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Dysprosium-nickel co-doped strontium ferrite material and preparation method thereof
The invention belongs to the field of materials, and particularly relates to a dysprosium-nickel co-doped strontium ferrite material and a preparation method thereof. The dysprosium-nickel co-doped strontium ferrite material has a molecular formula of Sr < 1-x > DyxFe < 12-x > Ni < x > O < 19 >, and x is more than 0 and less than or equal to 0.1. According to the preparation method of the dysprosium-nickel co-doped strontium ferrite material, based on Sr < 1-x > DyxFe < 12-x > Ni < x > O19 ferrite, 0.5% of CuO and 1.25% of Bi2O3 are introduced into pre-sintered powder to serve as additives to promote grain growth, so that the compactness of the ferrite is improved while the sintering temperature is reduced, the preparation process is simple, the process is free of pollution, and the preparation method is suitable for industrial production. The obtained material has high saturation magnetization and low coercive force.
本发明属于材料领域，具体涉及一种镝镍共掺杂锶铁氧体材料及其制备方法。镝镍共掺杂锶铁氧体材料的分子式为：Sr1‑xDyxFe12‑xNixO19，其中，0＜x≤0.1。镝镍共掺杂锶铁氧体材料的制备方法是以Sr1‑xDyxFe12‑xNixO19铁氧体为基础，向预烧后的粉料中引入0.5%的CuO和1.25%的Bi2O3作为添加剂，来促进晶粒生长，以起到降低烧结温度的同时提高铁氧体的致密性，制备工艺简单，过程无污染，所得材料获得了较高的饱和磁化强度以及低的矫顽力。
Dysprosium-nickel co-doped strontium ferrite material and preparation method thereof
The invention belongs to the field of materials, and particularly relates to a dysprosium-nickel co-doped strontium ferrite material and a preparation method thereof. The dysprosium-nickel co-doped strontium ferrite material has a molecular formula of Sr < 1-x > DyxFe < 12-x > Ni < x > O < 19 >, and x is more than 0 and less than or equal to 0.1. According to the preparation method of the dysprosium-nickel co-doped strontium ferrite material, based on Sr < 1-x > DyxFe < 12-x > Ni < x > O19 ferrite, 0.5% of CuO and 1.25% of Bi2O3 are introduced into pre-sintered powder to serve as additives to promote grain growth, so that the compactness of the ferrite is improved while the sintering temperature is reduced, the preparation process is simple, the process is free of pollution, and the preparation method is suitable for industrial production. The obtained material has high saturation magnetization and low coercive force.
本发明属于材料领域，具体涉及一种镝镍共掺杂锶铁氧体材料及其制备方法。镝镍共掺杂锶铁氧体材料的分子式为：Sr1‑xDyxFe12‑xNixO19，其中，0＜x≤0.1。镝镍共掺杂锶铁氧体材料的制备方法是以Sr1‑xDyxFe12‑xNixO19铁氧体为基础，向预烧后的粉料中引入0.5%的CuO和1.25%的Bi2O3作为添加剂，来促进晶粒生长，以起到降低烧结温度的同时提高铁氧体的致密性，制备工艺简单，过程无污染，所得材料获得了较高的饱和磁化强度以及低的矫顽力。
Dysprosium-nickel co-doped strontium ferrite material and preparation method thereof
一种镝镍共掺杂锶铁氧体材料及其制备方法
LI LEZHONG (Autor:in) / MAO RUODING (Autor:in) / HUANG SHENGJIANG (Autor:in) / LI YILEI (Autor:in)
29.12.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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