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http://hdl.handle.net/10261/20932
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Brey, Luis | - |
dc.contributor.author | Tejedor, C. | - |
dc.contributor.author | Fernández Rossier, J. | - |
dc.date.accessioned | 2010-02-10T14:21:27Z | - |
dc.date.available | 2010-02-10T14:21:27Z | - |
dc.date.issued | 2004-09-13 | - |
dc.identifier.citation | Applied Physics Letters 85(11): 1996 (2004) | en_US |
dc.identifier.issn | 0003-6951 | - |
dc.identifier.uri | http://hdl.handle.net/10261/20932 | - |
dc.description | 3 pages, 3 figures. | en_US |
dc.description.abstract | The relation between tunnel magnetoresistance (TMR) and spin polarization is explored for GaMnAs/GaAlAs/GaMnAs structures where the carriers experience strong spin–orbit interactions. TMR is calculated using the Landauer approach. The materials are described in the 6 band k·p model which includes spin–orbit interaction. Ferromagnetism is described in the virtual crystal mean field approximations. Our results indicate that TMR is a function of spin polarization and barrier thickness. As a result of the stong spin–orbit interactions, TMR also depends on the the angle between current flow direction and the electrode magnetization. These results compromise the validity of Julliere formula. | en_US |
dc.description.sponsorship | This work was supported in part by MCYT of Spain under Contract Nos. MAT2002-04429-C03-01, MAT2002- 00139, MAT2003-08109-C02-01, Fundación Ramón Areces, Ramon y Cajal Program and UE within the Research Training Network COLLECT. | en_US |
dc.format.extent | 62947 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | en_US |
dc.publisher | American Institute of Physics | en_US |
dc.rights | openAccess | en_US |
dc.title | Tunnel magnetoresistance in GaMnAs: Going beyond Jullière formula | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1063/1.1789241 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/10.1063/1.1789241 | en_US |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
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