Cu2Mn1Ge1S4
MAGNDATA entry 1.733 · source
p-wave magnet
Coplanar spins, no net moment, and a translation that reverses every spin: spin splitting that is odd in momentum (p-wave).
Research/Sitter/MAGNDATA / 1.733_Cu2MnGeS4.mcif
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| Magnetic group | Pa c BNS 7.27 |
| Point group | m1′ |
| Parent space group | P m n 21 No. 31 |
| Spins | coplanar · net moment 0 μB per cell |
| Propagation | [1/2 0 1/2] 1k |
| Cell | a 15.22 · b 6.5 · c 12.36 Å · α 90° · β 90° · γ 90° |
| Measured at | 4.2 K |
| Magnetic ions | Mn |
| Largest moment component | 3.3 μB |
| Method | NPD |
| site | element | x | y | z | ma | mb | mc | |m| (μB) |
|---|---|---|---|---|---|---|---|---|
| Ge1 | Ge | 0 | 0.667 | 0.1875 | ||||
| Mn1 | Mn | 0 | 0.333 | 0.4375 | −0.9 | 3.3 | 2.6 | 4.2965 |
| Cu1_1 | Cu | 0.125 | 0.167 | 0.1875 | ||||
| Cu1_2 | Cu | 0.125 | 0.833 | 0.4375 | ||||
| S1 | S | 0 | 0.333 | 0.25 | ||||
| S2 | S | 0 | 0.667 | 0 | ||||
| S3_1 | S | 0.125 | 0.167 | 0 | ||||
| S3_2 | S | 0.125 | 0.833 | 0.25 |
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.
J. Allemand et al. Bull. Soc. fr. Mineral. (1970) · doi:10.3406/bulmi.1970.6446
Cite the original paper and MAGNDATA, not this mirror.
⬇ 1.733_Cu2MnGeS4.mcif from MAGNDATA · entry page
sha256 of this copy: dfbd79a6820e7044c522cc18e2f16f998fb6596ff59a2034ce571e37d3ed71f1
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 1.733_Cu2MnGeS4.mcif.