Research/Sitter/MAGNDATA / 0.157_Yb2Sn2O7.mcif

Yb₂Sn₂O₇

MAGNDATA entry 0.157 · source

noncoplanar ferrimagnet

Opposite moments of different size leave a net magnetisation.

ordered ≤ 0.2 K (−273 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.

Structure · 11 properties

Magnetic group	I 4₁/a m′ d′ BNS 141.557
Point group	4/mm′m′
Parent space group	F d 3m No. 227
Spins	noncoplanar · net moment 16.48 μ_B per cell
Propagation	[0 0 0] 1k
Cell	a 10.2766 · b 10.2766 · c 10.2766 Å · α 90° · β 90° · γ 90°
Transition	0.15 K (−273 °C)
Measured at	0.052 K
Magnetic ions	Yb
Largest moment component	1.03 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 I 4₁/a m′ d′ →

Atom sites · 5 sites · CSV

site	element	x	y	z	m_a	m_b	m_c	\|m\| (μ_B)
Yb1	Yb	0.5	0.5	0.5	−0.13	−0.13	1.03	1.0463
Sn1	Sn	0	0	0
O1_1	O	0.34	0.125	0.125
O1_2	O	0.125	0.125	0.34
O2	O	0.375	0.375	0.375

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

A. Yaouanc et al. PHYSICAL REVIEW LETTERS (2013) · doi:10.1103/PhysRevLett.110.127207

Cite the original paper and MAGNDATA, not this mirror.

Original file

⬇ 0.157_Yb2Sn2O7.mcif from MAGNDATA · entry page

sha256 of this copy: e06a9b565452c5e414c5910937f07c9e0830995692d0c644cc0d8f3f1aa1ca28
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 0.157_Yb2Sn2O7.mcif.