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Synthesis of polycrystalline CoFe2O4 and NiFe2O4 powders by auto-combustion method using a novel amino-based gel
Jiang, Linwen1; Yang, Shanshan; Zheng, Mengyao; Wu, Anhua2; Chen, Hongbing1
2017
Source PublicationMATERIALS RESEARCH EXPRESS
ISSN2053-1591
Volume4Issue:12
AbstractPolycrystalline CoFe2O4/NiFe2O4 powders were prepared by auto-combustion method using a novel amino-based gel. The thermal evolution of gel precursors, as well as the microstructure, morphology and magnetic properties of as-synthesized powders were studied in detail. Energy dispersive x-ray spectroscopy indicated that the ratios of Ni:Fe was close to the theoretical value (Ni:Fe = 1: 2), suggesting high purity of synthesized NiFe2O4 powders. The saturated magnetization (M-s) and residual magnetization (Mr) of CoFe2O4 were highly dependent upon the annealed temperatures. The Ms increased from 77.5 to 84.7 emu g(-1), and Mr increased from 37.7 emu g(-1) to 42.5 emu g(-1) by annealing from room temperature to 600 degrees C. The Ms of NiFe2O4 was 38.7 emu g(-1), much lower than that of CoFe2O4. The experimental results indicated that this auto-combustion method using amino-based gel was a suitable method for synthesizing high-quality CoFe2O4/NiFe2O4 powders.
DOI10.1088/2053-1591/aa9b10
WOS IDWOS:000417565800002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26624
Collection中国科学院上海硅酸盐研究所
Affiliation1.Ningbo Univ, State Key Base Funct Mat & Preparat Sci, Ningbo 315211, Zhejiang, Peoples R China
2.Ningbo Univ, Key Lab Photoelect Detect Mat & Devices Zhejiang P, Ningbo 315211, Zhejiang, Peoples R China
3.Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Linwen,Yang, Shanshan,Zheng, Mengyao,et al. Synthesis of polycrystalline CoFe2O4 and NiFe2O4 powders by auto-combustion method using a novel amino-based gel[J]. MATERIALS RESEARCH EXPRESS,2017,4(12).
APA Jiang, Linwen,Yang, Shanshan,Zheng, Mengyao,Wu, Anhua,&Chen, Hongbing.(2017).Synthesis of polycrystalline CoFe2O4 and NiFe2O4 powders by auto-combustion method using a novel amino-based gel.MATERIALS RESEARCH EXPRESS,4(12).
MLA Jiang, Linwen,et al."Synthesis of polycrystalline CoFe2O4 and NiFe2O4 powders by auto-combustion method using a novel amino-based gel".MATERIALS RESEARCH EXPRESS 4.12(2017).
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