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Emergence of spin-orbit fields in magnetotransport of quasi-two-dimensional iron on gallium arsenide
Hupfauer, Thomas, Matos-Abiague, A., Gmitra, Martin
, Schiller, Fritz, Loher, Josef, Bougeard, Dominique, Back, Christian H.
, Fabian, Jaroslav
and Weiss, Dieter
(2015)
Emergence of spin-orbit fields in magnetotransport of quasi-two-dimensional iron on gallium arsenide.
Nature Communications 6, p. 7374.
Date of publication of this fulltext: 22 Jun 2015 11:53
Article
DOI to cite this document: 10.5283/epub.31969
Abstract
The desire for higher information capacities drives the components of electronic devices to ever smaller dimensions so that device properties are determined increasingly more by interfaces than by the bulk structure of the constituent materials. Spintronic devices, especially, benefit from the presence of interfaces-the reduced structural symmetry creates emergent spin-orbit fields that offer ...
The desire for higher information capacities drives the components of electronic devices to ever smaller dimensions so that device properties are determined increasingly more by interfaces than by the bulk structure of the constituent materials. Spintronic devices, especially, benefit from the presence of interfaces-the reduced structural symmetry creates emergent spin-orbit fields that offer novel possibilities to control device functionalities. But where does the bulk end, and the interface begin? Here we trace the interface-to-bulk transition, and follow the emergence of the interfacial spin-orbit fields, in the conducting states of a few monolayers of iron on top of gallium arsenide. We observe the transition from the interface-to bulk-induced lateral crystalline magnetoanisotropy, each having a characteristic symmetry pattern, as the epitaxially grown iron channel increases from four to eight monolayers. Setting the upper limit on the width of the interface-imprinted conducting channel is an important step towards an active control of interfacial spin-orbit fields.
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Details
| Item type | Article | ||||
| Journal or Publication Title | Nature Communications | ||||
| Publisher: | NATURE PUBLISHING GROUP | ||||
|---|---|---|---|---|---|
| Place of Publication: | LONDON | ||||
| Volume: | 6 | ||||
| Page Range: | p. 7374 | ||||
| Date | 8 June 2015 | ||||
| Institutions | Physics > Institute of Theroretical Physics Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Chair Professor Back > Group Christian Back Physics > Institute of Experimental and Applied Physics > Chair Professor Huber > Group Dominique Bougeard Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss | ||||
| Identification Number |
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| Keywords | MAGNETIC-FIELD; DOMAIN-WALLS; ELECTRON-GAS; TORQUE; FILMS; MAGNETORESISTANCE; SPINTRONICS; LAYER; | ||||
| Dewey Decimal Classification | 500 Science > 530 Physics | ||||
| Status | Published | ||||
| Refereed | Yes, this version has been refereed | ||||
| Created at the University of Regensburg | Yes | ||||
| URN of the UB Regensburg | urn:nbn:de:bvb:355-epub-319690 | ||||
| Item ID | 31969 |
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