Altermagnetism, the third type of magnet that stunned physics in 2024, had one flaw: no one could steer it. A Tokyo-KEK team aligned its domains in MnTe with a tiny millitesla field and watched them flip with polarized neutrons, with a stray field 10,000 times smaller than a ferromagnet's.
A team led by Japan's QST has shown, for the first time, a magnetic memory that writes with a laser pulse instead of current — and made it work on CoFeB, the alloy already inside commercial chips. Here's how, and why it matters for data-center power.
A Japan-US team from Tohoku University and the US NIST built the first working spintronics probabilistic bit (P-bit) on a single silicon substrate using standard chip-fabrication processes. We explain the coin-flip idea, how it differs from quantum computing (room temperature, existing chip lines), and how far it really is from a product.
A University of Tokyo and RIKEN team has switched a magnet in just 40 picoseconds with almost no heat, using the antiferromagnet Mn3Sn. Published in Science, the result shatters the nanosecond speed limit that has held back chips for years. Here is why the wall stood, and how it fell.
Kyoto Institute of Technology and JST have demonstrated a spinor condensate at room temperature, a quantum state once confined to cryogenic cold. Here is what it means for light-based quantum devices and Japan's distinct path versus Google and USTC.