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Synthesis and magnetic properties of hard magnetic (CoFe2O4)-soft magnetic (Fe3O4) nano-composite ceramics by SPS technology
Fei, Chunlong1,2; Zhang, Yue1,2,3; Yang, Zhi1,2; Liu, Yong1,2; Xiong, Rui1,2,3; Shi, Jing1,2,4; Ruan, Xuefeng1,2
Corresponding AuthorXiong, Rui(wudawujiron@163.com)
2011-07-01
Source PublicationJOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
ISSN0304-8853
Volume323Issue:13Pages:1811-1816
AbstractCoFe2O4/Fe3O4 nano-composite ceramics were synthesized by Spark Plasma Sintering. The X-ray diffraction patterns show that all samples are composed of CoFe2O4 and Fe3O4 phases when the sintering temperature is below 900 degrees C. It is found that the magnetic properties strongly depend on the sintering temperature. The two-step hysteresis loops for samples sintered below 500 degrees C are observed, but when sintering temperature reaches 500 degrees C, the step disappears, which indicates that the CoFe2O4 and Fe3O4 are well exchange coupled. As the sintering temperature increases from 500 to 800 degrees C, the results of X-ray diffractometer indicate the constriction of crystalline regions due to the ion diffusion at the interfaces of CoFe2O4/Fe3O4 phases, which have great impact on the magnetic properties. (C) 2011 Elsevier B. V. All rights reserved.
KeywordCoFe2O4/Fe3O4 nano-composite ceramic Exchange spring behavior SPS Magnetic property
Funding OrganizationNational Natural Science Foundation of China ; 973 Program ; NSFC ; Fostering Talents in Basic Science of the National Science Foundation of China ; Wuhan University
DOI10.1016/j.jmmm.2011.02.014
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[10974148] ; 973 Program[2009CB939705] ; NSFC[51002055] ; Fostering Talents in Basic Science of the National Science Foundation of China[J0830310] ; Wuhan University[5082003]
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Condensed Matter
WOS IDWOS:000288486700013
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:53[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/105898
Collection中国科学院金属研究所
Corresponding AuthorXiong, Rui
Affiliation1.Wuhan Univ, Key Lab Artificial Micro & Nano Struct, Minist Educ, Wuhan 430072, Peoples R China
2.Wuhan Univ, Sch Phys & Technol, Hubei Key Lab Organ & Polymer Optoelect Mat, Wuhan 430072, Peoples R China
3.Hubei Univ, Minist Educ, Key Lab Green Preparat & Applicat Funct Mat, Wuhan 430062, Peoples R China
4.Acad Sinica, Int Ctr Mat Phys, Shenyang 110015, Peoples R China
Recommended Citation
GB/T 7714
Fei, Chunlong,Zhang, Yue,Yang, Zhi,et al. Synthesis and magnetic properties of hard magnetic (CoFe2O4)-soft magnetic (Fe3O4) nano-composite ceramics by SPS technology[J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,2011,323(13):1811-1816.
APA Fei, Chunlong.,Zhang, Yue.,Yang, Zhi.,Liu, Yong.,Xiong, Rui.,...&Ruan, Xuefeng.(2011).Synthesis and magnetic properties of hard magnetic (CoFe2O4)-soft magnetic (Fe3O4) nano-composite ceramics by SPS technology.JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,323(13),1811-1816.
MLA Fei, Chunlong,et al."Synthesis and magnetic properties of hard magnetic (CoFe2O4)-soft magnetic (Fe3O4) nano-composite ceramics by SPS technology".JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 323.13(2011):1811-1816.
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