Title
Magneto conductance for tunnelling through double magnetic barriersMagneto conductance for tunnelling through double magnetic barriers
Author
Faculty/Department
Faculty of Sciences. Physics
Research group
Condensed Matter Theory
Department of Physics
Publication type
article
Publication
Amsterdam :North-Holland,
Subject
Physics
Engineering sciences. Technology
Source (journal)
Physica. E: Low-dimensional systems and nanostructures. - Amsterdam
Volume/pages
25(2005):4, p. 339-346
ISSN
1386-9477
ISI
000226187900002
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The temperature-dependent magnetoresistance effect is investigated in a magnetically modulated two-dimensional (21)) electron gas (2DEG) which can be realized by depositing two parallel ferromagnets on top of a 2DEG electron gas. In the resonant tunnelling regime the transmission for the parallel and antiparallel magnetization configurations shows a quite distinct dependence on the longitudinal wave vector of the incident electrons. This leads to a very large magneto resistance ratio with a strong temperature dependence. (C) 2004 Elsevier B.V. All rights reserved.
E-info
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