Tb1Mn2Ge2
MAGNDATA entry 3.20 · source
noncollinear ferrimagnet
Opposite moments of different size leave a net magnetisation.
ordered ≤ 26 K (−247 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.Research/Sitter/MAGNDATA / 3.20_TbMn2Ge2.mcif
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| Magnetic group | P 1 BNS 2.4 |
| Point group | 1 |
| Parent space group | I 4/m m m No. 139 |
| Spins | coplanar · net moment 30.4 μB per cell |
| Propagation | [0 0 0] · [1 1 1] · [0 1/2 0] 3k |
| Cell | a 3.972 · b 7.944 · c 10.758 Å · α 90° · β 90° · γ 90° |
| Transition | 26 K (−247 °C) |
| Measured at | 4.2 K |
| Magnetic ions | Mn, Tb |
| Largest moment component | 7.6 μB |
| Method | NPD |
| site | element | x | y | z | ma | mb | mc | |m| (μB) |
|---|---|---|---|---|---|---|---|---|
| Mn1_1 | Mn | 0 | 0.25 | 0.25 | 0 | 0 | 2.3 | 2.3 |
| Mn1_2 | Mn | 0.5 | 0.5 | 0.75 | 0 | 0 | −2.3 | 2.3 |
| Mn1_3 | Mn | 0.5 | 0 | 0.75 | 0 | 0 | −2.3 | 2.3 |
| Mn1_4 | Mn | 0 | 0.75 | 0.25 | 0 | 0 | 2.3 | 2.3 |
| Tb1_1 | Tb | 0 | 0 | 0 | 2.46 | −4.92 | 7.6 | 9.3818 |
| Tb1_2 | Tb | 0.5 | 0.75 | 0.5 | −2.46 | 4.92 | 7.6 | 9.3818 |
| Ge1_1 | Ge | 0 | 0 | 0.3797 | ||||
| Ge1_2 | Ge | 0.5 | 0.75 | 0.8797 | ||||
| Ge1_3 | Ge | 0 | 0 | 0.6203 | ||||
| Ge1_4 | Ge | 0.5 | 0.75 | 0.1203 |
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. Leciejewicz et al. Solid State Communications (1984) · doi:10.1016/0038-1098(84)90587-8
Cite the original paper and MAGNDATA, not this mirror.
⬇ 3.20_TbMn2Ge2.mcif from MAGNDATA · entry page
sha256 of this copy: cf3eb438fc4d6cc32f56853aaa5022b9f7b9f79f37b42bbd9abe993a294f0632
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 3.20_TbMn2Ge2.mcif.