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Measurement of spin-dependent conductivities in a two-dimensional electron gas
- Source :
- Physical Review B, 82 (4), 2010
- Publication Year :
- 2010
- Publisher :
- American Physical Society, 2010.
-
Abstract
- Spin accumulation is generated by injecting an unpolarized charge current into a channel of GaAs two-dimensional electron gas subject to an in-plane magnetic field, then measured in a nonlocal geometry. Unlike previous measurements that have used spin-polarized nanostructures, here the spin accumulation arises simply from the difference in bulk conductivities for spin-up and spin-down carriers. Comparison to a diffusive model that includes spin subband splitting in magnetic field suggests a significantly enhanced electron spin susceptibility in the two-dimensional electron gas.
- Subjects :
- Physics
Condensed Matter - Mesoscale and Nanoscale Physics
Spin polarization
Condensed matter physics
FOS: Physical sciences
Magnetic semiconductor
Zero field splitting
Condensed Matter Physics
Condensed Matter::Mesoscopic Systems and Quantum Hall Effect
Electron magnetic dipole moment
Electronic, Optical and Magnetic Materials
Spin magnetic moment
QC Physics
Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
Spin Hall effect
Spinplasmonics
QC176-176.9 Solids. Solid state physics
Condensed Matter::Strongly Correlated Electrons
Spin (physics)
Subjects
Details
- Language :
- English
- ISSN :
- 01631829
- Database :
- OpenAIRE
- Journal :
- Physical Review B, 82 (4), 2010
- Accession number :
- edsair.doi.dedup.....28e0c608947b5665912f5d5158cb76c3