Ferrite magnets are made from BaFe1₂O₁9 and SrFe1₂O₁9. They are manufactured using ceramic processes and have a hard texture, making them brittle materials. Due to their excellent temperature resistance, low cost, and moderate performance, they have become the most widely used permanent magnets. Ferroferric magnet properties: It has high magnetic performance, good time stability, and a low temperature coefficient. Applications of ferrites: Widely used in electricity meters, instruments, motors, automatic control systems, microwave components, radar, etc. Ferrite magnet magnetization direction: Axial, radial, or as required. Ferrite magnet shapes: Cylindrical, ring-shaped, rectangular, flat, tile-shaped, and axe-shaped forms can be produced. Ferrite is also known as ferric oxide or magnetic porcelain. It is a type of non-metallic magnetic material. It is a composite oxide (or ferricate) consisting of magnetic iron oxide combined with one or more metal oxides. Ferrite is magnetic and exhibits higher magnetic permeability at high frequencies (compared to metallic magnetic materials); its resistivity is much greater than that of metallic magnetic materials, along with superior dielectric properties. Magnetite FeO·Fe2O3 is the simplest form of ferrite. Typically, ferrite consists of elements with unpaired electrons in the d or f subshells, especially divalent metal ions with a radius close to that of divalent iron ions, such as manganese, zinc, copper, nickel, magnesium, cobalt, etc. It can also be composed of rare earth element ions or ions from gallium, aluminum, bismuth, barium, strontium, etc.
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