TANTALUM PENTOXIDE or TA2O5
Tantalum (V) oxide (Ta2O5 or tantalum pentoxide) is a white, stable solid compound inert to all chemicals except for hydrofluoric acid and concentrate alkaline solutions. The powder is produced by precipitating a tantalum containing acid solution, filtering the precipitate, and calcining the filter cake. It is often milled to the desirable particle size to meet various application requirements.
Tantalum oxide is a high reflective index and low light absorption material. Ta2O5 has been used in optical glass, fiber, and other instruments.
Due to its high dielectric constant, tantalum oxide sputtering target has been used for production of semiconductor use in DRAM, high frequency CMOS integrated circuits, and flash memory.
Lithium tantalite (LiTaO3) single crystal is another use for tantalum oxide. The crystal is used in optical waveguides, mobile phones, piezoelectric sensors, optical modulators and various other optical applications
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