Research/Sitter/MAGNDATA / 0.724_BaCoSiO4.mcif

Ba₁Co₁Si₁O₄

MAGNDATA entry 0.724 · source

noncollinear antiferromagnet

All moments add up to a net magnetisation: an ordinary magnet. Spin splitting is the same in every direction (s-wave).

ordered ≤ 3.2 K (−270 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.

Structure · 11 properties

Magnetic group	P 6₃ BNS 173.129
Point group	6
Parent space group	P 6₃ No. 173
Spins	coplanar · net moment 0 μ_B per cell
Propagation	[0 0 0] 1k
Cell	a 9.1124 · b 9.1124 · c 8.6447 Å · α 90° · β 90° · γ 120°
Transition	3.2 K (−270 °C)
Measured at	1.5 K
Magnetic ions	Co
Largest moment component	2.71 μ_B
Method	NSD

Symmetry

Stereogram of the magnetic point group: each operation applied to one direction. Filled = upper hemisphere, ring = lower; red operations include time reversal. Lines are mirrors; polygons are 2/3/4/6-fold axes; the centre ring is inversion.

Every structure in P 6₃ →

Atom sites · 9 sites · CSV

site	element	x	y	z	m_a	m_b	m_c	\|m\| (μ_B)
Ba1	Ba	0	0	0.25
Ba2	Ba	0.3333	0.6667	0.2211
Ba3	Ba	0.3333	0.6667	0.721
Co1	Co	0.681	0.676	0.53	2.71	0	0	2.71
Si1	Si	0.66	0.9875	0.431
O1	O	0.7658	0.9118	0.5227
O2	O	0.4647	0.9029	0.4904
O3	O	0.7611	0.1927	0.447
O4	O	0.7245	0.6545	0.7513

Moment components are along the crystal axes a, b, c (μ_B), as magCIF writes them. Symmetry generates the rest of the cell from these sites.

Source

L. Ding et al. NATURE COMMUNICATIONS (2021) · doi:10.1038/s41467-021-25657-6

Cite the original paper and MAGNDATA, not this mirror.

Original file

⬇ 0.724_BaCoSiO4.mcif from MAGNDATA · entry page

sha256 of this copy: 50cb44347b5edce59c9733b95a8a8e974d76b1974c045e2dd3ab04145af343da
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 0.724_BaCoSiO4.mcif.

Ba1Co1Si1O4

Symmetry

Source

Original file

Ba₁Co₁Si₁O₄