Gallium selenide powder is a semiconductor material. Gallium selenide has a layered structure, and with the decrease in temperature, the maximum photoelectric effect of gallium selenide moves toward the shortwave direction.
Iron nanoparticles can be found in black, and are soluble in the nano Fe-colloid that is formed by water. This metal has many applications, including high density magnetic recording material, electroconductive materials, and biomedical carriers.
Fumed silica (fumed silica) is an essential inorganic, nonmetallic material that has been widely used in many fields due to its unique nanostructure and excellent physical and chemical properties.
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