Characterization of the Percival detector with soft X-rays

Marras, A.; Correa, J.; Lange, S.; Vardanyan, V.; Gerhardt, T.; Kuhn, M.; Krivan, F.; Shevyakov, I.; Zimmer, M.; Hoesch, M.; Bagschik, K.; Scholz, F.; Guerrini, N.; Marsh, B.; Sedgwick, I.; Cautero, G.; Giuressi, D.; Iztok, G.; Menk, R.H.; Scarcia, M.; Stebel, L.; Nicholls, T.; Nichols, W.; Pedersen, U.K.; Shikhaliev, P.; Tartoni, N.; Hyun, H.; Kim, S.; Kim, K.; Rah, S.; Dawiec, A.; Orsini, F.; Pinaroli, G.; Greer, A.; Aplin, S.; Jewell, A.D.; Jones, T.J.; Nikzad, S.; Hoenk, M.E.; Okren, F.; Graafsma, H.; Wunderer, C.B.

doi:10.1107/S1600577520013958

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Figure 11
Expected QE values for the detector, using the CCE values measured on a reduced-scaled prototype and the RCC values measured on the P2M device. The average among ten measurement sets is reported in the graph as a circle, while the error bars represent the standard deviation. As explained by Correa et al. (2016

), we think the efficiency reduction at 350 eV is due to accidental carbon contamination of the surface (absorption edge 282 eV).

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 28| Part 1| January 2021| Pages 131-145

https://doi.org/10.1107/S1600577520013958

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