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Awards, prizes, publications

imcn | Louvain-la-Neuve

2025-12-01
A Single-Molecule Quantum Heat Engine
Particle-exchange heat engines operate without moving parts or time-dependent driving, relying solely on static energy-selective transport. Here, we realize a particle-exchange quantum heat engine based on a single diradical molecule, which is only a few nanometers in size. We experimentally investigate its operation at low temperatures and demonstrate that both the power output and efficiency are significantly enhanced by Kondo correlations, reaching up to 53% of the Curzon–Ahlborn limit. These results establish molecular-scale particle-exchange engines as promising candidates for low-temperature applications where extreme miniaturization and energy efficiency are paramount.
2025-07-02
Bimodal Spin Switch Emerging from Hybridized 2D MoS2/Ferromagnet Interfaces
This study demonstrates a novel integration of 2D semiconductors with ferromagnets using pulsed laser deposition, revealing hybridization-driven spin manipulation. Vertical spin valves with MoS2 and Ni(111) show exotic bimodal spin signals and strong deviations from Jullière’s model. These results highlight the « 2D spinterfaces » key role in unlocking 2D materials’ potential for advanced spintronic applications and novel spin functionalities.