Fabrication and magnetic property of novel (Co,Zn,Fe,Mn,Ni)3O4 high-entropy spinel oxide

被引：21
|
作者：
Dai, Saifei [1 ,2 ]
Li, Mingya [1 ,2 ]
Wang, Xiaoqiang [1 ,2 ]
Zhu, Haiyang [1 ,2 ]
Zhao, Yihan [1 ,2 ]
Wu, Zhisheng [1 ,2 ]
机构：
[1] Key Lab Dielect & Electrolyte Funct Mat Hebei Pro, Qinhuangdao 066004, Hebei, Peoples R China
[2] Northeastern Univ Qinhuangdao, Sch Nat Resources & Mat Sci, Qinhuangdao 066004, Hebei, Peoples R China
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2021年 / 536卷
基金：
中国国家自然科学基金;
关键词：
High-entropy oxides; Spinel; Magnetic materials; Crystal structure; ELECTRICAL-PROPERTIES; FERRITE; SUBSTITUTION; NANOPARTICLES; ZN;
D O I：
10.1016/j.jmmm.2021.168123
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new high-entropy spinel oxide, namely (Co,Zn,Fe,Mn,Ni)3O4, has been prepared by solution combustion synthesis method at different temperatures from 350 C to 750 C. The structure and magnetic property are compared with those of (Co,Cr,Fe,Mn,Ni)3O4, (Zn,Cr,Fe,Mn,Ni)3O4 and (Co,Cr,Fe,Mn,Zn)3O4. The X-ray diffraction demonstrates all samples are single-phase spinel structure. Their lattice parameters decrease with reduction in the ionic radius of Cr3+, Zn2+, Co2+ and Ni2+. The energy dispersive spectrum spectra and mapping show a random, uniform and equiatomic distribution of all the elements. Further, magnetic moment and crystallite size can be controlled through the components of high-entropy oxides, to achieve tailorable magnetic property.
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页数：4
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