期刊
POWDER TECHNOLOGY
卷 235, 期 -, 页码 475-478出版社
ELSEVIER
DOI: 10.1016/j.powtec.2012.10.060
关键词
alpha-Fe2O3; Multileaf nanostructure; Shape evolution; Magnetic property
资金
- Natural Science Foundation of Ningxia Province [NZ 1104]
Novel 3D multileaf alpha-Fe2O3 nanostructures were successfully obtained via a mild solvothermal synthesis free of any surfactant or template. Field emission scanning electron microscopy, transmission electron microscopy, energy dispersive X-ray spectrometry, and X-ray powder diffraction revealed a unique multileaf morphology, surface features, anisotropic crystal growth, and crystal phase of alpha-Fe2O3. During the solvothermal process for the preparation of multileaf alpha-Fe2O3 architecture, a plausible mechanism of alpha-Fe2O3 self-assembly was proposed to elucidate the formation of the 3D multileaf nanostructures. Besides, the magnetic property of the multileaf alpha-Fe2O3 crystals was studied by a vibrating sample magnetometer (VSM). The analyses clarified the unique morphology, crystal growth mechanism, and magnetic property of the newly developed alpha-Fe2O3 systems. (C) 2012 Elsevier B.V. All rights reserved.
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