Publications associated with Spin Electronics

Fabrication and characterisation of Ni nanocontacts

J MAGN MAGN MATER 242 (2002) 492-494

O Cespedes, MA Bari, C Dennis, JJ Versluijs, G Jan, J O'Sullivan, JF Gregg, JMD Coey

We propose a simple method to make metallic nanocontacts. A gap is electrochemically etched in a Ni track. The gap resistance is monitored as material is redeposited from the solution to bridge the gap. I:V characteristics were compared with those of Ni nanocontacts fabricated using a focussed ion beam (FIB). The I:V characteristic is asymmetric above 200 K in both cases. (C) 2002 Published by Elsevier Science B.V.

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