期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 368, 期 1-3, 页码 1-5出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfa.2010.05.039
关键词
Nanostructures; Oxides Electron microscopy; Magnetic properties; Mixed solution
资金
- Natural Science Foundation of Anhui Province [KJ2008B172, KJ2010ZD07]
- National Science Foundation of China (NSFC) [20771006]
Uniform hematite microstructures can be prepared by a hydrothermal method by the use of ascorbic acid in an ethanol/water solvent mixture. At the same time, a reasonable mechanism for the growth of hematite microstructures has been proposed. The blocking temperature of hematite microflowers is ca. 80K with an external field of 100 Oe. and above which they display superparamagnetic performance at room temperature. This synthesis approach is expected to become an appropriate method for the preparation of other uniform microstructure of metal oxide. Published by Elsevier B.V.
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