Research/Sitter/MAGNDATA / 1.299_GdMn2O5.mcif

GdMn₂O₅

MAGNDATA entry 1.299 · source

noncoplanar magnet

Spins pointing in three dimensions, not confined to a plane.

ordered ≤ 33 K (−240 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.

Structure · 10 properties

Magnetic group	P_a c a 2₁ BNS 29.104
Parent space group	P b a m No. 55
Spins	noncoplanar · net moment 0 μ_B per cell
Propagation	[1/2 0 0] 1k
Cell	a 14.7062 · b 8.5371 · c 5.6807 Å · α 90° · β 90° · γ 90°
Transition	33 K (−240 °C)
Measured at	5 K
Magnetic ions	Gd, Mn
Largest moment component	6.66 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_a c a 2₁ →

Atom sites · 5 sites · CSV

site	element	x	y	z	m_a	m_b	m_c	\|m\| (μ_B)
Gd1_1	Gd	0.0694	0.1709	0	6.66	0.39	0	6.6714
Gd1_2	Gd	0.3194	0.3291	0	−5.97	2.44	0	6.4494
Mn1	Mn	0	0.5	0.2558	−2.06	0.82	−0.33	2.2416
Mn2_1	Mn	0.2057	0.3523	0.5	3.33	−0.43	0	3.3576
Mn2_2	Mn	0.2943	0.6477	0.5	−3.48	0.99	0	3.6181

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

J. Sheng et al. PHYSICAL REVIEW B (2019) · doi:10.1103/PhysRevB.99.094429

Cite the original paper and MAGNDATA, not this mirror.

Original file

⬇ 1.299_GdMn2O5.mcif from MAGNDATA · entry page

sha256 of this copy: f0ec188a79a5823a8b9cf87f8a81cdd38c33ab01b1d2f54075b4b2dbbb78fc47
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 1.299_GdMn2O5.mcif.