Nature

Ordering and manipulation of the magnetic moments in large-scale superconducting π-loop arrays

Figure 2: Scanning SQUID micrograph of the flux state in a section of a triangular lattice (T = 4.2 K). In the zigzag configuration, all the half-fluxons are generated in a singly connected ...
Nature

Integer and half-integer flux-quantum transitions in a niobium–iron pnictide loop

Figure 1: Schematic of the experimental set-up. Figure 2: Induced flux of the composite Nb–NdFeAsO 0.88 F 0.12 loop with applied flux. Figure 3: Integer flux-quantum jumps in the composite Nb–NdFeAsO ...