Fig. 6From: The Boundary Between Volume and Surface-Driven Magnetic Properties in Spinel Iron Oxide NanoparticlesLow-field magnification of M(H) loops recorded at 5 K after cooling the sample MAG1 from 300 K in zero field (black line and circles) and in 1 T (red line and triangles). In the inset, the extended field range of measurementBack to article page