The low-temperature crystal structure of the multiferroic melilite Ca2CoSi2O7

Sazonov, A.; Hutanu, V.; Meven, M.; Roth, G.; Kézsmárki, I.; Murakawa, H.; Tokura, Y.; Náfrádi, B.

doi:10.1107/S2052520615023057

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

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Figure 2
The quality of the Ca₂CoSi₂O₇ crystal structure refinement in different models: space groups $[P\bar{4}]$ (left column, blue circles) and P2₁2₁2 (right panel, red circles). The upper and lower rows indicate the results of the refinement without and with twinning, respectively. The experimentally measured and corrected integrated intensities (F²_obs) are plotted against the calculated ones (F²_calc). The intensities of a few selected Bragg reflections are marked.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 72| Part 1| January 2016| Pages 126-132

doi:10.1107/S2052520615023057

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