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我国研发的微观世界“超级相机”成功验收
Xin Hua She· 2025-11-16 16:25
Core Insights - The successful acceptance of China's first high-energy direct geometry inelastic neutron scattering time-of-flight spectrometer marks a significant advancement in observing the microscopic structure and dynamic properties of materials [1][2] - This instrument fills a gap in inelastic neutron scattering above 100 meV in China, enhancing the capability to study material dynamics at the atomic and molecular levels [1] Group 1: Instrument Features - The high-energy inelastic neutron spectrometer is likened to a "super camera" that can visualize both static structures and dynamic processes of materials at the picosecond timescale [1] - It utilizes the unique properties of neutrons, which are electrically neutral and have strong penetration capabilities, to directly detect microscopic movements within materials [1] Group 2: Research Applications - The spectrometer is equipped with a large detector area and features a white beam Laue camera mode, facilitating rapid detection of structural and magnetic information in single crystal materials [1] - It will provide critical microscopic structural dynamics information for cutting-edge research in high-temperature superconductivity, quantum magnetism, thermoelectric material transport properties, ion diffusion mechanisms in batteries, and the activity of biological materials [1] Group 3: National Research Impact - As a key component of national major scientific infrastructure, the high-energy inelastic neutron spectrometer will serve as an important platform for the national research community [2] - Its open access will significantly support the development of fundamental disciplines such as physics, chemistry, materials science, and biology [2]