Journal
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY
Volume 113, Issue 2, Pages 121-124Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.mseb.2004.06.002
Keywords
MnTiO3; sol-gel-hydrothermal method; electronic properties
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Manganese titanate (MnTiO3) powders have been synthesized by a sol-gel-hydrothermal method at low temperature below to 473 K through using NaOH as mineralizer. The structural character of as-synthesized powders were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), Fourier transformed infrared spectroscopy (FTIR) and Raman spectroscopy. The results indicate that the as-obtained powders are phase pure pyrophanite MnTiO3 with pie-shape morphology. The electronic properties of as-synthesized powders was characterized by UV-vis diffuse reflectance spectroscopy (UV-vis), which shows the as-obtained sample has a significant absorption in the visible region. (C) 2004 Elsevier B.V. All rights reserved.
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