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The dependences of photoconductivity (σ ph ) of highly crystallized dense undoped hydrogenated microcrystalline silicon (μc-Si:H) thin films on the temperature and the intensity of light were measured in a temperature range 15–325 K. The variation in light intensity exponent (γ) is found to be 0.5≤γ≤0.9 for thin samples, and 0.15≤γ≤0.8 in a thick fully crystallized sample. Based on our simulation...
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