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The coercivity enhancement of Nd-Fe-B based magnets is one of the key focuses for the related investigations because the experimental achieved coercivity is far less than the magnetic anisotropy field of the tetragonal Nd2Fe14B phase. Recently, the very high coercivities have been achieved in the sputter deposited Nd-Fe-B thick films and Nd-Ag diffused thin films [1]. However, it was experimentally...
Exchange bias effect is the unidirectional anisotropy induced by the interface between ferromagnetic (FM) and antiferromagnetic (AFM) layers below the Neél temperature of antiferromagnetic materials, leading to a shift of hysteresis loop. The effect of exchange bias has been studied for many years because of its possible application in spintronics, especially in spin valves for magnetic recording...
Ferromagnetic materials with perpendicular magnetic anisotropy (PMA) have great attention due to the high thermal stability and low switching current density for next generation memory devices such as spin-transfer-torque magnetic random access memory (STT-MRAM). The amorphous CoSiB/Pt multilayers are one of PMA candidates as STT-MRAM free layers and domain wall (DW) logic devices.[1] In this paper,...
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