Low-cost, pseudo-Halbach dipole magnets for NMR

This work has received support from the European Research Council (author DS, grant agreement FP7-205119 R-EvolutioN-MR) and from the European Commission’s Seventh Framework Program (author MCDT under the Marie Curie International Outgoing Fellowship Programme, grant agreement FP7-625054 ODMR-CHEM; author DS, 2007–2013).