Multiple choice

Chalcogenide glasses can be polished and shaped in lenses and bulk optics. Which among the following tellurides is a component of chalcogenide glasses?

  1. Germanium telluride

  2. Mercury telluride

  3. Rubidium telluride

  4. Zinc telluride

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A Correct answer
Explanation

Germanium telluride (GeTe) is a chemical compound of germanium and tellurium and is a component of chalcogenide glasses. It shows semimetallic conduction and ferroelectric behaviour.