Detecting Spin-Polarized Currents in Ballistic Nanostructures
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We demonstrate a mesoscopic spin polarizer/analyzer system that allows the spin polarization of current from a quantum point contact in an in-plane magnetic field to be measured. A transverse focusing geometry is used to couple current from an emitter point contact into a collector point contact. At large in-plane fields, with the point contacts biased to transmit only a single spin (g
Originalsprog | Engelsk |
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Tidsskrift | Physical Review Letters |
Vol/bind | 89 |
Udgave nummer | 26 |
ISSN | 0031-9007 |
DOI | |
Status | Udgivet - 19 jun. 2002 |
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