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  1. Article

    Open Access

    Evidence for Crystalline Structure in Dynamically-Compressed Polyethylene up to 200 GPa

    We investigated the high-pressure behavior of polyethylene (CH2) by probing dynamically-compressed samples with X-ray diffraction. At pressures up to 200 GPa, comparable to those present inside icy giant planets ...

    N. J. Hartley, S. Brown, T. E. Cowan, E. Cunningham, T. Döppner in Scientific Reports (2019)

  2. Article

    Open Access

    Demonstration of X-ray Thomson scattering as diagnostics for miscibility in warm dense matter

    The gas and ice giants in our solar system can be seen as a natural laboratory for the physics of highly compressed matter at temperatures up to thousands of kelvins. In turn, our understanding of their struct...

    S. Frydrych, J. Vorberger, N. J. Hartley, A. K. Schuster in Nature Communications (2020)

  3. Article

    Open Access

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

    We present structure and equation of state (EOS) measurements of biaxially orientated polyethylene terephthalate (PET, $$({\hbox {C}}_{10} {\h...

    J. Lütgert, J. Vorberger, N. J. Hartley, K. Voigt, M. Rödel in Scientific Reports (2021)