期刊
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
卷 23, 期 6, 页码 967-970出版社
SPRINGER
DOI: 10.1007/s10948-010-0740-x
关键词
Nano-ferrofluid; Atomic Force Microscope; Microstructure characterization
资金
- Natural Science Foundation [2007BB2120]
- Innovative Experiment Project for National Undergraduates [CQU-CX-G-200714]
The magnetic ferrofluid is a special intelligent material and its many properties can be controlled by external magnetic field. This paper introduces the preparation, performance and applications of Fe3O4 nano-ferrofluid, principally observed by the microstructure characterization by Atomic Force Microscopy (AFM), and we measured the particle size and morphology of nano-ferrofluid. The magnetic property was analyzed from the microstructure characterization, and the analysis results show that the size of the Fe3O4 nano-particle is about 5 nm; the magnetic property is closely related to the chain microstructure and is influenced by the nano-particle distribution in the Fe3O4 magnetic ferrofluid.
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