Figure 6
From: Direct-write of free-form building blocks for artificial magnetic 3D lattices

Micro-Hall magnetometry measurement results and micromagnetic simulations for nano-trees. (a) 3D-view and cross sections of nano-tree assuming a Co3Fe core (red) and Co2FeO4 spinel shell (gray), according to scenario 2 (core-shell structure). (b–d) Comparison of the magnetic hysteresis loops at T = 30 K and micromagnetic simulations for T = 0 K with or without core-shell structure (as indicated) for selected angles 0°, −75° and −90°, respectively. Arrows indicate the direction of field sweeps.