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Niobium Oxide Sputtering Targets and Applications

Niobium oxide is the inorganic compound with the formula Nb2O5. It is a colourless insoluble solid that is fairly unreactive. It is the main precursor to all materials made of niobium.
Niobium Oxide (Nb2O5) Sputtering Targets (Size:1'' ,Thickness:0.125'' , Purity: 99.5%) finds a variety of applications in modem technology in different components ranging from capacitors, to waveguides , oxygen sensors and as corrosion resistant material. Apart from this, niobium oxide films are used as high refractive index layers in optical interference filters which consist of a multilayer stack of high and low refractive index materials. Due to its high refractive index, niobium oxide is an excellent candidate for optical thin film applications. Niobium oxide sputtering targets is transparent throughout the visible range. Niobium oxide also attracts attention due to its presence as a constituent of different compound oxides such as lead, barium and lithium niobate, which are used in optical waveguides and modulators. Furthermore, it has been found that niobium oxide films exhibit interesting electrochromic behaviour similar to other transition metal oxides, such as oxides of tungsten, vanadium and iridium. Moreover, niobium oxide is insoluble in water, stable in air, relatively unreactive plus acid and base resistant.
In addition to the above-mentioned properties, corrosion resistance is a must-attend issue of metallic-coated surfaces in engineering applications. Some reports reveal the good corrosion protection ability of niobium oxide. Several deposition techniques can be used to produce niobium based coatings. Sol–gel techniques, chemical vapor deposition (CVD) and physical vapor deposition (PVD) methods have been reported. The anti-corrosion performance of coatings produced by PVD is markedly affected by deposition parameters. The development of PVD-based niobium oxide coatings with enhanced corrosion properties can be more promptly accomplished if the correlation between coatings structure and deposition parameters is known. 
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