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High-field magnetoresistance of Fe/GaAs/Fe tunnel junctions

Zenger, M and Moser, Jürgen and Wegscheider, Werner and Weiss, Dieter and Dietl, T (2004) High-field magnetoresistance of Fe/GaAs/Fe tunnel junctions. Journal of Applied Physics 96, p. 2400.

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We investigate transport through 6–10 nm thin epitaxial GaAs(001) barriers sandwiched between polycrystalline iron films. Apart from a pronounced tunneling magnetoresistance effect at low magnetic fields, we observe a distinct negative magnetoresistance (MR) at low and a positive MR at higher temperatures. We show that the negative MR contribution is only observed for the ferromagnetic ...


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Item Type:Article
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss
Dewey Decimal Classification:500 Science > 530 Physics
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Deposited On:25 May 2009 13:21
Last Modified:23 Dec 2009 04:10
Item ID:7928
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