Research/Sitter/MAGNDATA / 0.773_NdMnSi2.mcif

NdMnSi₂

MAGNDATA entry 0.773 · source

noncollinear ferrimagnet

Opposite moments of different size leave a net magnetisation.

ordered ≤ 40 K (−233 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.

Structure · 11 properties

Magnetic group	C 2′/m′ BNS 12.62
Point group	2′/m′
Parent space group	C m c m No. 63
Spins	coplanar · net moment 15.137 μ_B per cell
Propagation	[0 0 0] 1k
Cell	a 4.072 · b 17.487 · c 4.017 Å · α 90° · β 90° · γ 90°
Transition	40 K (−233 °C)
Measured at	2 K
Magnetic ions	Mn, Nd
Largest moment component	1.8 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 · 4 sites · CSV

site	element	y	z	m_a	m_b	m_c	\|m\| (μ_B)
Nd1	Nd	0.101	0.25	0	0	1.8	1.8
Mn1	Mn	0.75	0.25	0	1.62	1.62	2.291
Si1	Si	0.326	0.25
Si2	Si	0.465	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

B. Malaman et al. Journal of Magnetism and Magnetic Materials (1990) · doi:10.1016/0304-8853(90)90143-E

Cite the original paper and MAGNDATA, not this mirror.

Original file

⬇ 0.773_NdMnSi2.mcif from MAGNDATA · entry page

sha256 of this copy: 734b47dbc0305f458caa9f969211170453101a001cb9db8c48857fb62bca00ab
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 0.773_NdMnSi2.mcif.