【科技日报】我国研发的微观世界“超级相机”交付使用

Core Insights - The first high-energy direct geometry inelastic neutron scattering time-of-flight spectrometer in China has been accepted and put into use, serving as an important platform for studying the dynamic properties of materials [1][2] - This spectrometer can detect the dynamic processes of atoms and molecules on a picosecond timescale, providing insights into how they vibrate, rotate, and transfer energy [1] - It fills a gap in inelastic neutron scattering above 100 meV in China, allowing for the measurement of both spatial distribution and energy changes of scattered neutrons [1] Technical Features - The spectrometer utilizes the non-charged and penetrating nature of neutrons to directly probe the microscopic movements within materials [1] - It can switch rapidly between multi-wavelength and single-wavelength modes using a Fermi chopper and bandwidth chopper, enhancing measurement capabilities [1] - The large detector area enables a white beam Laue camera mode, facilitating rapid detection of structural and magnetic information in single crystal materials [2] Research Applications - The spectrometer will provide critical microscopic structural dynamics information for frontier research in high-temperature superconductivity, quantum magnetism, thermoelectric material transport properties, ionic diffusion mechanisms in batteries, and biological material activity [2]