نتایج جستجو برای: soft magnetic materials
تعداد نتایج: 867362 فیلتر نتایج به سال:
FeCo alloys are important soft magnetic materials with the highest saturation magnetizations, high Curie temperature, permeability, and low losses. In this study, 3D interconnected nanoporous (3DNP) were produced by liquid metal dealloying (LMD). Ni atoms selectively dissolved from (FeCo)xNi100−x precursor into Mg metallic melt, Fe Co self-organized 3DNP structures. Morphology grain boundary ch...
The outstanding properties of selected soft magnetic materials make them successful candidates for building high performance sensors. In this paper we present our recent work regarding different sensing technologies based on the coupling of the magnetic properties of soft magnetic materials with their electric or elastic properties. In first place we report the influence on the magneto-impedanc...
We present a microscopical model of the domain wall motion through a disordered medium. Unlike a previous phenomenological model, which explains most of the experimental data, the disorder is supposed to be uncorrelated. The dynamical equation of the motion has a upper critical dimension of 3, so that a mean field description is suitable to describe soft magnetic materials. It is shown that the...
Magnetic spiral structures can exhibit ferroelectric moments as recently demonstrated in various multiferroic materials. In such case the helicity of the magnetic spiral is directly correlated with the direction of the ferroelectric moment and measurement of the helicity of magnetic structures is of current interest. We used soft x-ray resonant diffraction with circular polarized incident radia...
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