Research Article
Electronic Structure and Magnetic Coupling of Pure and Mg-Doped KCuF3
Table 4
Magnetic coupling parameters between Cu pairs in ab planes (
) and along the c axis (
).
| | Material | Transition | Jab (K) | Jc (K) |
| | KCuF3 | F - AF1 | | -631 |
| | KCuF3 | AF2 - AF3 | | -620 |
| | KCuF3 | AF1 - AF3 | 17 | |
| | KCuF3 | F - AF2 | 7 | |
| | F - AF1 | | -655 |
| | AF2 - AF3 | | -611 |
| | AF1 - AF3 | 8 | |
| | F - AF2 | 28 | |
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