October 23, 2020 - Cryogen-free magnets are around for EPR spectroscopy for a while already, however, in recent years they also become more popular for NMR spectroscopy (solids and solutions).
February 5, 2020 - Liquid cryogen-free magnets are typically used in gyrotrons. However, they are often thought to be not suitable for NMR due to vibrations of the cold-head.