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News

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July 10, 2025 Neither solid nor liquid : Neutrons help reveal an exotic state of matter
A team of researchers recently used the thermal-neutron two-axis diffractometer D23 at the ILL to investigate Na2 BaCo(PO4 )2 (NBCP), a material that surprisingly behaves as a ‘spin supersolid’ -a state combining properties of both a solid and a liquid. Neutrons, acting like tiny magnets themselves, were the ideal probes to reveal the hidden magnetic order and dynamics within this material. This discovery, which is also relevant for energy-efficient cooling, provides the first real-life evidence of a supersolid state in a quantum magnet.
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July 4, 2025 Spinning into the future : polarised neutrons help unravel the mysteries of skyrmions
A recent study, published in Science and Technology of Advanced Materials, and conducted at the Institut Laue-Langevin (ILL), utilised polarised neutron scattering on the D33 instrument to explore skyrmions. This research provided crucial microscopic insights into these magnetic structures. The D33 instrument's unique ability to combine high magnetic fields and  polarised neutrons was essential for understanding skyrmion phase transitions. The findings  can enhance the development of skyrmion-based spintronic devices, which promise lower energy consumption and higher data storage efficiency. The study's methodologies can be applied to other magnetic materials, aiding in the discovery of new phenomena and the development of advanced magnetic materials.