Fig. 4
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Effective lifetime τeff (top), lifetime equivalent defect density ΔNleq (middle) and change in saturation density Δj0 (bottom) versus accumulated treatment time for differently processed n-type FZ samples. Samples were degraded at 100 °C in the dark. After 1000 h, the treatment temperature is increased to 180 °C. The lines in the graphs are guide-to-the-eye.
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