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 610 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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|Institutions:||Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss|
|Subjects:||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|