Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 286, Issue 1, Pages 101-105Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S0921-5093(00)00647-X
Keywords
sonochemical synthesis; nanometer-size; iron oxide; iron(II)acetate
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Sonochemical synthesis of pure nanometer-size Fe3O4 powder with particle size of ca 10 nm is reported in this article. Fe3O4 can be simply synthesized by sonication of iron(II)acetate in water under an argon atmosphere. The properties of pure nanometer-size Fe3O4 particles were characterized by X-ray diffraction, Mossbauer spectroscopy, transmission electron microscopy (TEM), thermogravimetric analysis (TGA) with an external magnetic field, and quantum design SQUID magnetization measurements. The prepared Fe3O4 nanoparticles are superparamagnetic and its magnetization at room temperature is very low (<1.25 emu g(-1)). (C) 2000 Elsevier Science S.A. All rights reserved.
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