June 8, 2026
National Institutes for Quantum Science and Technology(QST)
University of Hyogo
Japan Synchrotron Radiation Research Institute(JASRI)
Abstract
A research team led by Group Leader SAKAI Seiji of the Quantum Materials and Applications Research Center, Takasaki Institute for Advanced Quantum Science, QST, in collaboration with researchers from University of Hyogo, JASRI (Japan Synchrotron Radiation Research Institute), Institute of Science Tokyo, and NTT Corporation, has developed a new magnetic memory material that can be rewritten using laser light instead of electric current. The newly developed artificial ferrimagnetic material enables reliable switching of magnetic states with a single ultrashort laser pulse, opening a pathway toward next-generation magnetic memory that is approximately 1,000 times faster and more energy-efficient than conventional technologies.
The results of this study were published online in the journal Applied Physics Letters on June 8, 2026 as an Editor's Pick paper (DOI: 10.1063/5.0328535).
EurekAlert!
The results were also featured on EurekAlert! on June 11, 2026(UTC).
Light-driven memory could slash AI energy use | EurekAlert!