High-dielectric-constant high-power microwave ferrite material and preparation method thereof

The invention discloses a high-dielectric constant high-power microwave ferrite material, which belongs to the technical field of microwave and magnetic materials, the chemical formula of the material is Y < 3-x-y-b-c-d-e-f > Bi < x > La < y > Luz G < a > Nd < b > Sm < c > Dy < d > Cae + f S < e > Zr < f > Fe < 5-delta-e-fO12, 0.8 < = x < = 1.6, 0 < = y + z < = 0.2, 0 < = a < = 0.7, 0 < = b + c < = 0.06, 0.005 < = d < = 0.05, 0.25 < = e + f < = 0.55, delta is iron deficiency, 0.03 < = delta < = 0.1, and the invention also discloses a preparation method of the material. The garnet type microwave ferrite material with high dielectric constant (referred to in the invention as relative dielectric constant epsilon r) and high power has the characteristics of high dielectric constant and high power, and has excellent electromagnetic performance; the relative dielectric constant epsilon r is larger than 20, the dielectric loss tan delta epsilon is smaller than 2 * 10 , the spin wave line width delta Hk is large