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Recently, the exchange bias (EB) phenomenon in the ferromagnet/antiferromagnet (FM/AFM) bilayer and its inborn instability effect, i.e., training effect [1], have attracted much attention for its great technological importance in spintronic devices. Usually, the study of training effect is performed by continuously recording the exchange field (HE) and the coercivity (HC) after measuring an entire...
Electric field control of the ferromagnetic magnetization process has become increasingly important because its great potential applications for thememory device, magnetic logic, magneto-electric sensor and the integration of magnetic functionalities into electronic circuits [1,2]. Since the magneto crystalline anisotropy is originated from the spin-orbital coupling of the materials, modification...
Controlling the magnetism by means of electric fields is a key issue for the future development of low-power spintronics1. Usually, electric-field can control the magnetic materials by oxide-gate structures2. But this approach has a low regulatory capacity drawback than a way of controlled on BaTiO3 (BTO) by the magnetoelectricity coupling, such as the experiments of FeRh/BaTiO33, BaTiO3/La0.67Sr0.33...
In recent years, because of the intriguing prospect of their applications in the next generation of spintronic devices, diluted magnetic semiconductors (DMSs) have stimulated intense interest, typically III-V or II-VI semiconductors exhibiting magnetic order upon doping with a few percent of magnetic elements, like Fe, Co or Mn. Search for intrinsic high Curie temperature DMSs has become a fascinating...
In this research, the magnetic properties of Ni78Fe22 thin films by low doping of Tb additives are investigated. The composition of the films was determined by energy dispersive X-ray fluorescence spectrometer (EDS), and the structure of the films with different concentration of Tb was investigated by X-ray diffraction (XRD). The static magnetic properties were measured by Vibrating Sample magnetometer...
In this presented work, both top and bottom pinning FeNi/FeMn bialyers were prepared by sputtering with an external field applied in the film plane during deposition. The training processes were performed with a vector vibrating sample magnetometer (VVSM) through which Mx and My can be measured simultaneously. Before the tuning process, ten loops were measured at an angle of six degrees with respect...
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