Research/Sitter/MAGNDATA / 0.946_YCr0.5Fe0.5O3.mcif

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Spin lattice of Y1Cr0.5Fe0.5O3Spin lattice of Y1Cr0.5Fe0.5O3

Y1Cr0.5Fe0.5O3

MAGNDATA entry 0.946 · source
d-wave altermagnet
No net magnetisation, yet the electron bands are spin-split: the up and down spin sublattices are related only by a rotation or mirror, never by a shift or inversion. d-wave: the splitting changes sign twice around the Fermi surface (2 nodal planes).
Spin group ¹m²m²m: each symmetry marked ¹ keeps every spin, ² swaps up and down.
ordered ≤ 260 K (−13 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.
Structure · 11 properties
Magnetic groupP 21/m BNS 11.50
Point group2/m
Parent space groupP n m a No. 62
Spinscollinear · 2 nodal planes · net moment 0 μB per cell
Propagation[0 0 0] 1k
Cella 5.5543 · b 7.5575 · c 5.2543 Å · α 90° · β 90° · γ 90°
Transition260 K (−13 °C)
Measured at2 K
Magnetic ionsCr, Fe
Largest moment component3.12 μB
MethodNPD

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 21/m →
Atom sites · 10 sites · CSV
siteelementxyzmambmc|m| (μB)
Y1_1Y0.06820.250.9822
Y1_2Y0.43180.750.4822
Cr1_1Cr000.5−1.2803.123.3724
Cr1_2Cr0.5001.280−3.123.3724
Fe1_1Fe000.5−1.2803.123.3724
Fe1_2Fe0.5001.280−3.123.3724
O1_1O0.46170.250.1087
O1_2O0.03830.750.6087
O2_1O0.30270.05570.6924
O2_2O0.19730.94430.1924

Moment components are along the crystal axes a, b, c (μB), as magCIF writes them. Symmetry generates the rest of the cell from these sites.

Source

J. Y. Yang et al. PHYSICAL REVIEW B (2020) · doi:10.1103/PhysRevB.101.014415

Cite the original paper and MAGNDATA, not this mirror.

Original file

⬇ 0.946_YCr0.5Fe0.5O3.mcif from MAGNDATA · entry page

sha256 of this copy: 6d2f769a4a3f143960dab2590b4d27e094ec0336ea601faa3ccc03c9860f2e2e
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 0.946_YCr0.5Fe0.5O3.mcif.