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Structural Ordering and Magnetic Property of Complex Perovskite Solid Solution (1-x)Pb(Fe2/3W1/3)O-3-xPb(Mg1/2W1/2)O-3
Yao Chun-Fa; Li Cai-Fu; Liu Zhi-Quan; Shang Jian-Ku
Corresponding AuthorYao Chun-Fa(c.f.yao@163.com)
2011-06-01
Source PublicationJOURNAL OF INORGANIC MATERIALS
ISSN1000-324X
Volume26Issue:6Pages:649-654
AbstractPb(Fe2/3W1/3)O-3 was modified by doping Pb(Mg1/2W1/2)O-3 with Sol-Gel method using inorganic salts as precursors. At calcination temperature of 700 degrees C, the resulted solid solution (1-x)Pb(Fe2/3W1/3)O-3-xPb(Mg1/2W1/2)O-3 kept a perovskite structure in the whole doping range of 0 <= x <= 1. The obtained Pb(Mg1/2W1/2)O-3 (x=1) fully ordered with a unit cell as two times as that of Pb(Fe2/3W1/3)O-3 (x=0). Solid solution (1-x)Pb(Fe2/3W1/3)O-3-xPb(Mg1/3W1/2)O-3 (0 < x < 1.0) also has an ordered crystal structure showing supperlattice peaks of 1/2 (111) and 1/2 (311) in X-ray diffraction, whose intensities become stronger as x increases. Combining electron diffraction and elemental analysis in transmission electron microscope, solid solution (1-x)Pb(Fe2/3W1/3)O-3-xPb(Mg1/2W1/2)O-3 is verified as a single phase with perovskite structure, rather than a mixture of two phases. The particles of solid solution have a cubic morphology, and their grain size first decreases and then increases when doping coefficient x varies from 0.2 to 0.8. Due to the substitution of larger Mg2+ for smaller Fe3+ ions, its lattice constant increases linearly with the enhancement of x. According to the measured M-H curves, the magnetic performance of the solid solution decays as the doping coefficient x increases, because the formation of diamagnetic Pb(Mg1/2W1/2)O-3 could destroy the -Fe3+-W-O-W-Fe3+ - and Fe3+-O-Fe3+ - magnetic bonds in antiferromagnetic Pb(Fe2/3W1/3)O-3 phase.
Keywordmultiferroic perovskite Sol-Gel ordering magnetic property
Funding OrganizationNational Basic Research Program of China ; Chinese Academy of Sciences
DOI10.3724/SP.J.1077.2011.00649
Indexed BySCI
Language英语
Funding ProjectNational Basic Research Program of China[2010CB6310006] ; Chinese Academy of Sciences
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
WOS IDWOS:000292534400015
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/106249
Collection中国科学院金属研究所
Corresponding AuthorYao Chun-Fa
AffiliationChinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Yao Chun-Fa,Li Cai-Fu,Liu Zhi-Quan,et al. Structural Ordering and Magnetic Property of Complex Perovskite Solid Solution (1-x)Pb(Fe2/3W1/3)O-3-xPb(Mg1/2W1/2)O-3[J]. JOURNAL OF INORGANIC MATERIALS,2011,26(6):649-654.
APA Yao Chun-Fa,Li Cai-Fu,Liu Zhi-Quan,&Shang Jian-Ku.(2011).Structural Ordering and Magnetic Property of Complex Perovskite Solid Solution (1-x)Pb(Fe2/3W1/3)O-3-xPb(Mg1/2W1/2)O-3.JOURNAL OF INORGANIC MATERIALS,26(6),649-654.
MLA Yao Chun-Fa,et al."Structural Ordering and Magnetic Property of Complex Perovskite Solid Solution (1-x)Pb(Fe2/3W1/3)O-3-xPb(Mg1/2W1/2)O-3".JOURNAL OF INORGANIC MATERIALS 26.6(2011):649-654.
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