, Volume 7, Issue 1, pp 39-45

Electrical and optical properties of copper indium ditelluride crystals grown from near-stoichiometric compositions

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CuInTe2 crystals grown by zone-leveling of nominally stoichiometric material are highly p-type. The net acceptor density is reduced by in-diffusion of zinc which acts as a donor impurity. Zinc-annealed crystals transmit in the infrared and exhibit an absorption edge at 0.92 eV.