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 | Nanotech 2004 Vol. 3
Technical Proceedings of the 2004 NSTI Nanotechnology Conference and Trade Show, Volume 3
Chapter 6: Nano Composites |
| | Synthesis of Spinel Ferrite Particle/Organic Hybrid from Metal-Organics | | Authors: | T. Yogo, S. Nakamura and W. Sakamoto | | Affilation: | Nagoya University, JP | | Pages: | 296 - 299 | | Keywords: | spinel ferrite, metal-organics, hydrolysis, magnetic properties, hybrid | | Abstract: | Spinel particle/organic hybrids were succsessfully synthesized from metal-organics below 100oC. Chlated iron- (iron allylacetylacetonate) and nickel-organics were used as starting materials. Two nickel-metal organics (nickel acetylacetonate (NA) and nickel diammine propenylacetylacetonate (NPA)) were investigated. The hybrid materials were characterized by XRD, FT-IR, TEM and VSM. Nano-sized nickel ferrite particles were unformly crystallized in an organic matrix via controlled hydrolysis of starting metal-oragnics. TEM and SAD revealed the uniform dispersion of crystalline nickel ferrite particles below 10 nm. The chemical bond between nanoparticles and chelated organics was confirmed by FT-IR. Nickel ferrite particles from NPA revealed higher crystallinity and saturation magnetization than those from NA. Both hybrids showed the superparamagnetic behavior at 300K due to nano-sized particles. | | ISBN: | 0-9728422-9-2 |
| Pages: | 561 |
| Hardcopy: | $150.00 |
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