Optimized cobalt nanowires for domain wall manipulation imaged by in situ Lorentz microscopy
Direct observation of domain wall (DW) nucleation and propagation in focused electron beam induced deposited Co nanowires as a function of their dimensions was carried out by Lorentz microscopy (LTEM) upon in situ application of magnetic field. Optimal dimensions favoring the unambiguous DW nucleati...
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| Veröffentlicht in: | Applied physics letters 2013-01, Vol.102 (2) |
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| container_title | Applied physics letters |
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| creator | Rodríguez, L. A. Magén, C. Snoeck, E. Serrano-Ramón, L. Gatel, C. Córdoba, R. Martínez-Vecino, E. Torres, L. De Teresa, J. M. Ibarra, M. R. |
| description | Direct observation of domain wall (DW) nucleation and propagation in focused electron beam induced deposited Co nanowires as a function of their dimensions was carried out by Lorentz microscopy (LTEM) upon in situ application of magnetic field. Optimal dimensions favoring the unambiguous DW nucleation/propagation required for applications were found in 500-nm-wide and 13-nm-thick Co nanowires, with a maximum nucleation field and the largest gap between nucleation and propagation fields. The internal DW structures were resolved using the transport-of-intensity equation formalism in LTEM images and showed that the optimal nanowire dimensions correspond to the crossover between the nucleation of transverse and vortex walls. |
| doi_str_mv | 10.1063/1.4776709 |
| format | Article |
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A. ; Magén, C. ; Snoeck, E. ; Serrano-Ramón, L. ; Gatel, C. ; Córdoba, R. ; Martínez-Vecino, E. ; Torres, L. ; De Teresa, J. M. ; Ibarra, M. R.</creator><creatorcontrib>Rodríguez, L. A. ; Magén, C. ; Snoeck, E. ; Serrano-Ramón, L. ; Gatel, C. ; Córdoba, R. ; Martínez-Vecino, E. ; Torres, L. ; De Teresa, J. M. ; Ibarra, M. R.</creatorcontrib><description>Direct observation of domain wall (DW) nucleation and propagation in focused electron beam induced deposited Co nanowires as a function of their dimensions was carried out by Lorentz microscopy (LTEM) upon in situ application of magnetic field. Optimal dimensions favoring the unambiguous DW nucleation/propagation required for applications were found in 500-nm-wide and 13-nm-thick Co nanowires, with a maximum nucleation field and the largest gap between nucleation and propagation fields. The internal DW structures were resolved using the transport-of-intensity equation formalism in LTEM images and showed that the optimal nanowire dimensions correspond to the crossover between the nucleation of transverse and vortex walls.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.4776709</identifier><language>eng</language><publisher>United States</publisher><subject>COBALT ; DEPOSITION ; Domain walls ; ELECTRON BEAMS ; EQUATIONS ; MAGNETIC FIELDS ; Mathematical analysis ; MICROSCOPY ; NANOSCIENCE AND NANOTECHNOLOGY ; Nanowires ; NUCLEATION ; Optimization ; QUANTUM WIRES ; VORTICES ; Walls</subject><ispartof>Applied physics letters, 2013-01, Vol.102 (2)</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c325t-d3cb20149010953ea6843bf8efdfe3bcce1859e797950081f2053717521b072d3</citedby><cites>FETCH-LOGICAL-c325t-d3cb20149010953ea6843bf8efdfe3bcce1859e797950081f2053717521b072d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22162671$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Rodríguez, L. A.</creatorcontrib><creatorcontrib>Magén, C.</creatorcontrib><creatorcontrib>Snoeck, E.</creatorcontrib><creatorcontrib>Serrano-Ramón, L.</creatorcontrib><creatorcontrib>Gatel, C.</creatorcontrib><creatorcontrib>Córdoba, R.</creatorcontrib><creatorcontrib>Martínez-Vecino, E.</creatorcontrib><creatorcontrib>Torres, L.</creatorcontrib><creatorcontrib>De Teresa, J. M.</creatorcontrib><creatorcontrib>Ibarra, M. R.