Research/Sitter/MAGNDATA / 2.70_GdMg.mcif

GdMg

MAGNDATA entry 2.70 · source

noncollinear ferrimagnet

Opposite moments of different size leave a net magnetisation.

ordered ≤ 110 K (−163 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.

Structure · 11 properties

Magnetic group	C 2′/c′ BNS 15.89
Point group	2′/m′
Parent space group	P m 3 m No. 221
Spins	coplanar · net moment 9.815 μ_B per cell
Propagation	[0 0 0] · [0 0 1/2] 2k
Cell	a 3.812 · b 3.812 · c 7.624 Å · α 90° · β 90° · γ 90°
Transition	110 K (−163 °C)
Measured at	12 K
Magnetic ions	Gd
Largest moment component	6.5 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 2′/c′ →

Atom sites · 2 sites · CSV

site	element	x	y	z	m_a	m_b	m_c	\|m\| (μ_B)
Gd1	Gd	0	0	0	6.5	−0.8	2.8	7.1225
Mg1	Mg	0.5	0.5	0.25

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

P. Morin et al. PHYSICS LETTERS (1978) · doi:10.1016/0375-9601(78)90603-5

Cite the original paper and MAGNDATA, not this mirror.

Original file

⬇ 2.70_GdMg.mcif from MAGNDATA · entry page

sha256 of this copy: 47090d91f4c9a424b80589e283d90b1501e98ad51344612e2bb005399bbee6a1
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 2.70_GdMg.mcif.