Spin-orbit interaction in chiral carbon nanotubes probed in pulsed magnetic fields

Jhang , Sung Ho and Marganska, Magdalena and Skoursi, Yurii and Preusche, Dominik and Witkamp, Benoit and Grifoni, Milena and van der Zant, Herre and Strunk, Christoph and Wosnitza, Joachim (2010) Spin-orbit interaction in chiral carbon nanotubes probed in pulsed magnetic fields. Phys. Rev. B 82, 041404.

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Other URL: http://link.aps.org/doi/10.1103/PhysRevB.82.041404, http://prb.aps.org/pdf/PRB/v82/i4/e041404

Abstract

The magneto-conductance of an open carbon nanotube (CNT)-quantum wire was measured in pulsed magnetic fields. At low temperatures we find a peculiar split magneto-conductance peak close to the charge neutrality point. Our analysis of the data reveals that this splitting is intimately connected to the spin-orbit interaction and the tube chirality. Band structure calculations suggest that the current in the peak regions is highly spin-polarized, which calls for application in future CNT-based spintronic devices.

Item Type:	Article
Institutions:	Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group Milena Grifoni Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Christoph Strunk
Projects:	GRK 1570, Elektronische Eigenschaften von Nanostrukturen auf Kohlenstoff-Basis
Subjects:	500 Science > 530 Physics
Status:	Published
Refereed:	Yes, this version has been refereed
Created at the University of Regensburg:	Yes
Owner:	Webmaster Grifoni
Deposited On:	12 Mar 2010 15:02
Last Modified:	15 Feb 2011 09:04
Item ID:	13431