The phonon and magnetic properties. (IMAGE) Science China Press Caption The van-Hove singularities, phonon softening, and lattice dimerization. The zigzag-type anti-ferromagnetism arising from interstitial electrons, IAEs-decomposed density of states, and pressure-dependent enthalpy curves for the distorted and undistorted structures with various magnetic orders. Credit ©Science China Press Usage Restrictions Use with credit. License Original content 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.