La8Cu7O19
MAGNDATA entry 2.37 · source
noncoplanar magnet
Spins pointing in three dimensions, not confined to a plane.
ordered ≤ 103 K (−170 °C)Colour: where that sits relative to 25 °C. Saturation: how much margin it has.Research/Sitter/MAGNDATA / 2.37_La8Cu7O19.mcif
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| Magnetic group | PS 1 BNS 2.7 |
| 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 27.662 · b 7.516 · c 34.592 Å · α 90° · β 99.3° · γ 90° |
| Transition | 103 K (−170 °C) |
| Measured at | 10 K |
| Magnetic ions | Cu |
| Largest moment component | 1.29 μB |
| Method | NSD |
| site | element | x | y | z | ma | mb | mc | |m| (μB) |
|---|---|---|---|---|---|---|---|---|
| La1_1 | La | 0.2182 | 0.4848 | 0.3178 | ||||
| La1_2 | La | 0.7819 | 0.4848 | 0.1822 | ||||
| La1_3 | La | 0.4682 | 0.7348 | 0.3178 | ||||
| La1_4 | La | 0.0319 | 0.7348 | 0.1822 | ||||
| La2_1 | La | 0.1498 | 0.2326 | 0.3933 | ||||
| La2_2 | La | 0.8502 | 0.2326 | 0.1067 | ||||
| La2_3 | La | 0.3998 | 0.4825 | 0.3933 | ||||
| La2_4 | La | 0.1002 | 0.4825 | 0.1067 | ||||
| La3_1 | La | 0.2748 | 0.4999 | 0.4228 | ||||
| La3_2 | La | 0.7252 | 0.4999 | 0.0772 | ||||
| La3_3 | La | 0.5248 | 0.7499 | 0.4228 | ||||
| La3_4 | La | 0.9752 | 0.7499 | 0.0772 | ||||
| La4_1 | La | 0.0908 | 0.2374 | 0.2877 | ||||
| La4_2 | La | 0.9092 | 0.2374 | 0.2123 | ||||
| La4_3 | La | 0.3408 | 0.4874 | 0.2877 | ||||
| La4_4 | La | 0.1592 | 0.4874 | 0.2123 | ||||
| Cu1_1 | Cu | 0 | 0.4755 | 0.25 | 0 | 0.69 | 0 | 0.69 |
| Cu1_2 | Cu | 0.25 | 0.2255 | 0.25 | −0.69 | 0 | 0 | 0.69 |
| Cu2_1 | Cu | 0.3096 | 0.2592 | 0.3582 | 0.73 | 0 | 0 | 0.73 |
| Cu2_2 | Cu | 0.1904 | 0.2592 | 0.1418 | 0.73 | 0 | 0 | 0.73 |
| Cu2_3 | Cu | 0.0596 | 0.0092 | 0.3582 | 0 | −0.73 | 0 | 0.73 |
| Cu2_4 | Cu | 0.4404 | 0.0092 | 0.1418 | 0 | 0.73 | 0 | 0.73 |
| Cu3_1 | Cu | 0.3664 | 0.2545 | 0.4691 | −1.15 | −0.2 | 0 | 1.1673 |
| Cu3_2 | Cu | 0.1336 | 0.2545 | 0.0309 | −0.26 | 0.3 | 1.06 | 1.1706 |
| Cu3_3 | Cu | 0.1164 | 0.0045 | 0.4691 | 0.66 | 0.96 | 0.25 | 1.1689 |
| Cu3_4 | Cu | 0.3836 | 0.0045 | 0.0309 | 0.08 | −1.16 | −0.1 | 1.1682 |
| Cu4_1 | Cu | 0.2939 | 0.1867 | 0.5243 | 0.24 | −1.29 | 0.21 | 1.3227 |
| Cu4_2 | Cu | 0.2061 | 0.1867 | 0.9757 | 0.19 | 1.12 | −0.65 | 1.324 |
