crsb (IMAGE) Johannes Gutenberg Universitaet Mainz Caption The crystal structure of altermagnetic CrSb: the colored bubbles around the Cr atoms (blue) correspond to iso-spin density surfaces. Their anisotropy enables spin polarized currents. Credit ill./©: Libor Šmejkal and Anna Birk Hellenes / JGU Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.