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Synthesis and magnetic properties of FeO/helical carbon nanofiber nanocomposites from the catalytic pyrolysis of ferrocene.
- Source :
- Chinese Science Bulletin; Nov2011, Vol. 56 Issue 30, p3199-3203, 5p
- Publication Year :
- 2011
-
Abstract
- High purity FeO/helical carbon nanofiber composites were obtained on a large scale by the catalytic pyrolysis of ferrocene in the presence of tin powder at 500°C over 12 h. The sizes of FeO nanoparticles are 35-65 nm in size, and the diameters of the helical carbon nanofibers range from 40-70 nm. The shapes and compositions of the nanocomposites are simply controlled by adjusting the reaction temperatures. On the basis of the obtained experimental results the formation of the helical FeO/carbon nanofiber composites was investigated and discussed. The magnetic hysteresis loop of the products shows ferromagnetic behavior with saturation magnetization ( M), remanent magnetization ( M) and coercivity ( H) values of ca. 29.8 emu/g, 9.6 emu/g and 306.6 Oe, respectively. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 10016538
- Volume :
- 56
- Issue :
- 30
- Database :
- Complementary Index
- Journal :
- Chinese Science Bulletin
- Publication Type :
- Academic Journal
- Accession number :
- 66256859
- Full Text :
- https://doi.org/10.1007/s11434-011-4653-2