Sr2Mn1Si2O7
MAGNDATA entry 1.823 · 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 / 1.823_Sr2MnSi2O7.mcif
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| Magnetic group | Pc 21 21 21 BNS 19.28 |
| Point group | 2221′ |
| Parent space group | P 4 21 m No. 113 |
| Spins | coplanar · net moment 0 μB per cell |
| Propagation | [0 0 1/2] 1k |
| Cell | a 8.148 · b 8.131 · c 10.32 Å · α 90° · β 90° · γ 90° |
| Measured at | 2.8 K |
| Magnetic ions | Mn |
| Largest moment component | 3.14 μB |
| Method | NSD |
| site | element | x | y | z | ma | mb | mc | |m| (μB) |
|---|---|---|---|---|---|---|---|---|
| Mn1 | Mn | 0 | 0 | 0 | 0.3 | 3.14 | 0 | 3.1543 |
| Sr1 | Sr | 0.8342 | 0.3334 | 0.2469 | ||||
| Si1 | Si | 0.637 | 0.1375 | 0.0307 | ||||
| O1 | O | 0 | 0.5 | 0.4161 | ||||
| O2 | O | 0.6404 | 0.1396 | 0.3752 | ||||
| O3_1 | O | 0.0779 | 0.1958 | 0.3954 | ||||
| O3_2 | O | 0.1968 | 0.9218 | 0.6045 |
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.
Y. Nambu et al. Acta Cryst. B (2024) · doi:10.1107/S2052520624007625
Cite the original paper and MAGNDATA, not this mirror.
⬇ 1.823_Sr2MnSi2O7.mcif from MAGNDATA · entry page
sha256 of this copy: 37b943fc6fad3c066ebef0d2887c0470d4fb663d6dcb9d30ebed461519bfd6d7
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 1.823_Sr2MnSi2O7.mcif.