Research of X-ray induced conductivity of ZnSe sensors for their application in isotopic thickness gauges

Abstract

Measurements of intrinsic conductivity and X-ray induced conductivity were performed on specially undopped ZnSe samples. The measurements demonstrated that sensors made of ZnSe have minor intrinsic conductivity when heating up to the temperature of 180 C, and significant X-ray induced conductivity. Dose dependence "dose rate - current" is described with simple power function which considerably simplifies calibration of sensors. This results can be used during the designing of high-temperature X-ray and gamma-radiation detectors for radiation hot rolling thickness gauges which are widely used in the metallurgy.

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