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Spin-polarized transport in carbon nanotubes

Authors
Journal
Superlattices and Microstructures
0749-6036
Publisher
Elsevier
Volume
27
Identifiers
DOI: 10.1006/spmi.2000.0885
Keywords
  • Carbon Nanotube
  • Spin-Polarized Transport.
Disciplines
  • Physics

Abstract

Abstract We present transport measurements of ferromagnetically contacted carbon nanotubes. In both single- and multi-walled nanotube devices, a spin valve effect is observed due to spin-polarized transport. In one single-walled nanotube device, the spin-valve effect is suppressed as the influence of Coulomb charging is observed at around 10 K. To help understand the interplay between the Coulomb charging and the spin-polarized transport we investigated the temperature dependence of the carbon nanotube magnetoresistance.

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