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Figure 2
Comparison of neutron powder diffraction data obtained on (a) OSIRIS and (b) PEARL/HiPr at approximately the same pressure and temperature (∼ 0.5 GPa, 240 K). Red points are the measured data, green lines are the model fits and the pink lines underneath the data are the model residuals. Tick marks in (a) indicate the expected positions of Bragg reflections from meridianiite (bottom) and metastable ice Ih (top). Tick marks in (b) indicate Bragg reflections from meridianiite (bottom), the Pb pressure marker (middle) and tungsten carbide from the anvils (top).

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 73| Part 1| February 2017| Pages 33-46
https://doi.org/10.1107/S2052520616018254
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