The University of Dublin | Trinity College -- Ollscoil Átha Cliath | Coláiste na Tríonóide
Trinity's Access to Research Archive
Home :: Log In :: Submit :: Alerts ::

TARA >
School of Physics >
Physics >
Physics (Scholarly Publications) >

Please use this identifier to cite or link to this item: http://hdl.handle.net/2262/33468

Title: The effect of magnetic annealing on barrier asymmetry in Co40Fe40B20/MgO magnetic tunnel junctions
Author: COEY, JOHN MICHAEL DAVID
FENG, JIA-FENG
Sponsor: Science Foundation Ireland
Author's Homepage: http://people.tcd.ie/jcoey
http://people.tcd.ie/jfeng
Keywords: Magnetic tunnel junction; Tunneling magnetoresistance; MgO barrier
Issue Date: 2010
Citation: G. Feng, J.F. Feng and J.M.D. Coey, The effect of magnetic annealing on barrier asymmetry in Co40Fe40B20/MgO magnetic tunnel junctions, Journal of Magnetism and Magnetic Materials, 322, 9-12, 2010, 1456-1459
Series/Report no.: Journal of Magnetism and Magnetic Materials
322
9-12
Abstract: We demonstrate that high-quality magnetic tunnel junctions with Co40Fe40B20 electrodes and crystalline MgO barriers, which show a 230% tunneling magnetoresistance ratio at room temperature, can be successfully fabricated by using a target-facing-target sputtering technique and present the results on the change of barrier asymmetry after the annealing at different temperatures. Bias voltage dependence of magnetoresistance ratio for Co40Fe40B20/MgO magnetic tunnel junctions is highly asymmetrical in the as-deposited states and becomes more symmetrical after magnetic annealing. It also exhibits a shift of the tunneling magnetoresistance maximum to a positive bias voltage under the low-temperature annealing.
Description: PUBLISHED
URI: http://dx.doi.org/10.1016/j.jmmm.2009.04.059
http://hdl.handle.net/2262/33468
Appears in Collections:Physics (Scholarly Publications)

Files in This Item:

File Description SizeFormat
The effect of magnetic annealing on barrier asymmetry in Co40Fe40B20 MgO magnetic tunnel junctions.pdfin press (publisher copy) peer-reviewed210.68 kBAdobe PDFView/Open


This item is protected by original copyright


Please note: There is a known bug in some browsers that causes an error when a user tries to view large pdf file within the browser window. If you receive the message "The file is damaged and could not be repaired", please try one of the solutions linked below based on the browser you are using.

Items in TARA are protected by copyright, with all rights reserved, unless otherwise indicated.

 

Valid XHTML 1.0! DSpace Software Copyright © 2002-2010  Duraspace - Feedback