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Verhandlungen
Verhandlungen
DPG

Dresden 2006 – scientific programme

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MA: Magnetismus

MA 20: Poster: Films(1-36) Transp(37-56) Ex.Bias(57-67) Spindyn(68-80) Micromag(81-95) Particle(96-109) Imag.+Surface(110-113) Spinelectr(114-122) Theory+Micromag(123-131) Spinstr+Aniso(132-142) MagMat(143-156) Meas(157,158) MolMag+Kondo(159-162) Postdead(163-)

MA 20.35: Poster

Tuesday, March 28, 2006, 15:15–19:15, P1

Domain structure of thin magnetic films with high perpendicular anisotropy — •Jens Brandenburg, Volker Neu, and Ludwig Schulz — IFW Dresden, Institut für Metallische Werkstoffe, PF 270116, D-01171 Dresden

To examine the influence of magnetic anisotropy and strayfield energy onto domain formation, the domain structure of thin Co based films with high perpendicular anisotropy and varying thickness was investigated using magnetic force microscopy (MFM). These films were prepared in a thickness range from 10 to 100 nm by physical vapour deposition (PVD). They were deposited either directly onto Al2O3 single crystal substrates or with an intermediate Ruthenium (Ru) buffer layer. The influence of the growth conditions (temperature, substrate orientation, buffer layer) onto the texture and as a consequence onto the magnetic properties of the sample was studied by x-ray diffractometry (XRD), pole-figure measurements and vibrating sample magnetometry (VSM). The dependence of the observed domain width from the thickness of the film is compared with the existing models for the domain structure for extended films.

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