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Fluorescent Property and Magnetic Property of V3O7˙H 2O Nanobelts

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Optical and magnetic properties of the V3O7˙H2O nanobelts are investigated, which are synthesized via a hydrothermal route. The V3O7˙H2 O nanobelts are characterized by X-ray diffraction, sanning electron microscopy, transmission electron microscopy and XPS. It is found that the product is of orthorhombic phase and single crystalline nanobelts with width of 200–400 nm and length up to 30 μm. The photoluminescence spectrum, UV-visible diffuse reflectance spectrum and fluorescent microscopic image are used to investigate the optical properties. The magnetic properties of the V3O7˙H2O nanobelts disagree with the reports in previous literatures. In order to explain this abnormal phenomenon, we make some theoretical calculations using VASP, and the results indicate that the magnetic property is attributed to oxygen vacancies in the V3O7˙H2O crystals.
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Keywords: DENSITY FUNCTIONAL; FLUORESCENT MICROSCOPIC IMAGE; MAGNETICAL PROPERTY; THEORY; V3O7˙H2O NANOBELTS

Document Type: Research Article

Publication date: September 1, 2013

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  • Science of Advanced Materials (SAM) is an interdisciplinary peer-reviewed journal consolidating research activities in all aspects of advanced materials in the fields of science, engineering and medicine into a single and unique reference source. SAM provides the means for materials scientists, chemists, physicists, biologists, engineers, ceramicists, metallurgists, theoreticians and technocrats to publish original research articles as reviews with author's photo and short biography, full research articles and communications of important new scientific and technological findings, encompassing the fundamental and applied research in all latest aspects of advanced materials.
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