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. 2020 Jun 23;10:10197. doi: 10.1038/s41598-020-66340-y

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Multiplot of XRD pattern of stishovite. Observed d-spacing (red crosses) and Le Bail-fitted pattern (black line) of stishovite at ambient conditions, 18 ± 2 GPa, 123 ± 5 GPa, 301 ± 12 GPa and 336 ± 13 GPa. Stishovite reflections are indexed at each peak. Ambient peaks are indicated with an asterisk. Note that peaks are shifting to lower d-spacing values due to the change in volume of the lattice with increasing pressure.