Dataset Open Access

Dataset: Measuring the structure and equation of state of polyethylene terephthalate at megabar pressures

Lütgert, Bernhard Julian; Vorberger, Jan; Hartley, Nicholas; Voigt, Katja; Rödel, Melanie; Schuster, Anja; Benuzzi-Mounaix, Alessandra; Brown, Shaughnessy; Cowan, Thomas; Cunningham, Eric; Döppner, Tilo; Falcone, Roger W.; Fletcher, Luke B.; Galtier, Eric; Glenzer, Siegfried H.; Laso García, Alejandro; Gericke, Dirk O.; Heimann, Phil A.; Lee, Hae J.; McBride, Emma E.; Pelka, Alexander; Prencipe, Irene; Saunders, Alison M.; Schölmerich, Markus; Schörner, Maximilian; Sun, Peihao; Vinci, Tommaso; Ravasio, Alessandra; Kraus, Dominik

This repository contains raw-data related to our publication "Measuring the structure and equation of state of polyethylene terephthalate at megabar pressures".

The XRD data in the "LCLS" folder is accompanied with a "calibration.poni" file that provides information about the experiment's geometry and can be used in pyFAI (GitHub page) or Dioptas (GitHub page) to integrate the two-dimensional data azimuthally. Integrated XRD data after background-subtraction and filter-corrections is presented in Fig. 2 and 3 of the manuscript while 2D data of run 215 is used in Fig. 1. The "shotlist.csv" file contains information about the relative X-ray to drive-laser timing, shot-type and X-ray energy for the individual events.

VISAR, SOP and reflectivity measurements can be found in the "LULI" directory. 2ω-VISAR and SOP datasets of shot 08 are displayed as inserts in Fig. 5 (the first after performing a ghost-fringe subtraction). "shotlist.csv" provides additional parameters.

The DFTMD folder contains the results of our density functional theory molecular dynamics simulation.
In the "XRD" subdirectory, "wrofk_mylar_chomd*.dat" files can be found in which the quantities to calculate the lineouts in Fig. 3 and 4 are saved for given temperatures, pressures and densities. The header of those files is given in "header.txt" and additional information about the conditions and settings for individual calculations can be obtained from "param_mylar_md.txt".
The dataset for the Hugoniot curve from our DFT-MD equation-of-state (which is plotted in Fig. 5) is provided in the "Hugoniot" sub-folder.

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