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Effect of magnetic impurity on spin-polarized transport in armchair single-wall carbon nanotubes

✍ Scribed by M. Kariminezhad; M. Kavand; A. Namiranian

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
232 KB
Volume
43
Category
Article
ISSN
1386-9477

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✦ Synopsis

By using a simple method, the effects of a substitutional magnetic impurity on the conductance of metallic single-wall carbon nanotubes, lying between two spin-polarized electron reservoirs, are studied. It is demonstrated how the differential conductance depends sensitively on the radius and length of nanotube as well as the position of impurity. It is shown that magnetic impurity produces more effect for the spin-polarized current between the antiparallel reservoirs than the parallel ones.

πŸ“œ SIMILAR VOLUMES

Effect of single magnetic atom on spin-p
Effect of single magnetic atom on spin-polarized transport of armchair graphene nanoribbons
✍ M. Kavand; M. Kariminezhad; A. Namiranian πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 English βš– 332 KB

Using a perturbative method, the influence of a single magnetic impurity on the spin-polarized current flowing through a metallic armchair graphene nanoribbon is investigated theoretically. It is shown that the nonlinear correction depends strongly on the relative spin orientations in the two spin-p