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Garnet ferrite material with high dielectric constant and medium saturation magnetization and preparation method thereof
The invention discloses a garnet ferrite material with high dielectric constant and medium saturation magnetization and a preparation method thereof, and relates to a material technology. The chemical formula of the garnet ferrite material is BiaCabYcZrdVeFe5-d-e-deltaO12, 0 < = a < = 1.2, 0 < = b < = 1.46, 0.34 < = c < = 1.8, 0 < = d < = 0.45, 0 < = e < = 0.505, 0 < = delta0.3, and deltais iron deficiency. The dielectric constant of the garnet ferrite material is 23-25, the garnet ferrite material has medium saturation magnetization, ferromagnetic resonance line width can be as low as 30Oe, dielectric loss is as low as 2.0 * 10 <-4 >, Curie temperature reaches up to 205 DEG C, and other rare earth elements except yttrium are not used. The material not only can effectively reduce the size of a microwave ferrite device, but also can reduce the insertion loss of the device and increase the bandwidth of the device, and is low in cost.
高介电中等饱和磁化强度石榴石铁氧体材料及制备方法，涉及材料技术。本发明的石榴石铁氧体材料化学式为BiaCabYcZrdVeFe5‑d‑e‑δO12，其中，0≤a≤1.2，0≤b≤1.46，0.34≤c≤1.8，0≤d≤0.45，0≤e≤0.505，0≤δ≤0.3，δ为缺铁量。本发明的石榴石铁氧体材料的介电常数为23～25，且同时具有中等的饱和磁化强度、铁磁共振线宽可低至30Oe、介电损耗低至2.0×10‑4、居里温度高达205℃，未使用除钇以外的其他稀土元素。该材料不仅可以有效降低微波铁氧体器件的尺寸，还可以降低器件的插入损耗，增加器件带宽，且成本低。
Garnet ferrite material with high dielectric constant and medium saturation magnetization and preparation method thereof
The invention discloses a garnet ferrite material with high dielectric constant and medium saturation magnetization and a preparation method thereof, and relates to a material technology. The chemical formula of the garnet ferrite material is BiaCabYcZrdVeFe5-d-e-deltaO12, 0 < = a < = 1.2, 0 < = b < = 1.46, 0.34 < = c < = 1.8, 0 < = d < = 0.45, 0 < = e < = 0.505, 0 < = delta0.3, and deltais iron deficiency. The dielectric constant of the garnet ferrite material is 23-25, the garnet ferrite material has medium saturation magnetization, ferromagnetic resonance line width can be as low as 30Oe, dielectric loss is as low as 2.0 * 10 <-4 >, Curie temperature reaches up to 205 DEG C, and other rare earth elements except yttrium are not used. The material not only can effectively reduce the size of a microwave ferrite device, but also can reduce the insertion loss of the device and increase the bandwidth of the device, and is low in cost.
高介电中等饱和磁化强度石榴石铁氧体材料及制备方法，涉及材料技术。本发明的石榴石铁氧体材料化学式为BiaCabYcZrdVeFe5‑d‑e‑δO12，其中，0≤a≤1.2，0≤b≤1.46，0.34≤c≤1.8，0≤d≤0.45，0≤e≤0.505，0≤δ≤0.3，δ为缺铁量。本发明的石榴石铁氧体材料的介电常数为23～25，且同时具有中等的饱和磁化强度、铁磁共振线宽可低至30Oe、介电损耗低至2.0×10‑4、居里温度高达205℃，未使用除钇以外的其他稀土元素。该材料不仅可以有效降低微波铁氧体器件的尺寸，还可以降低器件的插入损耗，增加器件带宽，且成本低。
Garnet ferrite material with high dielectric constant and medium saturation magnetization and preparation method thereof
高介电中等饱和磁化强度石榴石铁氧体材料及制备方法
JIANG XIAONA (author) / HUANG XIN (author) / LI LINGFENG (author) / SUN KE (author) / ZHANG FANGYUAN (author) / ZHANG XIAOFENG (author) / WANG CHAOMING (author) / YU ZHONG (author) / LAN ZHONGWEN (author)
2023-07-11
Patent
Electronic Resource
Chinese
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