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The Tb(4 nm)/Cr(${t}$ nm)/Fe(5 nm) trilayers with different thicknesses of Cr layer have been investigated by X-ray diffraction, vibrating sample magnetometer, and ferromagnetic resonance. When Cr is thinner than 1.8 nm, the ferromagnetic coupling of Tb and Fe leads to higher saturation magnetization ($M_{s}$ ) than that of Fe(5 nm) film. On the other hand, the Gilbert damping constant $\alpha $ ...
It is well-known that heavy Rare Earth (RE) metal of Tb, with stronger coupling of orbital and spin moments and anisotropic magnetism, can influence the magnetic properties of Fe based soft magnetism, especially tailor magnetization dynamic damping and in turn influence the magnetization switching time [1], [2], [3]. In our previous work, the dynamic damping of Fe-based films with dilute RE(Tb, Nd)...
Exchange coupling between a ferromagnet (FM) and an anti-ferromagnet (AFM) in a FM/AFM system has attracted great interests in the last decades due to its great impact on spintronics applications. However, there is a lack of a complete physical picture due to the difficulty of probing the spin structure at the FM/AFM interface. Because the so-called spin frustration at the FM/AFM interface plays a...
The anisotropic magnetoresistance (AMR) in epitaxial Au/Fe(001) bilayers grown on MgO(001) substrate was systematically studied as a function of Au thickness over the temperature range 6300K. The AMR oscillates with a period of about 1.8 nm in Au thickness at low temperatures and also oscillates at certain higher temperatures. Such novel oscillatory AMR behavior is attributed to quantum well states...
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