https://doi.org/10.1140/epjb/e2005-00190-7
Effect of grain misorientation on the stripe domains in evaporated cobalt films
1
LPMTM (CNRS-UPR 9001), Université Paris 13, 99 Avenue J.B. Clément, 93430 Villetaneuse, France
2
Département de Physique, Université Ferhat ABBAS, Sétif 19000, Algérie
Corresponding author: a cherif@lpmtm.univ-paris13.fr
Received:
22
November
2004
Revised:
6
April
2005
Published online:
6
July
2005
X-ray diffraction and magnetic force microscopy techniques were used to investigate the structural and the static magnetic properties of vapor-deposited cobalt films with various thicknesses t ranging from 50 to 195 nm. Texture measurements revealed that as the thickness increases, the films become predominantly c-axis oriented. Magnetic stripe domains structure was only observed for the thicker films, with t=195, 173 and 125 nm, while such a magnetic configuration was expected for all the samples based on the theoretical studies. Since the layers present increasing c-axis misorientation when the thickness decreases, we assume that this effect can prevent the stripe domains formation. This behavior is qualitatively explained by a simple model which describes the stripe domains structure taking into account the role of a small misorientation of the anisotropy axis.
PACS: 61.10.Nz – X-ray diffraction / 68.37.Rt – Magnetic force microscopy (MFM) / 75.70.Kw – Domain structure (including magnetic bubbles )
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2005