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Investigations of Ce-Zn co-substitution on crystal structure and ferrimagnetic properties of M-type strontium hexaferrites Sr1-Ce Fe12-Zn O19 compounds
Journal of Alloys and Compounds ( IF 5.8 ) Pub Date : 2019-05-01 , DOI: 10.1016/j.jallcom.2019.01.182
Chaocheng Liu , Xucai Kan , Feng Hu , Xiansong Liu , Shuangjiu Feng , Jiyu Hu , Wei Wang , Khalid Mehmood Ur Rehman , Mudssir Shezad , Cong Zhang , Haohao Li , Shengqiang Zhou , Qiuyue Wu

Abstract Herein, we have systematically illustrated the specific impact of Ce-Zn co-substituted M-type strontium hexaferrites on its microstructure and magnetic properties. An evident phase pattern change process and performance improvement are observed from a series of systematic measurements. The results of X-ray diffraction show that the single phase can be obtained when x = 0.00–0.30, the other unexpected diffraction peaks of hematite (α-Fe2O3) will appear in the patterns as x > 0.3. Scanning electron microscopy exhibits that all samples formed the uniform plane hexagonal structures with different substitution contents. FT-IR spectra verify the confirmation that M-type hexagonal structure has been formed thoroughly. M(T) curve displays the ferrimagnetic behavior of temperature dependent magnetization. And vibrating sample magnetometer indicates both Ms and Hc can be improved significantly, indicating an excellent performance in novel recording devices.

中文翻译:

Ce-Zn共取代对M型锶六铁氧体Sr1-Ce Fe12-Zn O19化合物晶体结构和亚铁磁性的研究

摘要 在此,我们系统地阐述了 Ce-Zn 共取代的 M 型锶六铁氧体对其微观结构和磁性能的具体影响。从一系列系统测量中可以观察到明显的相位模式变化过程和性能改进。X 射线衍射结果表明,当 x = 0.00-0.30 时可以获得单相,其他意想不到的赤铁矿 (α-Fe2O3) 衍射峰将出现在 x > 0.3 的图案中。扫描电子显微镜显示所有样品均形成具有不同取代含量的均匀平面六边形结构。FT-IR 光谱验证了 M 型六边形结构已经完全形成的确认。M(T) 曲线显示了随温度变化的磁化强度的亚铁磁行为。
更新日期:2019-05-01
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