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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Salt-assisted combustion synthesis of highly dispersed superparamagnetic CoFe_2O_4 nanoparticles
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Salt-assisted combustion synthesis of highly dispersed superparamagnetic CoFe_2O_4 nanoparticles

机译：高分散超顺磁性CoFe_2O_4纳米粒子的盐辅助燃烧合成

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摘要

Highly dispersed spinel CoFe_2O_4 nanoparticles with average size of about 10 nm were successfully prepared by a novel salt-assisted combustion process. The effects of KC1 and calcination temperature on the properties of the products were investigated by X-ray diffraction, transmission electron microscopy and Brunnauer-Emmet-Teller method. The results indicated that the obtained CoFe_2O_4 nanoparticles had small particle size, well crystallinity and dispersibility, and large BET surface area. Moreover, the magnetic property of CoFe_2O_4 was measured by superconducting quantum interference device. Magnetization studies at room temperature showed superparamagnetic behavior of the obtained CoFe_2O_4 nanoparticles.
机译：通过新型的盐助燃烧工艺成功制备了平均粒径约10 nm的高分散尖晶石CoFe_2O_4纳米颗粒。通过X射线衍射，透射电镜和Brunnauer-Emmet-Teller法研究了KCl和煅烧温度对产物性能的影响。结果表明，所制得的CoFe_2O_4纳米颗粒粒径小，结晶度和分散性好，且BET表面积大。此外，通过超导量子干涉仪测量了CoFe_2O_4的磁性。在室温下的磁化研究表明所获得的CoFe_2O_4纳米粒子的超顺磁行为。

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