Research/Sitter/MAGNDATA / 0.641_Mn3Ga.mcif

Mn₃Ga

MAGNDATA entry 0.641 · source

noncollinear ferrimagnet

Opposite moments of different size leave a net magnetisation.

Structure · 9 properties

Magnetic group	C 2′/m′ BNS 12.62
Parent space group	I 4/m m m No. 139
Spins	coplanar · net moment 3.228 μ_B per cell
Propagation	[0 0 0] 1k
Cell	a 3.9056 · b 3.9056 · c 7.1003 Å · α 90° · β 90° · γ 90°
Measured at	293 K
Magnetic ions	Mn
Largest moment component	3.07 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′/m′ →

Atom sites · 3 sites · CSV

site	element	y	z	m_a	m_b	m_c	\|m\| (μ_B)
Ga1	Ga	0	0
Mn1	Mn	0	0.5	1.19	0	−3.07	3.2926
Mn2	Mn	0.5	0.25	0	0	2.08	2.08

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. Fonda et al. PHYSICAL REVIEW B (2013) · doi:10.1103/PhysRevB.87.184429

Cite the original paper and MAGNDATA, not this mirror.

Original file

⬇ 0.641_Mn3Ga.mcif from MAGNDATA · entry page

sha256 of this copy: 46e89b15bd9834a44b4126606a7f8509b0fa6d0686da03d1dda8b22e822d4972
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 0.641_Mn3Ga.mcif.