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Structural, Magnetic Properties of the Electrochemically Deposited Arrays of Nickel Nanowires

Published online by Cambridge University Press:  21 February 2011

H.R. Khan  and
K. Petrikowski
H.R. Khan
Affiliation:
FEM, Materials Physics Department, 73525 Schwaebisch Gmuend, Germany
K. Petrikowski
Affiliation:
FEM, Materials Physics Department, 73525 Schwaebisch Gmuend, Germany
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Abstract

The room temperature structural, magnetization and magnetoresistive properties of Ni-nanowires of diameters 18, 30 and 78 nm and various lengths, fabricated by electrochemical deposition of Ni in the nanopores of anodic alumina, are investigated. The crystallographic orientation depends on the diameter of nanowires. Nanowires show perpendicular magnetic anisotropy and enhanced coercivity (Hc) and remanent magnetization (Mr) values of up to 500 Oe and 50% respectively. An electrodeposited Ni-layer (5 μm) on copper substrate shows in plane magnetic anisotropy and the Hc and Mr values are 97 Oe and 37%. Ni-nanowires and Ni-layer show an anisotropic magnetoresistive behaviour.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 581: Symposium F – Nanophase & Nanocomposite Materials II , 1999 , 245
Copyright
Copyright © Materials Research Society 2000

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References

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