The properties of vanadium dioxide: The molecular formula of vanadium dioxide is VO2, with a molecular weight of 82.94. It is a dark blue crystal powder with a monoclinic crystal structure. Insoluble in water, easily soluble in acid and alkali. When dissolved in acid, it cannot generate tetravalent ions, but generates positive divalent vanadium oxide ions. When heated to red heat in a dry hydrogen...
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The reasons for peak shift in XRD (X-ray diffraction) usually involve changes in the properties of the sample itself or the influence of experimental conditions, which can be analyzed from the following aspects: 1. Sample factors 1.1 Residual stress or lattice strain Residual stress: Residual stress inside the material (such as compressive stress or tensile stress) can cause changes in the lattice...
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High entropy alloys (HEAs) are a new type of structural material composed of five or more elements in nearly equal atomic ratios, exhibiting characteristics such as high entropy effect, lattice distortion effect, slow diffusion effect, and cocktail effect. Laser cladding technology can significantly improve the hardness, wear resistance, and corrosion resistance of HEAs cladding layers due to its ...
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What is graphene quantum dot Graphene has a wide range of application prospects, but due to its zero bandgap characteristics, low dispersion in water, and low spectral absorption, it cannot be applied in many fields such as optoelectronics, biological imaging, and semiconductors. Therefore, preparing graphene quantum dots (GQDs) is an effective method for adjusting the bandgap of graphene and appl...
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Silicon powder (including micron and nanometer scale) has a wide range of applications in various fields due to its high chemical activity, large specific surface area, and semiconductor properties. For example: 1. Electronics and Semiconductor Industry Integrated circuits and chips：High purity silicon powder (above 99.999%) is a raw material for manufacturing monocrystalline silicon and polycryst...
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