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The effectiveness of liquid-N-temperature photoluminescence (PL) after electron irradiation for quantification of low-level C has been demonstrated in Czochralski (CZ)-grown Si for solar cell applications. We focused on the intensity ratios of the C- and G-lines to the band-edge emission, which were used as indexes for determining the C concentration in the PL activation method at 4.2 K. Good correlations...
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