Nano Archive

Preparation of three-dimensional nano-magnetite/chitosan rod

Hu, Qiaoling and Chen, Fuping and Li, Baoqiang and Shen, Jiacong (2006) Preparation of three-dimensional nano-magnetite/chitosan rod. Materials Letters, 60 (3). 368 - 370.

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Three-dimensional nano-magnetite/chitosan rod had been prepared via in situ precipitation method in the presence of suitable models. X-ray powder diffraction pattern indicated that the magnetite crystal size was about 11.5 nm. Transmission electron microscopy image showed that the nano-magnetite particles were dispersed homogenously in the chitosan matrix, also the layered structure of the rod could be viewed from the digital camera photos. From magnetic measurement we concluded that the saturated magnetic intensity (Ms) was about 49.5 emu/g, coercive force was zero. The results indicate that the as-prepared magnetite is super-paramagnetic.

Item Type:Article
Uncontrolled Keywords:Magnetite; Nano-composite; In situ precipitation; Chitosan
Subjects:Material Science > Nanofabrication processes and tools
Physical Science > Nanomagnetics
ID Code:6825
Deposited By:SPI
Deposited On:01 Oct 2009 17:59
Last Modified:01 Oct 2009 17:59

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