Ca3CuNi2(PO4)4
MAGNDATA entry 2.9 · source
noncoplanar magnet
Spins pointing in three dimensions, not confined to a plane.
ordered ≤ 20 K (−253 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.Research/Sitter/MAGNDATA / 2.9_Ca3CuNi2(PO4)4.mcif
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| Magnetic group | Ca 2/c BNS 15.91 |
| Point group | 2/m1′ |
| Parent space group | C 2/c No. 15 |
| Spins | noncoplanar · net moment 0 μB per cell |
| Propagation | [1/2 1/2 0] · [-1/2 1/2 0] 2k |
| Cell | a 35.4348 · b 9.6422 · c 17.8475 Å · α 90° · β 123.64° · γ 90° |
| Transition | 20 K (−253 °C) |
| Measured at | 1.5 K |
| Magnetic ions | Cu, Ni |
| Largest moment component | 1.7917 μB |
| Method | NPD |
| site | element | x | y | z | ma | mb | mc | |m| (μB) |
|---|---|---|---|---|---|---|---|---|
| Cu1_1 | Cu | 0 | 0.25 | 0 | 0.3228 | −0.1426 | −0.3601 | 0.6189 |
| Cu1_2 | Cu | 0.75 | 0 | 0 | −0.3228 | 0.1426 | 0.3601 | 0.6189 |
| Ni2_1 | Ni | 0.31 | 0.2681 | 0.9671 | 0.1539 | −0.1984 | −1.7917 | 1.8918 |
| Ni2_2 | Ni | 0.06 | 0.0181 | 0.9671 | −0.1539 | 0.1984 | 1.7917 | 1.8918 |
| Ca1_1 | Ca | 0 | 0.4755 | 0.25 | ||||
| Ca1_2 | Ca | 0.25 | 0.7255 | 0.25 | ||||
| Ca2_1 | Ca | 0.3834 | 0.222 | 0.3614 | ||||
| Ca2_2 | Ca | 0.6333 | 0.4721 | 0.3614 | ||||
| P1_1 | P | 0.0466 | 0.4958 | 0.1257 | ||||
| P1_2 | P | 0.2967 | 0.7458 | 0.1257 | ||||
| P2_1 | P | 0.1703 | 0.4749 | 0.1111 | ||||
| P2_2 | P | 0.4203 | 0.7249 | 0.1111 | ||||
| O1_1 | O | 0.0896 | 0.0406 | 0.2121 | ||||
| O1_2 | O | 0.3397 | 0.2905 | 0.2121 | ||||
| O2_1 | O | 0.2555 | 0.2607 | 0.1301 | ||||
| O2_2 | O | 0.5056 | 0.5107 | 0.1301 | ||||
| O3_1 | O | 0.0508 | 0.3484 | 0.0995 | ||||
| O3_2 | O | 0.3009 | 0.5984 | 0.0995 | ||||
| O4_1 | O | 0.0401 | 0.0906 | 0.0477 | ||||
| O4_2 | O | 0.29 | 0.3406 | 0.0477 | ||||
| O5_1 | O | 0.199 | 0.0519 | 0.1972 | ||||
| O5_2 | O | 0.449 | 0.3019 | 0.1972 | ||||
| O6_1 | O | 0.1782 | 0.0241 | 0.0381 | ||||
| O6_2 | O | 0.4281 | 0.2741 | 0.0381 | ||||
| O7_1 | O | 0.4271 | 0.0672 | 0.122 | ||||
| O7_2 | O | 0.6771 | 0.3171 | 0.122 | ||||
| O8_1 | O | 0.1206 | 0.4983 | 0.0806 | ||||
| O8_2 | O | 0.3706 | 0.7483 | 0.0806 |
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.
V.Y. Pomjakushin et al. PHYSICAL REVIEW B (2007) · doi:10.1103/PhysRevB.76.174433
Cite the original paper and MAGNDATA, not this mirror.
⬇ 2.9_Ca3CuNi2(PO4)4.mcif from MAGNDATA · entry page
sha256 of this copy: bb8baf002eb2b9193af5da1c7ca94e9cc3e4914c3e663c4264b200df08c6bd05
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 2.9_Ca3CuNi2(PO4)4.mcif.