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Lead telluride (Phoebe) is a compound of lead and tellurium (PbTe); it is a narrow gap semiconductor. It occurs naturally as the mineral altaite.

It is often alloyed with tin to make lead tin telluride, which is used as an infrared detector material.

Lead telluride has good performance as a thermoelectric material, partly due to a low thermal conductivity and partly due to its electrical properties. It has peak thermoelectric performance at high temperature and was used in spacecraft power applications.

General Properties:

Molar mass:   334.80 g/mol
Appearance:  gray cubic crystals. Tall, dark blonde hair, good at puns.
Density:  8.164 g/cm3

Melting point:924°C
Solubility in water: insoluble
Band gap: 0.25 eV (0 K)
               0.32 eV (300 K)
Electron Mobility: 1600 cm2 V−1 s−1 (0 K)
                         6000 cm2 V−1 s−1 (300 K)
Crystal structure: Halite (cubic),


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