known to be cruci...
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| Veröffentlicht in: | Nano letters 2009-11, Vol.9 (11), p.3860-3866 |
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| container_end_page | 3866 |
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| container_issue | 11 |
| container_start_page | 3860 |
| container_title | Nano letters |
| container_volume | 9 |
| creator | Rudolph, Andreas Soda, Marcello Kiessling, Matthias Wojtowicz, Tomasz Schuh, Dieter Wegscheider, Werner Zweck, Josef Back, Christian Reiger, Elisabeth |
| description | GaAs/GaMnAs core−shell nanowires were grown by molecular beam epitaxy. The core GaAs nanowires were synthesized under typical nanowire growth conditions using gold as catalyst. For the GaMnAs shell the temperature was drastically reduced to achieve low-temperature growth conditions known to be crucial for high-quality GaMnAs. The GaMnAs shell grows epitaxially on the side facets of the core GaAs nanowires. A ferromagnetic transition temperature of 20 K is obtained. Magnetic anisotropy studies indicate a magnetic easy axis parallel to the nanowire axis. |
| doi_str_mv | 10.1021/nl9020717 |
| format | Article |
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The core GaAs nanowires were synthesized under typical nanowire growth conditions using gold as catalyst. For the GaMnAs shell the temperature was drastically reduced to achieve low-temperature growth conditions known to be crucial for high-quality GaMnAs. The GaMnAs shell grows epitaxially on the side facets of the core GaAs nanowires. A ferromagnetic transition temperature of 20 K is obtained. Magnetic anisotropy studies indicate a magnetic easy axis parallel to the nanowire axis.</description><identifier>ISSN: 1530-6984</identifier><identifier>EISSN: 1530-6992</identifier><identifier>DOI: 10.1021/nl9020717</identifier><identifier>PMID: 19731920</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Catalytic methods ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Magnetic properties and materials ; Materials science ; Methods of nanofabrication ; Nanocrystalline materials ; Nanoscale materials and structures: fabrication and characterization ; Physics ; Quantum wires ; Small particles and nanoscale materials ; Studies of specific magnetic materials</subject><ispartof>Nano letters, 2009-11, Vol.9 (11), p.3860-3866</ispartof><rights>Copyright © 2009 American Chemical Society</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a445t-116f434266f7fb6d2c7365e58bf9bf35214151d9808dc51f309aa4199dadd7ba3</citedby><cites>FETCH-LOGICAL-a445t-116f434266f7fb6d2c7365e58bf9bf35214151d9808dc51f309aa4199dadd7ba3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/nl9020717$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/nl9020717$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,776,780,2752,27053,27901,27902,56713,56763</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22113934$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19731920$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Rudolph, Andreas</creatorcontrib><creatorcontrib>Soda, Marcello</creatorcontrib><creatorcontrib>Kiessling, Matthias</creatorcontrib><creatorcontrib>Wojtowicz, Tomasz</creatorcontrib><creatorcontrib>Schuh, Dieter</creatorcontrib><creatorcontrib>Wegscheider, Werner</creatorcontrib><creatorcontrib>Zweck, Josef</creatorcontrib><creatorcontrib>Back, Christian</creatorcontrib><creatorcontrib>Reiger, Elisabeth</creatorcontrib><title>Ferromagnetic GaAs/GaMnAs Core−Shell Nanowires Grown by Molecular Beam Epitaxy</title><title>Nano letters</title><addtitle>Nano Lett</addtitle><description>GaAs/GaMnAs core−shell nanowires were grown by molecular beam epitaxy. The core GaAs nanowires were synthesized under typical nanowire growth conditions using gold as catalyst. For the GaMnAs shell the temperature was drastically reduced to achieve low-temperature growth conditions known to be crucial for high-quality GaMnAs. The GaMnAs shell grows epitaxially on the side facets of the core GaAs nanowires. A ferromagnetic transition temperature of 20 K is obtained. 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The core GaAs nanowires were synthesized under typical nanowire growth conditions using gold as catalyst. For the GaMnAs shell the temperature was drastically reduced to achieve low-temperature growth conditions known to be crucial for high-quality GaMnAs. The GaMnAs shell grows epitaxially on the side facets of the core GaAs nanowires. A ferromagnetic transition temperature of 20 K is obtained. Magnetic anisotropy studies indicate a magnetic easy axis parallel to the nanowire axis.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>19731920</pmid><doi>10.1021/nl9020717</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| source | ACS Publications |
| subjects | Catalytic methods Condensed matter: electronic structure, electrical, magnetic, and optical properties Cross-disciplinary physics: materials science rheology Exact sciences and technology Magnetic properties and materials Materials science Methods of nanofabrication Nanocrystalline materials Nanoscale materials and structures: fabrication and characterization Physics Quantum wires Small particles and nanoscale materials Studies of specific magnetic materials |
| title | Ferromagnetic GaAs/GaMnAs Core−Shell Nanowires Grown by Molecular Beam Epitaxy |
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