Abstract
Silica–Titania glass monoliths were fabricated and doped with different concentrations of Nd3+ ions using the sol-gel method. The structure of the samples was characterized by x-ray diffraction (XRD) analysis and confirmed the amorphous structure of all the samples. The photocapacitance and photoresistance were measured at room temperature and different illumination intensities in the frequency range (20 Hz–3 MHz). The obtained results showed the vast potential of this class of materials for optoelectronic applications such as photoresistive and photocapacitive sensors.
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