A solution for the preparation of hexagonal M-type SrFe12O19 ferrite using egg-white: Structural and magnetic properties

被引：18

作者：

Li, Tingting ^{[1
]}

Li, Yang ^{[1
]}

Wu, Ruonan ^{[1
]}

Zhou, Han ^{[1
]}

Fang, Xiaochen ^{[1
]}

Su, Shubing ^{[2
]}

Xia, Ailin ^{[1
]}

Jin, Chuangui ^{[1
]}

Liu, Xianguo ^{[1
]}

机构：

[1] Anhui Univ Technol, Sch Mat Sci & Engn, Anhui Key Lab Metal Mat & Proc, Maanshan 243002, Peoples R China

[2] Ningbo Univ Technol, Sch Elect & Informat Engn, Ningbo 315016, Peoples R China

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2015年 / 393卷

基金：

中国国家自然科学基金;

关键词：

SrFe12O19; Sol-gel method; Egg-white; Structural properties; Magnetic properties; HYDROTHERMAL SYNTHESIS; STRONTIUM HEXAFERRITE; NI; NANOPARTICLES; TEMPERATURE; COERCIVITY; MICROWAVE; CU;

D O I：

10.1016/j.jmmm.2015.05.088

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new sol-gel route using egg white as the binder of metal ions, is developed to prepare hexagonal M-LYpe SrFe12O19 ferrite in this study, and the effects of different atomic ratio of Sr and Fe (Sr/Fe), sintering temperature (T-s) and usage of egg white (M-ew) on the phase formation, morphology and magnetic properties of specimens are studied. It is found that the single-phase SrFe12O19 ferrite only can be obtained under a Sr/Fe of 1:8 and a T-s between 1000 degrees C and 1300 degrees C. The magnetic properties of specimens are also obviously affected by the different Sr/Fe and T-s, primarily due to the emergency of impurities. The Me, has an obvious impact on the crystallinity of specimens, which consequently affects their magnetic properties. In our study, the optimum conditions to prepare the single-phase SrFe12O19 ferrite are Sr/Fe=1:8, M-ew= 3 g and T-s =1200 degrees C. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：325 / 330

页数：6

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