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Table 3

Fit coefficients for the temperature dependent oscillator parameters of the Brendel model for the dielectric function.

Osc. ω 0 ω p σ
No. a b a b a b

1 1078.2 ± 2.57 0.064 ± 0.0048 311.0 ± 10.59 0.103 ± 0.020 48.74 ± 1.29 0.0056 ± 0.0024
2 955.4 ± 1.62 0.084 ± 0.0030 696.3 ± 11.7 0.035 ± 0.022 63.35 ± 0.81 − 0.016 ± 0.0015
3 754.8 ± 3.53 0.049 ± 0.0065 214.7 ± 8.32 0.032 ± 0.015 48.67 ± 0.95 − 0.0015 ± 0.0018
4 663.8 ± 6.96 0.0009 ± 0.013 252.2 ± 20.2 0.0037 ± 0.037 52.78 ± 4.19 0.014 ± 0.0078

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