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| Preparation and properties of La-Co substituted M-type strontium ferrite |
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Received:May 05, 2022
Revised:June 20, 2022
Accepted:June 21, 2022
Published Online:August 17, 2022
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| DOI： |
| KeyWord:M-type strontium ferrite; Solid-state ball-milling method; La-Co substituted; magnetic properties |
| Author | Institution |
| xieguanghuan |
BGRIMM Technology Group Co. Ltd |
| sunwei |
BGRIMM Technology Group Co. Ltd |
| mabin |
矿冶科技集团有限公司 |
| zhangpengjie |
矿冶科技集团有限公司 |
| wangjiquan |
矿冶科技集团有限公司 |
| quanxiaokang |
矿冶科技集团有限公司 |
| liuhui |
矿冶科技集团有限公司 |
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| Abstract: |
| M-type strontium ferrite of La-Co substitution system was prepared by solid-state ball milling. The effects of La-Co substitution on the crystal structure, microstructure and magnetic properties of the samples were studied. Results show that the single substitution of CO2+ and the combined substitution of La-Co will change the lattice constant of the samples, and the prepared M-type strontium ferrite forms a hexagonal sheet structure. Compared with the single substitution of CO2+, La-Co combined substitution can effectively inhibit the growth of particles and distribute evenly. When the chemical composition of M-type strontium ferrite is Sr0.6La0.4Fe11.7Co0.3O19, the Hcj of the sample is the largest, reaching 407 kA/m, which is 88.65% higher than that of strontium ferrite SrFe12O19. |
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