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Title: | Magnetic properties of epitaxial discontinuous Fe/MgO multilayers |
Authors: | García-García, A.; Pardo, J. A.; Magén, César ; Teresa, José María de ; Morellón, Luis; Algarabel, Pedro A. ![]() |
Issue Date: | 2012 |
Publisher: | American Scientific Publishers |
Citation: | Journal of Nanoscience and Nanotechnology 12(9): 7505-7509 (2012) |
Abstract: | We report magnetic, dynamic and transport properties of discontinuous metal-insulator multilayers Fe/MgO grown on amorphous Corning® glass and single-crystalline MgO (001) substrates. The films of structure Substrate/MgO (3 nm)/[Fe (0.6 nm)/MgO (3.0 nm)]×10 were prepared in ultra-high vacuum conditions using Pulsed Laser Deposition. It was shown that conditions of epitaxial growth are favorable for MgO substrates. As a result a substantial increase of tunneling magnetoresistance caused by spin-filtering effect was observed and reasonably theoretically explained. The value of TMR ̃ 9.2% at room temperature in 18 kOe magnetic field is three times higher comparing to that for the samples grown on Corning® glass substrates. Copyright © 2012 American Scientific Publishers All rights reserved. |
URI: | http://hdl.handle.net/10261/73769 |
DOI: | 10.1166/jnn.2012.6548 |
Identifiers: | doi: 10.1166/jnn.2012.6548 issn: 1533-4880 e-issn: 1533-4899 |
Appears in Collections: | (ICMA) Artículos |
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