Method for preparing low-temperature sintered high-dielectric constant gyromagnetic ferrite material

A method for preparing a low-temperature sintered high-dielectric constant gyromagnetic ferrite material, comprising the following steps:

• S1:
• taking Bi2O3, Y2O3, TiO2, CaCO3, V2O5, ZrO2 and Fe2O3 as initial raw materials, performing batching according to molecular formula of a gyromagnetic ferrite material, and then sequentially performing mixing, ball-milling, drying and pre-sintering to obtain a pre-sintered material, wherein the molecular formula is Bi1.45Ti0.1Y1.55-2x-yCa2x+yVxZry-0.1Fe5-y-xO12, x is 0.6-0.65, y is 0.25-0.35, and 1.55-2x-y is ≥0;
• S2:
• after the pre-sintered material is coarsely crushed, adding a BBSZ glass and MoO3, performing secondary ball-milling, and drying to obtain a re-dried material;
• and
• S3:
• sequentially granulating, press-molding and sintering the re-dried material to obtain a gyromagnetic ferrite material.