Bimodal approach to investigating fluctuations in van der Waals antiferromagnets

Multimodal spectroscopy can be used to provide a more complete picture of the nature of fluctuations in van der Waals antiferromagnets approaching a two-dimensional antiferromagnetic transition. Nuclear magnetic resonance (NMR) and sensors based on magnetic tunneling junctions (MTJs) are used to provide complementary information about the nature of these fluctuations. NMR is a good probe of fluctuations within the entire material whereas MTJs can detect magnetic fluctuations with high spatial and temporal resolution. In this way, these two methods of spectroscopy complement each other by providing insights into the fluctuations within the sample as a whole and at a more localized level. This talk will discuss the results of measuring van der Waals antiferromagnets using this bimodal approach.