Figure 3
From: Controlled transitions between metastable states of 2D magnetocapillary crystals
(a) First experimental setup composed of three Helmholtz coils producing uniform magnetic fields \((B_x,B_y,B_z)\) in the center of the system where the floating crystal self-assemble. (b) Influence of a horizontal magnetic field on the magnetic interaction between two particles. (c) The cycle ABC in the \((B_x,B_y)\) plane induces structural modifications in the floating crystal and a probability of changing state.
