Research/Sitter/MAGNDATA / 0.400_Sr2Fe1.9Co0.1O5.5.mcif

Sr₂Fe_1.9Co_0.1O_5.5

MAGNDATA entry 0.400 · source

antiferromagnet

No net magnetisation, and up and down sublattices are related by a shift or by inversion, so the bands stay spin-degenerate: a conventional antiferromagnet.

Spin group ¹m¹m¹m × ²1: each symmetry marked ¹ keeps every spin, ² swaps up and down.

ordered ≤ 230 K (−43 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.

Structure · 10 properties

Magnetic group	C m′ m′ m′ BNS 65.487
Parent space group	C m m m No. 65
Spins	collinear · net moment 0 μ_B per cell
Propagation	[0 0 0] 1k
Cell	a 10.9619 · b 7.6942 · c 5.4676 Å · α 90° · β 90° · γ 90°
Transition	230 K (−43 °C)
Measured at	4 K
Magnetic ions	Co, Fe
Largest moment component	2.99 μ_B
Method	NPD

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 C m′ m′ m′ →

Atom sites · 9 sites · CSV

site	element	x	y	z	m_a	m_b	m_c	\|m\| (μ_B)
Sr1	Sr	0.5	0	0.5
Sr2	Sr	0	0	0.5
Sr3	Sr	0.2567	0	0
Fe1	Fe	0	0.7484	0	0	2.99	0	2.99
Fe2	Fe	0.25	0.25	0.5
Co1	Co	0.25	0.25	0.5
O1	O	0.5	0	0
O2	O	0.2647	0	0.5
O3	O	0.3793	0.2715	0.2495

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

E. Zepeda-Alarcon et al. J. Mater. Chem. (2012) · doi:10.1039/c2jm30957b

Cite the original paper and MAGNDATA, not this mirror.

Original file

⬇ 0.400_Sr2Fe1.9Co0.1O5.5.mcif from MAGNDATA · entry page

sha256 of this copy: 846db44256f5644ed50d4875fefbc006d200f3c0f91bb55cd22270680d72b5ad
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 0.400_Sr2Fe1.9Co0.1O5.5.mcif.