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research article

Temperature derivative of the resistance of spin valves

Granville, Simon  
•
Yu, Haiming  
•
Dubois, Julie
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2010
Journal of Magnetism and Magnetic Materials

Spin-dependent transport properties of nanowires containing individual Co/Cu/Co pseudo-spin valves were investigated by monitoring an AC voltage induced by a temperature oscillation under a continuous DC current. We observed sharp peaks in the field-dependent AC voltage response. These peaks only appear close to the magnetic field range where conventional magnetoresistance shows a reversible and gradual transition. The effect is interpreted as an extra dissipation process with a distinct temperature dependence that occurs in non-collinear magnetic configurations when transverse moment relaxation takes place.

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Type
research article
DOI
10.1016/j.jmmm.2009.03.027
Web of Science ID

WOS:000275746100115

Author(s)
Granville, Simon  
•
Yu, Haiming  
•
Dubois, Julie
•
Gravier, Laurent  
•
Ansermet, Jean-Philippe  
Date Issued

2010

Publisher

Elsevier

Published in
Journal of Magnetism and Magnetic Materials
Volume

322

Issue

9-12

Start page

1464

End page

1466

Subjects

Spin torque

•

Nanostructure

•

Spin valves

•

Magnetoresistance

•

Magnetization Reversal

•

Magnetoresistance

•

Nanowires

•

Transport

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LPMN  
Available on Infoscience
April 30, 2010
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/49868
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