Magneto-transport studies of single ferromagnetic nanowire

✍ Scribed by Rheem, Y. ;Yoo, B.-Y. ;Beyermann, W. P. ;Myung, N. V.

• Publisher: John Wiley and Sons
• Year: 2007
• Tongue: English
• Weight: 592 KB
• Volume: 204
• Category: Article
• ISSN: 0031-8965
• DOI: 10.1002/pssa.200777135

✦ Synopsis

Abstract

The magnetotransport properites of individual ferromagnetic nanowires (e.g. Ni, Co~23~Ni~77~, Ni~85~Fe~15~) with 200 nm diameters were investigated. The ferromagnetic nanowires were successfully electrodeposited within an anodized alumina by controlling solution composition, temperature, and current density. Using a magnetic assembly technique, single nanowire was successfully bridged across microfabricated gold elecrodes. The temperature coefficient of resistance for ferromagnetic nanowires was lower than the bulk because of a larger residual resistance from increased electrical scattering in one‐dimensional structures. The ferromagnetic nanowires showed typical anisotropic magnetoresistance where the magnetoresistance ratio was lower than bulk values. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)