Recently, a group of researchers discovered a novel way to achieve spin-valve effects using kagome quantum magnets. "This approach uses a prototype device made from the kagome magnet TmMn₆Sn₆ ...

A research team has achieved multilevel spin-based modulation of magnetoresistance in high-performance organic spin valve (OSV) devices. The study was published in Advanced Materials. As a new ...

Mechanism of Tunneling Magnetoresistance The TMR effect relies on the spin-dependent tunneling of electrons through the insulating barrier. In ferromagnetic materials, the electronic band structure is ...

A new topological magnet with colossal angular magnetoresistance. Trillion percent change of resistance can be achieved in the new material by simply rotating the direction of spin.

Giant magnetoresistance (GMR) is a quantum mechanical effect observed in thin film structures composed of alternating ferromagnetic and non-magnetic layers. It is characterized by a significant change ...

More information: Seunghyeon Noh et al, Tunneling Magnetoresistance in Altermagnetic RuO2 -Based Magnetic Tunnel Junctions, Physical Review Letters (2025). DOI: 10.1103/nrk5-5zrj ...

A new topological magnet with colossal angular magnetoresistance Trillion percent change of resistance can be achieved in the new material by simply rotating the direction of spin Date: November ...

Chemists from the National University of Singapore (NUS) have developed a scalable hydrothermal approach for obtaining ferromagnetic single-atom spin catalysts which can boost the efficiency of ...