Table 1 Comparison of our work with experimental reports on the elements that generate antivortices over the past decades including material system, shape, magnetocrystalline anisotropy constant, lateral size, etc
From: Stable antivortices in multiferroic ε-Fe2O3 with the coalescence of misaligned grains
Material | Shape | Anisotropy constant | Lateral size | Isolated antivortex | Applied magnetic field | Ref. |
|---|---|---|---|---|---|---|
Permalloy |
| 0 | 50–200 nm | NO | NO | [15−18] |
Permalloy |
| 0 | <1 μm | YES | YES | [19–28] |
2D ε-Fe2O3 |
| 2 × 105 J/m3 | 2–16 μm | YES | NO | This work |
