Purpose. Solving the problem of increasing pumping equipment operational lifetime when pumping-out contaminated groundwater in iron-ore industry by extracting hard, abrasive part, using magnetic filters based on permanent ferrite magnets. Methods. To produce spherical hard-magnetic elements that catch finely-dispersed and weakly-magnetic particles industry, barium powder BaО∙6Fe2O3 is applied, ...

Developing a method for preparing Ni and Mn ferrites was the main objective of this study due to importance these materials in high-frequency applications. These were made by assisting combustion with dried leaves Corchorus olitorius then heating them 700 °C. Several methods, including FTIR, XRD, TEM, SEM/EDX, used characterize ferrites. The thermal behavior, surface magnetic properties as-prep...

We demonstrate in this paper the feasibility to elaborate rare-earth free permanent magnets based on cobalt nanorods assemblies with energy product (BH)max exceeding 150 kJ m(-3). The cobalt rods were prepared by the polyol process and assembled from wet suspensions under a magnetic field. Magnetization loops of dense assemblies with remanence to a saturation of 0.99 and squareness of 0.96 were...

A major issue in the industrial sector is highly efficient and economical treatment of hazardous dye-based colour effluents. Spinel ferrite nanoparticles are more prominent for their unique qualities, such as optical, catalytic, electrical, magnetic properties. Moreover, physical characteristics ferrites may be influenced well catalytic properties by substituting metals like magnesium. In this ...

The Nickel substituted Cu-Co-Zn-Ce nano ferrites, Zn0.15Co0.45Cu0.40-xNix Fe1.85Ce0.15O4 with x=0, 0.1, 0.20, 0.30, 0.40, were synthesized using the coprecipitation technique. sample sintered at 900 ℃ for 5h. structural, electrical, dielectric and magnetic properties of all prepared samples characterized by XRD, SMU2401, UV-Vis FTIR. powder X-ray diffraction patterns confirmed formation single-...

Nanomagnetic structures of hydrothermal NiZn ferrites sintered at various temperatures was studied in this work through Magnetic Force Microscopy (MFM) using different magnetically characterized tips. The magnetic patterns varied according to the tip employed and were correlated to the magnetic induced field generated by these different coated tips. NiZn ferrites were produced at 200°C by hydro...

We review the basic phenomenology of magnetic losses from DC to 1 GHz in commercial and laboratory-prepared soft ferrites considering recent concepts regarding their physical interpretation. This is based, on one hand, identification contributions magnetization process provided by spin rotations domain walls and, other concept loss separation. It additionally contemplates a distinction between ...

To be able to regulate anionic oxygen position in ferrites, an original compositing method is developed by introducing a porous p-type phase the n-type matrix of ferrite spinel semiconductors. A result this synergetic effect enhanced mass and charge transport, that impacted morphology within MgFe2O4 structure. Our hypothesis fine tuning ferrites allows us their physicochem...