Journal
JOURNAL OF MATERIALS SCIENCE
Volume 45, Issue 1, Pages 34-38Publisher
SPRINGER
DOI: 10.1007/s10853-009-3866-0
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Funding
- Japan Society for the Promotion of Science (JSPS)
- Japan Science and Technology Agency (JST)
- National Natural Science Foundation of China [50873042]
- Scientific Research Program of the HuaiHai Institute of Technology [KQ08023, Z08018]
- University of Science & Technology of China
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Novel Fe(3)O(4) octahedrons and Fe microtubes were successfully prepared in different alkaline concentration solutions by the reduction of hematite (alpha-Fe(2)O(3)) with hydrazine hydrate. The as-prepared powders were characterized in detail by conventional techniques such as X-ray diffraction and field emission scanning electron microscopy. The role of alkaline concentration during the reaction process is discussed in detail. Compared to the reaction in a water system, the reaction in ethanol required less sodium hydroxide and smaller particles were obtained. In addition, the magnetic properties of the samples were characterized using a vibrating sample magnetometer.
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