Journal article
Magnetic and structural properties of Co0.8MnxFe2.2-xO4 (x=0.2, 0.4, 0.6, 0.8) polycrystalline powders synthesized by sol-gel process
Journal of applied physics, v 105(7), p7
01 Apr 2009
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Abstract
Co0.8MnxFe2.2-xO4 (x=0.2, 0.4, 0.6, and 0.8) powders were prepared by a sol-gel process and annealed at different temperatures (T-a= 600, 800, 1000, and 1200 degrees C). X-ray diffractometer results reveal that all the samples are inverse-type spinel with cubic structure. The magnetic properties were measured by vibrating sample magnetometer and the results indicate that the saturated magnetization (M-s) and coercivity (H-c) decrease with increasing Mn content x. The decrease in M-s is related to the magnetic moment of Mn3+ is lower than that of Fe3+. The decrease in H-c is ascribed to the content decrease in Co2+ on B sites. Increasing grain sizes at higher annealing temperature (T-a) also have an intensive influence on H-c. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3072441]
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Details
- Title
- Magnetic and structural properties of Co0.8MnxFe2.2-xO4 (x=0.2, 0.4, 0.6, 0.8) polycrystalline powders synthesized by sol-gel process
- Creators
- Z. M. Lu - Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R ChinaZ. W. Li - Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R ChinaJ. Shen - Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R ChinaF. B. Meng - Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R ChinaH. Y. Liu - Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R ChinaY. X. Li - Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R ChinaC. Y. Li - Tianjin Med Univ, Stomatol Hosp, Tianjin 300070, Peoples R China
- Publication Details
- Journal of applied physics, v 105(7), p7
- Publisher
- American Institute of Physics
- Number of pages
- 2
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000266633500166
- Scopus ID
- 2-s2.0-65249109162
- Other Identifier
- 991019196711004721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Physics, Applied