Research/Sitter/MAGNDATA / 1.596_TbCuSb2.mcif

TbCuSb₂

MAGNDATA entry 1.596 · 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 ¹2/¹m × ²1: each symmetry marked ¹ keeps every spin, ² swaps up and down.

ordered ≤ 5 K (−268 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.

Structure · 10 properties

Magnetic group	P_S 1 BNS 2.7
Parent space group	P 4/n m m No. 129
Spins	collinear · net moment 0 μ_B per cell
Propagation	[1/2 0 0] 1k
Cell	a 8.505 · b 4.2525 · c 9.8791 Å · α 90° · β 90° · γ 90°
Transition	5 K (−268 °C)
Measured at	1.4 K
Magnetic ions	Tb
Largest moment component	5.515 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_S 1 →

Atom sites · 4 sites · CSV

site	element	x	y	z	m_a	m_b	m_c	\|m\| (μ_B)
Tb1	Tb	0.125	0.25	0.7448	5.515	5.515	0	7.7994
Cu1	Cu	0.375	0.25	0
Sb1	Sb	0.375	0.25	0.5
Sb2	Sb	0.125	0.25	0.1645

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

M. Kolenda et al. Journal of Alloys and Compounds (2001) · doi:10.1016/S0925-8388(01)01194-X

Cite the original paper and MAGNDATA, not this mirror.

Original file

⬇ 1.596_TbCuSb2.mcif from MAGNDATA · entry page

sha256 of this copy: f8005d24338686c50d17992715c5a80541acebb69184169782052a2ba7e64dbb
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 1.596_TbCuSb2.mcif.