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International audienceWe present the magnetization evolution of perpendicular anisotropy TbFe and ͓Co/ Pt͔ 50 thin films either in direct contact resulting in antiferromagnetic interfacial coupling or separated by a thick decoupling Pt layer. Magnetometry and x-ray magnetic circular dichroism spectroscopy determine the spatially averaged magnetic properties. Resonant magnetic x-ray small-angle scattering and magnetic soft x-ray transmission microscopy probed the domain configurations and correlations in the reversal processes. While the Co/Pt multilayer reverses by domain propagation, the TbFe magnetization reversal was dominated either by coherent magnetiza-tion reversal processes or by lateral domain formation depending on the interface exchange coupling. In the presence of lateral domains, dipolar field induced domain replication phenomena were observed

physical review b

Influence of interface exchange coupling in perpendicular anisotropy<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mrow><mml:mo>[</mml:mo><mml:mrow><mml:mtext>Pt</mml:mtext><mml:mo>/</mml:mo><mml:mtext>Co</mml:mtext></mml:mrow><mml:mo>]</mml:mo></mml:mrow></mml:mrow><mml:mrow><mml:mn>50</mml:mn></mml:mrow></mml:msub><mml:mo>/</mml:mo><mml:mtext>TbFe</mml:mtext></mml:mrow></mml:math>bilayers

Influence of interface exchange coupling in perpendicular anisotropy[Pt/Co]50/TbFebilayers