Research/Sitter/MAGNDATA / 1.724_Ba2NiTeO6.mcif

Ba₂Ni₁Te₁O₆

MAGNDATA entry 1.724 · 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 ¹1̄ × ²1: each symmetry marked ¹ keeps every spin, ² swaps up and down.

ordered ≤ 8.6 K (−265 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.

Structure · 11 properties

Magnetic group	P_A 2₁/c BNS 14.83
Point group	2/m1′
Parent space group	R 3 m No. 166
Spins	collinear · net moment 0 μ_B per cell
Propagation	[0 1/2 1] 1k
Cell	a 5.7839 · b 11.5678 · c 28.5401 Å · α 90° · β 90° · γ 120°
Transition	8.6 K (−265 °C)
Measured at	3 K
Magnetic ions	Ni
Largest moment component	1.88 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 P_A 2₁/c →

Atom sites · 9 sites · CSV

site	element	x	y	z	m_a	m_b	m_c	\|m\| (μ_B)
Ba1	Ba	0	0	0.1257
Ba2	Ba	0	0	0.284
Ni1	Ni	0	0	0.4064	0	0	1.88	1.88
Te1	Te	0	0	0
Te2	Te	0	0	0.5
O1_1	O	0.1508	0.4246	0.4589
O1_2	O	0.1508	0.1508	0.4589
O2_1	O	0.1771	0.4114	0.6277
O2_2	O	0.1771	0.1771	0.6277

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

S. Asai et al. PHYSICAL REVIEW B (2016) · doi:10.1103/PhysRevB.93.024412

Cite the original paper and MAGNDATA, not this mirror.

Original file

⬇ 1.724_Ba2NiTeO6.mcif from MAGNDATA · entry page

sha256 of this copy: 5e41c3d768430a3df47253183dcd901684f1aba667597e89547a9ac16ee765c6
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 1.724_Ba2NiTeO6.mcif.

Ba2Ni1Te1O6

Symmetry

Source

Original file

Ba₂Ni₁Te₁O₆