The discussion centers on the effects of light irradiation on the resistivity of semiconductors, particularly in relation to temperature changes. It is established that increasing temperature typically reduces resistivity in semiconductors due to enhanced carrier mobility. The intrinsic or extrinsic nature of the semiconductor significantly influences the degree of this effect, as intrinsic semiconductors exhibit different behavior compared to extrinsic ones. Measurement techniques for resistivity, such as the four-point probe method, are essential for accurate analysis.
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omri3012 said:A piece of Semiconductor is irradiated by light, will the light effects on resistivity be
intensified or reduced if the temprature is increased? why?