Novel experimental setup for megahertz X-ray diffraction in a diamond anvil cell at the High Energy Density (HED) instrument of the European X-ray Free-Electron Laser (EuXFEL)

Liermann, H.P.; Konôpková, Z.; Appel, K.; Prescher, C.; Schropp, A.; Cerantola, V.; Husband, R.J.; McHardy, J.D.; McMahon, M.I.; McWilliams, R.S.; Pépin, C.M.; Mainberger, J.; Roeper, M.; Berghäuser, A.; Damker, H.; Talkovski, P.; Foese, M.; Kujala, N.; Ball, O.B.; Baron, M.A.; Briggs, R.; Bykov, M.; Bykova, E.; Chantel, J.; Coleman, A.L.; Cynn, H.; Dattelbaum, D.; Dresselhaus-Marais, L.E.; Eggert, J.H.; Ehm, L.; Evans, W.J.; Fiquet, G.; Frost, M.; Glazyrin, K.; Goncharov, A.F.; Hwang, H.; Jenei, Z.; Kim, J.-Y.; Langenhorst, F.; Lee, Y.; Makita, M.; Marquardt, H.; McBride, E.E.; Merkel, S.; Morard, G.; O'Bannon, E.F.; Otzen, C.; Pace, E.J.; Pelka, A.; Pigott, J.S.; Prakapenka, V.B.; Redmer, R.; Sanchez-Valle, C.; Schoelmerich, M.; Speziale, S.; Spiekermann, G.; Sturtevant, B.T.; Toleikis, S.; Velisavljevic, N.; Wilke, M.; Yoo, C.-S.; Baehtz, C.; Zastrau, U.; Strohm, C.

doi:10.1107/S1600577521002551

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Figure 1
Schematic views of the expected timing for (a) infrared laser heated DAC and (b) dDAC experiments in the DAC setup for the HED instrument at the European XFEL. In the case of the dDAC experiment the limiting factor will be the fact that the AGIPD will only be able to collect 352 images. (c) Schematic of the single X-ray exposures and pump–probe approaches used during the 1st UCAC experiment. Consecutive diffraction patterns from one pulse train are accumulated in one image from the VAREX XRD 4343CT. The green pulses represent the X-ray pulses of 17.8 keV delivered within one train, while the black lines indicate the material response, such as an increase in temperature.

JOURNAL OF
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ISSN: 1600-5775

Volume 28| Part 3| May 2021| Pages 688-706

https://doi.org/10.1107/S1600577521002551

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