Our new, cake-themed paper on nanostructured permanent magnets has now been published in Applied Physics Letters.
In the paper we present results from micromagnetic simulations that assess the performance of multi-phase nanostructured permanent magnets, whose cross-section resemble that of a Battenberg cake. By including a super-hard outer shell we are able to counteract the effects of thermal fluctuations and surface defects, both of which are detrimental to the performance of such permanent magnets. Such magnets are important for the motors in electric vehicles and for the generators in wind turbines, and these machines usually operate at elevated temperatures.Battenberg cakes can be made in a number of different configurations, and so can Battenberg magnets! Stay tuned for more cake-inspired magnetic nanostructures in the future!