Published January 1, 2001
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Photoelectric phenomena in Au3In5Se9 and Au3Ga5Se9 compounds
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The anisotropy of photoconductivity in Au3In5Se9 and Au3Ga5Se9 crystals grown by the Bridgman method have been investigated as a function of temperature in the temperature range of 100 - 420 K. It is shown that the crystals have a wide range of spectral sensitivity of 0.9 - 1.8 eV. The width of the band gaps and their temperature coefficient are determined. The life time of the current carriers are determined at different levers of excitations.
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