Abstract
We report the evolution of Fe oxide nanostructures on GaAs(100) upon pre- and post-growth annealing conditions. GaAs nanoscale pyramids were formed on the GaAs surface due to wet etching and thermal annealing. An 8.0-nm epitaxial Fe film was grown, oxidized, and annealed using a gradient temperature method. During the process the nanostripes were formed, and the evolution has been demonstrated using transmission and reflection high energy electron diffraction, and scanning electron microscopy. These nanostripes; exhibited uniaxial magnetic anisotropy. The formation of these nanostructures is attributed to surface anisotropy, which in addition could explain the observed uniaxial magnetic anisotropy.
| Original language | English |
|---|---|
| Pages (from-to) | 3328-3330 |
| Number of pages | 3 |
| Journal | IEEE Transactions on Magnetics |
| Volume | 41 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - Oct 2005 |
Bibliographical note
© 2005 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.Keywords
- annealing
- magnetic Fe oxide
- magnetic uniaxial anisotropy
- nanostructures