A simple solution route to control synthesis of Fe304 nanomaterials at low temperature and their magnetic properties

• 来源期刊: 中国科学B辑(英文版)
• 年，卷（期）: 2009,（7）
• 页码范围: 916-923
• 页数: 8页
• 语种: 英文
• DOI: 10.1007/s11426-009-0101-4

摘要

A series of nanostructured iron compounds including cubic Fe304 and orthorhombic FeOOH were synthesized via a facile low temperature (in the range of 60-100℃) solution method.In the whole process,the interaction between FeCl2.4H2O and methenamine (CeH12N4) was carried out through a reflux device under different reaction conditions such as temperature,solvent,and duration.The samples were detected by XRD,TEM,SAED,physical property measurement system,and M(o)ssbauer spectroscopy,separately.The experiments showed that magnetic mixture nanoparticles had flake and rod morphologies,and cubic Fe304 took on grain nanostructure.Magnetism measurements indicated that the saturated magnetization of the as-obtained magnetic mixture was lower than that of the cubic magnetite.M6ssbauer spectroscopy testified the sample consisting of cubic magnetite rather than y-Fe2O3.In addition,a possible growth mechanism of cubic magnetic nanoparUcles under different conditions was discussed.