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Characterization of ferromagnetic contacts to carbon nanotubes

Preusche, Dominik and Schmidmeier, Silvia and Pallecchi, Emiliano and Dietrich, Christian and Hüttel, Andreas K. and Zweck, Josef and Strunk, Christoph (2009) Characterization of ferromagnetic contacts to carbon nanotubes. Journal of Applied Physics 106, 084314.

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Abstract

We present an investigation of different thin-film evaporated ferromagnetic materials for their suitability as electrodes in individual single-wall and multi-wall carbon nanotube-based spin devices. Various electrode shapes made from permalloy (Ni81Fe19), the diluted ferromagnet PdFe, and PdFe/Fe bilayers are studied for both their micromagnetic properties and their contact formation to carbon nanotubes. Suitable devices are tested in low-temperature electron transport measurements, displaying the typical tunneling magnetoresistance of carbon nanotube pseudo-spin valves.

Item Type:

Article

Institutions:

Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Christoph Strunk

Identification Number:

Value	Type
10.1063/1.3225571	DOI
0904.0907	arXiv ID

Classification:

Notation	Type
75.70.Ak	PACS
61.46.Fg	PACS
75.70.Cn	PACS

Keywords:

carbon nanotubes, electrodes, ferromagnetic materials, iron, iron alloys, magnetic multilayers, magnetic thin films, micromagnetics, palladium alloys, Permalloy, spin valves, tunnelling magnetoresistance

Subjects:

500 Science > 530 Physics

Status:

Published

Refereed:

Yes, this version has been refereed

Created at the University of Regensburg:

Yes

Owner:

Claudia Rahm

Deposited On:

11 Feb 2010 08:20