Pressure-induced transformation of CH3NH3PbI3: the role of the noble-gas pressure transmitting media

Arakcheeva, A.; Svitlyk, V.; Polini, E.; Henry, L.; Chernyshov, D.; Sienkiewicz, A.; Giriat, G.; Glushkova, A.; Kollar, M.; Náfrádi, B.; Forro, L.; Horváth, E.

doi:10.1107/S2052520619004554

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 4
Evolution of crystallographic characteristics of MAPbI₃ under pressure with (a) Ne and (b) Ar as the pressure transmitting media (PTM). Panels a(i) and b(i) show the symmetry transformation of the unit cell. Unit cells are shown in different colours for different crystallographic systems in relation to a primitive perovskite cube (green line). Panels a(ii), b(ii) show the pressure dependence of the unit-cell volume and crystal density. Points in the diagrams are coloured according to the unit cells in panels (i). Green and black points correspond to the pristine and released crystals, respectively.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 75| Part 3| June 2019| Pages 361-370

https://doi.org/10.1107/S2052520619004554

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