Journal of the Korean Physical Society

pISSN 0374-4884 eISSN 1976-8524
Qrcode

Article

Condensed Matter

J. Korean Phy. Soc. 2005; 46(5): 1170

Published online May 15, 2005     https://doi.org/

Copyright © The Korean Physical Society.

Fabrication of Isolated Magnetic Nanostructures by Using Nanoporous Anodic Alumina Film on Si

S. G. Lee, S. W. Shin, J. Lee, J. H. Lee, T. G. Kim and J. H. Song

Abstract

Arrays of magnetic Ni nanostructures have been fabricated on a Si substrate by using a nanoporous alumina film as a mask during the deposition. The nanostructures have a truncated cone shape, and the lateral sizes are comparable to the heights. While a continuous film shows well-defined in-plane magnetization, the nanostructure has a perpendicular component of the magnetization at remanence. The hysteretic behavior of the nanostructures is dominated by the demagnetizing field instead of by interaction among the structures.