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 3
Comparison of the low-temperature commensurately modulated lock-in state (space group P2₁2₁2) with the high-temperature normal phase (space group $[P\bar{4}2_{1}m]$ ), according to our neutron diffraction data at 10 K and X-ray diffraction at ∼ 500 K (Kusaka et al., 2001

), respectively. The red square corresponds to $[P\bar{4}2_{1}m]$ and the blue one to the (3×3×1) supercell of P2₁2₁2.

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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