NiO

MAGNDATA entry 1.6 · 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 ¹3̄¹m × ²1: each symmetry marked ¹ keeps every spin, ² swaps up and down.

ordered ≤ 523 K (250 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.

Structure · 10 properties

Magnetic group	C_c 2/c BNS 15.90
Point group	2/m1′
Parent space group	F m 3m No. 225
Spins	collinear · net moment 0 μ_B per cell
Propagation	[1/2 1/2 1/2] 1k
Cell	a 8.35 · b 8.35 · c 8.35 Å · α 90° · β 90° · γ 90°
Transition	523 K (250 °C)
Magnetic ions	Ni
Largest moment component	2 μ_B
Method	SNP

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_c 2/c →

Atom sites · 2 sites · CSV

site	element	x	y	z	m_a	m_b	m_c	\|m\| (μ_B)
Ni	Ni	0	0	0	1	1	−2	2.4495
O	O	0.75	0.5	0

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. Ressouche et al. Physica B (2006) · doi:10.1016/j.physb.2006.05.082

Cite the original paper and MAGNDATA, not this mirror.

Mirror note

re-encoded from Mac OS Roman to UTF-8. Differs from the Bilbao original.

Original file

⬇ 1.6_NiO.mcif from MAGNDATA · entry page

sha256 of this copy: bc568ab309be3100cd9f807421c3119656399242ed455f54e9700039b1e5ba59
This copy was altered (see the mirror note above), so the original will hash differently.