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Abstract
Measurements of the surface potential were carried out by electrostatic induction probe method. The influence of doping with Fe3+ cations on the surface potential of TGS crystal was tested. The behaviour of surface potential was studied for TGS with Fe3+ cations under influence of ultraviolet irradiation. The dependence of surface potential on irradiation time was found. After the ultraviolet irradiation of Fe3+ admixtured TGS slower changes of surface potential than for pure TGS crystal were observed.