2025 breakthroughs

<li Researchers from the University of Cambridge (UK) and Université Paris-Saclay (France) unveiled an organic diradical molecule whose fluorescence hue depends on spin alignment, orange for parallel (triplet) and near-infrared for antiparallel (singlet) spins, in Nature Chemistry with Rituparno Chowdhury as first author. <li A France-based team from C12 Quantum Electronics and École Normale Supérieure achieved a 1.3 microsecond qubit coherence time in a purified 12C nanotube electron-spin qubit, using a suspended carbon nanotube double quantum dot in a microwave cavity at 0.3 K and controlled by cavity photons. <li Pan Jianwei’s team at the University of Science and Technology