Terbium oxide works as a multiferroic even at 160 ℃, furthering spintronics, lower power memory devices, and light diodes

"https://www.eurekalert.org/news-releases/1072275

combines 2 functionalities: coupling between electric polarization and physical strain (piezoelectric effect), and coupling between physical strain/ magnetization... activates coupling between electric polarization and magnetization (magnetoelastic effect) at high temperatures, the most useful functionality of multiferroics... raises working temperature of multiferroics, enabling them to operate stably at room temperature or higher. This breakthrough could lead to power-saving spintronics devices, advanced optical devices, and more"