Research/Sitter/MAGNDATA / 1.801_Tb3NbO7.mcif

Tb₃Nb₁O₇

MAGNDATA entry 1.801 · source

noncoplanar magnet

Spins pointing in three dimensions, not confined to a plane.

ordered ≤ 2 K (−271 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.

Structure · 11 properties

Magnetic group	P_B 2₁ 2₁ 2 BNS 18.22
Point group	2221′
Parent space group	C 2 2 2₁ No. 20
Spins	noncoplanar · net moment 0 μ_B per cell
Propagation	[1 0 0] 1k
Cell	a 7.469 · b 7.5057 · c 10.5564 Å · α 90° · β 90° · γ 90°
Transition	2 K (−271 °C)
Measured at	1.8 K
Magnetic ions	Tb
Largest moment component	7.22 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_B 2₁ 2₁ 2 →

Atom sites · 8 sites · CSV

site	element	x	y	z	m_a	m_b	m_c	\|m\| (μ_B)
Tb1	Tb	0.4882	0.25	0.75	0	7.22	1.16	7.3126
Tb2	Tb	0.2679	0.005	0.4846	3.66	1.57	6.48	7.606
Nb1	Nb	−0.0093	0.25	0.75
O1	O	0.207	0.7715	0.6287
O2	O	0.1855	0.2137	0.6245
O3	O	0	0	0.3784
O4	O	0	0	0.1148
O5	O	0	0	0.8176

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. Hase et al. Journal of Magnetism and Magnetic Materials (2024) · doi:10.1016/j.jmmm.2024.172106

Cite the original paper and MAGNDATA, not this mirror.

Original file

⬇ 1.801_Tb3NbO7.mcif from MAGNDATA · entry page

sha256 of this copy: 01a2e9124ef62aae5818af866328a8ec60b0f7973d2e6d8168f6b6b8f0cb2499
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 1.801_Tb3NbO7.mcif.

Tb3Nb1O7

Symmetry

Source

Original file

Tb₃Nb₁O₇