NSRRC TPS 41A Team Uncovers Signatures of Bi-Altermagnetism in Nature Communications
2026/11/11
A research team from the NSRRC, in collaboration with Prof. Atsushi Hariki of Osaka Metropolitan University in Japan, have identified key signatures of bi-altermagnetism in iron molybdenum oxide for the first time. The NSRRC team includes Dr. Ganesha Channagowdra, Dr. Hsiao-Yu Huang, Distinguished Scientist Dr. Di-Jing Huang, and Distinguished Visiting Scholar Prof. Atsushi Fujimori. This finding offers new insights into the development of quantum magnetic materials with zero net magnetic moment and spin functionality. The results have been published in the high-impact journal Nature Communications.
Using circular dichroism in resonant inelastic X-ray scattering (RIXS-CD) at TPS 41A of the NSRRC, the research team successfully uncovered signatures of bi-altermagnetism in Fe2Mo3O8. By comparing the scattering signals from left- and right-circularly polarized X-rays, the team revealed distinct magnetic features in two different iron environments, providing experimental evidence of symmetry breaking in both magnetic sublattices. This study demonstrates the potential of synchrotron X-ray scattering as a powerful tool for probing hidden magnetic structures and exploring novel magnetic materials.
