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Local Hall effect in hybrid ferromagnetic/semiconductor devices.
- Source :
- Applied Physics Letters; 1/8/2007, Vol. 90 Issue 2, p023510-N.PAG, 3p, 1 Black and White Photograph, 2 Diagrams, 3 Graphs
- Publication Year :
- 2007
-
Abstract
- The authors have investigated the magnetoresistance of ferromagnet-semiconductor devices in an InAs two-dimensional electron gas system in which the magnetic field has a sinusoidal profile. The magnetoresistance of their device is large. The longitudinal resistance has an additional contribution which is odd in applied magnetic field. It becomes even negative at low temperature where the transport is ballistic. Based on the numerical analysis, they confirmed that their data can be explained in terms of the local Hall effect due to the profile of negative and positive field regions. This device may be useful for future spintronic applications. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00036951
- Volume :
- 90
- Issue :
- 2
- Database :
- Complementary Index
- Journal :
- Applied Physics Letters
- Publication Type :
- Academic Journal
- Accession number :
- 23774011
- Full Text :
- https://doi.org/10.1063/1.2416000