【中国新闻网】我国首台高能直接几何非弹性中子散射谱仪通过验收

Core Insights - The first high-energy direct geometric inelastic neutron scattering spectrometer in China has been successfully accepted, marking a significant advancement in the field of neutron scattering research [1][2] - This spectrometer fills a gap in the availability of high-energy inelastic neutron scattering instruments above 100 meV in China, providing a crucial research platform for various materials [1] - The spectrometer is designed to expand research capabilities from static material structures to dynamic material behaviors [1] Group 1 - The high-energy inelastic neutron scattering spectrometer, developed by Sun Yat-sen University and the China Spallation Neutron Source Science Center, is referred to as a "super camera" [1] - It began construction in September 2019 and features innovative designs in multi-beam experimental modes, with several self-developed components [1] - The spectrometer achieved its first neutron beam detection on January 12, 2023, after two years of debugging, with an incident neutron energy range of 10-1500 meV and a best energy resolution of 3% [1] Group 2 - The spectrometer utilizes the unique properties of neutrons, such as being electrically neutral and having strong penetration capabilities, to directly probe the microscopic movements within materials [2] - It can detect dynamic processes of atoms and molecules on a picosecond timescale, effectively allowing for "video" recording of material behaviors, unlike other spectrometers that only provide "photographs" [2] - Following its acceptance, the spectrometer will enter a trial operation phase and is expected to be officially available to users by 2026, supporting advanced research in high-temperature superconductivity, quantum magnetism, thermoelectric materials, and more [2]