| Cu4_3 | Cu | 0.0439 | 0.4368 | 0.5243 | −0.68 | −1.13 | −0.16 | 1.3152 |
| Cu4_4 | Cu | 0.4561 | 0.4368 | 0.9757 | −0.62 | 1.17 | −0.14 | 1.3209 |
| O1_1 | O | 0 | 0.213 | 0.25 | ||||
| O1_2 | O | 0.25 | 0.463 | 0.25 | ||||
| O2_1 | O | 0.2808 | 0.2406 | 0.304 | ||||
| O2_2 | O | 0.7192 | 0.2406 | 0.196 | ||||
| O2_3 | O | 0.5308 | 0.4906 | 0.304 | ||||
| O2_4 | O | 0.9692 | 0.4906 | 0.196 | ||||
| O3_1 | O | 0.3394 | 0.2453 | 0.4138 | ||||
| O3_2 | O | 0.6605 | 0.2453 | 0.0862 | ||||
| O3_3 | O | 0.5895 | 0.4953 | 0.4138 | ||||
| O3_4 | O | 0.9105 | 0.4953 | 0.0862 | ||||
| O4_1 | O | 0.3101 | 0.0073 | 0.3586 | ||||
| O4_2 | O | 0.6899 | 0.0073 | 0.1414 | ||||
| O4_3 | O | 0.5601 | 0.2574 | 0.3586 | ||||
| O4_4 | O | 0.9399 | 0.2574 | 0.1414 | ||||
| O5_1 | O | 0.3673 | 0.2493 | 0.5271 | ||||
| O5_2 | O | 0.6328 | 0.2493 | 0.9729 | ||||
| O5_3 | O | 0.6172 | 0.4994 | 0.5271 | ||||
| O5_4 | O | 0.8828 | 0.4994 | 0.9729 | ||||
| O6_1 | O | 0.3885 | 0.2369 | 0.3366 | ||||
| O6_2 | O | 0.6115 | 0.2369 | 0.1634 | ||||
| O6_3 | O | 0.6385 | 0.4869 | 0.3366 | ||||
| O6_4 | O | 0.8615 | 0.4869 | 0.1634 | ||||
| O7_1 | O | 0.3065 | 0.0198 | 0.568 | ||||
| O7_2 | O | 0.6935 | 0.0198 | 0.932 | ||||
| O7_3 | O | 0.5565 | 0.2697 | 0.568 | ||||
| O7_4 | O | 0.9435 | 0.2697 | 0.932 | ||||
| O8_1 | O | 0.2736 | 0.261 | 0.4699 | ||||
| O8_2 | O | 0.7264 | 0.261 | 0.0301 | ||||
| O8_3 | O | 0.5236 | 0.511 | 0.4699 | ||||
| O8_4 | O | 0.9764 | 0.511 | 0.0301 | ||||
| O9_1 | O | 0.2276 | 0.2283 | 0.3716 | ||||
| O9_2 | O | 0.7723 | 0.2283 | 0.1284 | ||||
| O9_3 | O | 0.4777 | 0.4783 | 0.3716 | ||||
| O9_4 | O | 0.0223 | 0.4783 | 0.1284 | ||||
| O10_1 | O | 0.1691 | 0.2359 | 0.2689 | ||||
| O10_2 | O | 0.8308 | 0.2359 | 0.2311 | ||||
| O10_3 | O | 0.4192 | 0.4859 | 0.2689 | ||||
| O10_4 | O | 0.0809 | 0.4859 | 0.2311 |
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.
K. Prokes et al. PHYSICAL REVIEW B (2017) · doi:10.1103/PhysRevB.95.024405
Cite the original paper and MAGNDATA, not this mirror.
⬇ 2.37_La8Cu7O19.mcif from MAGNDATA · entry page
sha256 of this copy: 22796a357a508e07ee2183c29a6dc3d1d538c35d418730b462cc44c80ec6f627
The mirror keeps the bytes Bilbao served, so the original should hash the same unless MAGNDATA has revised the entry since: shasum -a 256 2.37_La8Cu7O19.mcif.