Fig. 2: Tomographic reconstruction of 3D magnetization configuration in the striped domain pattern.

a, b Reconstructed magnetization at the central slices of top and bottom Py layers showing in-plane (m_||) and out-of-plane (m_⊥) components from Tilt series 1(a, φ = 0°) and 2 (b, φ = 102°). Scale bars 1.4 µm. D1 and D2 index the bifurcations in the image. c, d Analysis of the reconstructed magnetization around dislocation D1 for Tilt series 1 (c) and 2 (d): (I) Top view of m_⊥ at central slice of volume model. Red arrows indicate the extracted cross-sections. Cross-sections show in-plane (II, m_||) and out-of-plane (III, m_⊥) components of the reconstructed magnetization for Tilt series 1 (c) and 2 (d). (IV) Sketches showing the closure magnetization structure in the selected cross-sections for Tilt series 1 (c) and 2 (d). Scale bars 700 nm (top view) and 350 nm (cross-section). Gray scale bars indicate the sign of the magnetization. Vertical dashed lines in d indicate the striped domain pattern periodicity (Λ) and the Λ/4 dephasing in between m_||2 and m_⊥2 components in the closure domain structure. e 3D vector representation of the reconstructed magnetization from the selected cross-sections. Black lines indicate the Bloch domain-walls.