A low energy electron accelerator has been constructed and tested. The electron beam can operate in low energy mode (100 eV to 10 keV) having a beam diameter of 8–10 mm. Thin ﬁlms of CdS having thickness of 100 nm deposited on ITO-coated glass substrate by thermal evaporation method have been irradiated by electron beam in the above instrument. The $I–V$ characteristic is found to be nonlinear before electron irradiation and linear after electron irradiation. The TEP measurement conﬁrms the n-type nature of the material. The TEP and $I–V$ measurements also conﬁrm the modiﬁcation of ITO/CdS interface with electron irradiation.
Volume 96, 2022
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