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Transport Properties of Magnetic Nanowires with Multiple Constrictions Formed by FIB

Published online by Cambridge University Press:  21 March 2011

Tie Liu
Affiliation:
Department of Electrical and Computer Engineering, National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260
Yihong Wu
Affiliation:
Data Storage Institute, DSI Building, 5 Engineering Drive 1, Singapore 117608, REPUBLIC OF SINGAPORE
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Abstract

Ni nanowires were fabricated by electrochemical deposition in the pores of alumina filtration membranes, with the diameter around 200nm. To study the magnetic and electrical properties of Ni nanowires, individual nanowire was selected and connected with metal electrodes. Single and multiple constrictions were formed on the nanowires by focused ion beam (FIB). The wires were further thinned using oxygen plasma oxidation. Magnetoresistance curves were studied and compared before and after FIB trimming and oxidization.

Type
Research Article
Copyright
Copyright © Materials Research Society 2004

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