Tuning magnetic anisotropy in ferromagnet/Pd multilayers via hydrogen gas

Jhen-Yong Hong^1*

¹Department of Physics, Tamkang University, New Taipei City, Taiwan

* Presenter:Jhen-Yong Hong, email:jyhong@mail.tku.edu.tw

Hydrogen gas induced modification of magnetic properties has been studied extensively in Pd-based magnetic thin films and multilayers using various measuring methods such as Kerr microscope and ferromagnetic resonance. Understanding the mechanism by which hydrogen affects magnetic anisotropy in representative ferromagnetic/nonmagnetic metal layers addressed intensive attention. In this study, we take Co/Pd and Fe/Pd multilayers as a model system that is widely studied in spintronics. The anisotropic magnetoresistance (AMR), planar Hall effect (PHE) and the Anomalous Hall effect (AHE) of Co/Pd and Fe/Pd multilayers with various hydrogen pressure are investigated to understand its underlying dynamics.

Keywords: anisotropic magnetoresistance (AMR), planar Hall effect (PHE), Anomalous Hall effect (AHE), spintronics, magnetic multilayers