Research/Sitter/MAGNDATA / 1.253_CeCo2P2.mcif

CeCo₂P₂

MAGNDATA entry 1.253 · 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 ¹4/¹m¹m¹m × ²1: each symmetry marked ¹ keeps every spin, ² swaps up and down.

ordered ≤ 440 K (167 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.

Structure · 10 properties

Magnetic group	P_I 4/n n c BNS 126.386
Parent space group	I 4/m m m No. 139
Spins	collinear · net moment 0 μ_B per cell
Propagation	[0 0 1] 1k
Cell	a 3.8887 · b 3.8887 · c 9.533 Å · α 90° · β 90° · γ 90°
Transition	440 K (167 °C)
Measured at	2 K
Magnetic ions	Ce, Co
Largest moment component	0.94 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 P_I 4/n n c →

Atom sites · 3 sites · CSV

site	element	y	z	m_a	m_b	m_c	\|m\| (μ_B)
Ce1	Ce	0	0
Co1	Co	0.5	0.25	0	0	0.94	0.94
P1	P	0	0.3715

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

M. Reehuis et al. Journal of Alloys and Compounds (1998) · doi:10.1016/S0925-8388(97)00486-6

Cite the original paper and MAGNDATA, not this mirror.

Original file

⬇ 1.253_CeCo2P2.mcif from MAGNDATA · entry page

sha256 of this copy: a4a4e7d14b146f1876ecd271701bb9ad778362e044d0e9432f6fb63dfaac2f78
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 1.253_CeCo2P2.mcif.