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陈克正

Professor

Supervisor of Doctorate Candidates

Supervisor of Master's Candidates

Date of Birth:1965-10-27

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A facile surfactant-free fabrication of single-crystalline truncated Fe3O4 cubes

Release time:2021-03-15 Hits:

Key Words:Magnetite; Morphology; Magnetic properties

Abstract:Single-crystalline truncated Fe3O4 cubes with active basal facets have been successfully fabricated through a facile surfactant-free hydrothermal route. The presented materials were characterized by X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), energy dispersive spectroscopy (EDS), dynamic light scattering (DLS), selection area electron diffraction (SAED) and magnetic property measurement system (MPMS). The results showed that all products are Fe3O4 with face-center-cubic (FCC) structure. The morphology of Fe3O4 depends on the contents of hydroxide ions, hydrazine hydrate and reaction time. The well-defined truncated Fe3O4 cubes with active basal facets {1 0 0} were fabricated when the pH value, the hydrazine hydrate content and reaction time are 10, 10 mL and 24 h, respectively. The as-prepared Fe3O4 cubes exhibit excellent magnetic properties, which endow the materials with great potential applications in many fields. (C) 2011 Elsevier B.V. All rights reserved.

Volume:176

Issue:9

Translation or Not:no

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