Ferromagnetic Resonance Investigation of Origins of the Perpen-Dicular Magnetic Anisotropy in Pd/Co Bi-Layer and Pd/Co/Pd Tri-Layer Films

C. Lueng,F. Zighem,D. Faurie,M. Kostylev

2017 IEEE International Magnetics Conference (INTERMAG)（2017）

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摘要

The interface perpendicular magnetic anisotropy (PMA) is known to be induced at the interface between a ferromagnetic metal (FM) layer and a non-magnetic (NM) heavy-metal layer such as Platinum or Palladium (Pd) in a FM/NM bilayer or multilayer film.In the present work, we grow Pd/Cobalt bi-layer and Pd/Co/Pd continuous tri-layer films on rigid silicon (Si, Young's modulus of 200 GPa) substrates and on flexible Kapton ® (Kpt, Young's modulus of 4 GPa) and expose the grown films to hydrogen gas (H 2 ) or elastic stress.The films are deposited with magnetron sputtering.We also investigate deformation (bending) of the films.

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关键词

ferromagnetic resonance,perpendicular magnetic anisotropy,bilayer thin films,trilayer thin films,ferromagnetic metal layer,multilayer,silicon substrates,flexible Kapton® substrates,Young's modulus,hydrogen gas,elastic stress,magnetron sputtering,deformation,bending,Pd-Co,Pd-Co-Pd,Si

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