Spin-dependent transport and inter-wall coupling in carbon nanotubes.

Lambert, Colin J. and Athanasopoloulos, S. and Grace, I. M. and Bailey, S. W. (2004) Spin-dependent transport and inter-wall coupling in carbon nanotubes. Materials Science, 22 (4). pp. 435-444. ISSN 0137-1339

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Abstract

Theoretical results for electron transport through two structures involving carbon nanotubes are presented. The first structure was a nanotube inserted into another nanotube of a larger diameter. The electrical conductance of the resulting double-wall CNT is an oscillatory function of the length of the insertion. The frequency and amplitude of these oscillations reflect the position dependence of inter-tube interaction in multi-wall CNTs. The second structure was a single-wall carbon nanotube (CNT) in contact with ferromagnetic electrodes, exhibiting giant magnetoresistance (GMR). An intuitive picture of GMR in clean nanotubes with low-resistance contacts is presented and ab initio results are obtained for GMR in Nickelcontacted nanotubes.

Item Type:
Journal Article
Journal or Publication Title:
Materials Science
Uncontrolled Keywords:
/dk/atira/pure/core/keywords/physics
Subjects:
?? physicsmechanics of materialsgeneral materials sciencemechanical engineeringcondensed matter physicsmaterials science(all)qc physics ??
ID Code:
23888
Deposited By:
Deposited On:
23 Feb 2009 10:25
Refereed?:
Yes
Published?:
Published
Last Modified:
16 Jul 2024 08:26