Research/Sitter/MAGNDATA / 1.35_LiErF4.mcif

LiErF₄

MAGNDATA entry 1.35 · 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 ¹2/¹m × ²1: each symmetry marked ¹ keeps every spin, ² swaps up and down.

ordered ≤ 373 K (100 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.

Structure · 10 properties

Magnetic group	P_C 2₁/c BNS 14.84
Point group	2/m1′
Parent space group	I 4₁/a No. 88
Spins	collinear · net moment 0 μ_B per cell
Propagation	[1 1 1] 1k
Cell	a 5.162 · b 5.162 · c 10.7 Å · α 90° · β 90° · γ 90°
Transition	373 K (100 °C)
Magnetic ions	Er
Largest moment component	2.2 μ_B
Method	NSD, 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_C 2₁/c →

Atom sites · 4 sites · CSV

site	element	x	y	z	m_a	m_b	m_c	\|m\| (μ_B)
Er	Er	0	0.25	0.625	0	2.2	0	2.2
Li	Li	0	0.25	0.125
F11	F	0.2183	0.5855	0.5437
F12	F	0.1645	0.4683	0.7937

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

C. Kraemer et al. SCIENCE (2012) · doi:10.1126/science.1221878

Cite the original paper and MAGNDATA, not this mirror.

Original file

⬇ 1.35_LiErF4.mcif from MAGNDATA · entry page

sha256 of this copy: 925d2c12170e6b3d433f6def488feb84eaee67b4b5460ad015e41f5f3f0a0955
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 1.35_LiErF4.mcif.