Investigation of high-pressure planetary ices by cryo-recovery. II. High-pressure apparatus, examples and a new high-pressure phase of MgSO4·5H2O

Wang, W.; Fortes, A.D.; Dobson, D.P.; Howard, C.M.; Bowles, J.; Hughes, N.J.; Wood, I.G.

doi:10.1107/S1600576718003977

Journal of Applied Crystallography Journal of Applied
Crystallography

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Figure 11
Neutron powder diffraction data and Rietveld refinement of the new MgSO₄·5D₂O phase at room temperature under an applied load of 31 tonnes (∼2.17 GPa). These data were collected on the ISIS PEARL diffractometer in 2009 (Gromnitskaya et al., 2013

) but could not be indexed until now. The reflection markers are (top down) MgSO₄·5D₂O, ice VI, ice VII, Pb and WC (the strongest Bragg peaks of the various accessory phases are labelled). The refined lattice parameters of MgSO₄·5D₂O are a = 10.857 (1), b = 5.1069 (8), c = 12.058 (2) Å and V = 668.6 (1) Å³.

JOURNAL OF
APPLIED
CRYSTALLOGRAPHY

ISSN: 1600-5767

Volume 51| Part 3| June 2018| Pages 692-705

https://doi.org/10.1107/S1600576718003977

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