TITLE

Hexagonally ordered 100 nm period nickel nanowire arrays

AUTHOR(S)
Nielsch, K.; Wehrspohn, R. B.; Barthel, J.; Kirschner, J.; Go¨sele, U.; Fischer, S. F.; Kronmu¨ller, H.
PUB. DATE
August 2001
SOURCE
Applied Physics Letters;8/27/2001, Vol. 79 Issue 9, p1360
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The magnetic behavior of 100 nm period arrays of Ni nanowires embedded in a highly ordered alumina pore matrix were characterized by magnetometry and magnetic force microscopy. Reducing the diameter of the nanowires from 55 to 30 nm while keeping the interwire distance constant leads to increasing coercive fields from 600 to 1200 Oe and to increasing remanence from 30% to 100%. The domain structure of the arrays exhibits in the demagnetized state a labyrith-like pattern. These results show that stray field interactions of single domain nanowires are entirely dependent on the nanowire diameter. © 2001 American Institute of Physics.
ACCESSION #
5045882

 

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