Abstract
It is demonstrated that AgGaS2xSe2–2x single crystals grown by the chemical transport method are characterized by high X-ray conductivity and X-ray sensitivity coefficients at room temperature. The X-ray dosimetric parameters of crystals are compared. For example, the X-ray conductivity coefficient of AgGaS2 samples varies within the range of 0.22–3.20 min/R at effective radiation hardness V a = 25–50 keV and dose rate E = 0.75–78.05 R/min. Single-crystalline AgGaSe2 samples have higher X-ray dosimetric coefficients than AgGaS2-based samples. The X-ray conductivity coefficient of AgGaSe2 varies within the range of 1.2–8.5 min/R at effective radiation hardness V a = 25–50 keV and dose rate E = 0.75–31.3 R/min. The dose dependences of steady-state X-ray current in AgGaS2xSe2–2x are determined.
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