</creatorcontrib><title>Optimized cobalt nanowires for domain wall manipulation imaged by in situ Lorentz microscopy</title><title>Applied physics letters</title><description>Direct observation of domain wall (DW) nucleation and propagation in focused electron beam induced deposited Co nanowires as a function of their dimensions was carried out by Lorentz microscopy (LTEM) upon in situ application of magnetic field. Optimal dimensions favoring the unambiguous DW nucleation/propagation required for applications were found in 500-nm-wide and 13-nm-thick Co nanowires, with a maximum nucleation field and the largest gap between nucleation and propagation fields. The internal DW structures were resolved using the transport-of-intensity equation formalism in LTEM images and showed that the optimal nanowire dimensions correspond to the crossover between the nucleation of transverse and vortex walls.</description><subject>COBALT</subject><subject>DEPOSITION</subject><subject>Domain walls</subject><subject>ELECTRON BEAMS</subject><subject>EQUATIONS</subject><subject>MAGNETIC FIELDS</subject><subject>Mathematical analysis</subject><subject>MICROSCOPY</subject><subject>NANOSCIENCE AND NANOTECHNOLOGY</subject><subject>Nanowires</subject><subject>NUCLEATION</subject><subject>Optimization</subject><subject>QUANTUM WIRES</subject><subject>VORTICES</subject><subject>Walls</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNotkE9LxDAQxYMouK4e_AYBL3romslsm_Yoi_9gYS96E0Kaphppk5qkLLuf3i67zGEY5vcevEfILbAFsAIfYbEUohCsOiMzYEJkCFCekxljDLOiyuGSXMX4O505R5yRr82QbG_3pqHa16pL1CnntzaYSFsfaON7ZR3dqq6jvXJ2GDuVrHfU9up7EtU7Or2jTSNd-2Bc2tPe6uCj9sPumly0qovm5rTn5PPl-WP1lq03r--rp3Wmkecpa1DXnMGyYsCqHI0qyiXWbWnapjVYa22gzCsjKlHljJXQcpajAJFzqJngDc7J3dHXx2Rl1DYZ_aO9c0YnyTkUvBAwUfdHagj-bzQxyd5GbbpOOePHKAH5NLgscUIfjughSQymlUOYAoedBCYPPUuQp57xHxLpbuI</recordid><startdate>20130114</startdate><enddate>20130114</enddate><creator>Rodríguez, L. 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A.</creatorcontrib><creatorcontrib>Magén, C.</creatorcontrib><creatorcontrib>Snoeck, E.</creatorcontrib><creatorcontrib>Serrano-Ramón, L.</creatorcontrib><creatorcontrib>Gatel, C.</creatorcontrib><creatorcontrib>Córdoba, R.</creatorcontrib><creatorcontrib>Martínez-Vecino, E.</creatorcontrib><creatorcontrib>Torres, L.</creatorcontrib><creatorcontrib>De Teresa, J. M.</creatorcontrib><creatorcontrib>Ibarra, M. R.</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rodríguez, L. A.</au><au>Magén, C.</au><au>Snoeck, E.</au><au>Serrano-Ramón, L.</au><au>Gatel, C.</au><au>Córdoba, R.</au><au>Martínez-Vecino, E.</au><au>Torres, L.</au><au>De Teresa, J. M.</au><au>Ibarra, M. R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optimized cobalt nanowires for domain wall manipulation imaged by in situ Lorentz microscopy</atitle><jtitle>Applied physics letters</jtitle><date>2013-01-14</date><risdate>2013</risdate><volume>102</volume><issue>2</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><abstract>Direct observation of domain wall (DW) nucleation and propagation in focused electron beam induced deposited Co nanowires as a function of their dimensions was carried out by Lorentz microscopy (LTEM) upon in situ application of magnetic field. Optimal dimensions favoring the unambiguous DW nucleation/propagation required for applications were found in 500-nm-wide and 13-nm-thick Co nanowires, with a maximum nucleation field and the largest gap between nucleation and propagation fields. The internal DW structures were resolved using the transport-of-intensity equation formalism in LTEM images and showed that the optimal nanowire dimensions correspond to the crossover between the nucleation of transverse and vortex walls.</abstract><cop>United States</cop><doi>10.1063/1.4776709</doi><oa>free_for_read</oa></addata></record> |
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| ispartof | Applied physics letters, 2013-01, Vol.102 (2) |
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| language | eng |
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| source | AIP Journals Complete; AIP Digital Archive; Alma/SFX Local Collection |
| subjects | COBALT DEPOSITION Domain walls ELECTRON BEAMS EQUATIONS MAGNETIC FIELDS Mathematical analysis MICROSCOPY NANOSCIENCE AND NANOTECHNOLOGY Nanowires NUCLEATION Optimization QUANTUM WIRES VORTICES Walls |
| title | Optimized cobalt nanowires for domain wall manipulation imaged by in situ Lorentz microscopy |
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