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通过对α-氢氧化钴胶体分散单层进行溶剂热分解制备亚铁磁性纳米颗粒状Co₃O₄ 。

Ferrimagnetic nanogranular Co3O4 through solvothermal decomposition of colloidally dispersed monolayers of alpha-cobalt hydroxide.

作者信息

Nethravathi C, Sen Sonia, Ravishankar N, Rajamathi Michael, Pietzonka Clemens, Harbrecht Bernd

机构信息

Department of Chemistry, St. Joseph's College, 36, Lalbagh Road, Bangalore 560 027, India.

出版信息

J Phys Chem B. 2005 Jun 16;109(23):11468-72. doi: 10.1021/jp050725v.

DOI:10.1021/jp050725v
PMID:16852404
Abstract

Co3O4 nanoparticles of 35 nm with a cauliflower-like morphology were obtained when a monolayer colloidal dispersion of dodecyl sulfate intercalated alpha-cobalt hydroxide in butanol was subjected to solvothermal hydrolytic decomposition. The nanogranular particles exhibit weakly ferromagnetic properties in contrast with both bulk and dispersed nanoparticulate Co3O4.

摘要

当十二烷基硫酸盐插层的α-氢氧化钴在丁醇中的单层胶体分散体进行溶剂热水解分解时，可获得具有菜花状形态的35纳米四氧化三钴纳米颗粒。与块状和分散的纳米颗粒四氧化三钴相比，这些纳米颗粒表现出弱铁磁性。

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