Fig. 1

a Skecth of a single-sided NMR sensor with open geometry (reproduced with permission from [25]). b Sketch of a single-sided magnet array with a sweet-spot (reproduced with permission from [41]). c Sketch of the geometry of the magnet of the profiler NMR MOUSE. d Sketch of the lift used to reposition the sensitive slice across the sample with a micrometric precision. The object is placed on top of the plate A, which is parallel to the movable plate B where the magnet is mounted (reproduced with permission from [28])