Lead scandium tantalate

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Lead scandium tantalate (PST) is a mixed oxide of lead, scandium, and tantalum. It has the formula Pb(Sc_xTa_1−x)O₃. The x is usually about 0.5. It is a ferroelectric ceramic material with a perovskite structure. Like structurally similar lead zirconate titanate and barium strontium titanate, PST can be used for manufacture of uncooled focal plane array infrared imaging sensors for thermal cameras. Both bulk and thin film structures are used.

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