From the spinning disc of a computer’s hard drive to varying current in a transformer, many technological devices work by merging electricity and magnetism. Enter multiferroics, which combine 2 or more primary ferroic properties. Northwestern University’s James Rondinelli and his research team are interested in combining ferromagnetism and ferroelectricity, which rarely coexist in one material at room temperature.
In order for ferroelectricity to exist, the material must be insulating. So nearly every approach to date has focused on searching for multiferroics in insulating magnetic oxides. Rondinelli’s team started with a different approach...
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