Germanium telluride

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Germanium telluride (GeTe) is a chemical compound of germanium and tellurium.

It has a rhombohedral face centred cubic structure with lattice constant 0.596 nm. The melting point is c. 1000 K. It has semimetallic conduction. The CAS registry number is [12025-39-7], molecular weight 200.2 g.mol−1.

It is a component of chalcogenide glasses. GeTe shows ferroelectric behaviour.

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