Core Viewpoint - The acceptance of China's first high-energy direct geometry non-elastic neutron scattering time-of-flight spectrometer marks a significant advancement in the ability to investigate the microscopic movements within materials, which will support various fundamental research areas [1] Group 1: Instrument Features - The high-energy non-elastic spectrometer utilizes the non-charged and penetrating characteristics of neutrons to directly detect microscopic movements within materials [1] - It features a large detector area and a white light Laue camera working mode, facilitating rapid detection of structural and magnetic information in single crystal materials [1] Group 2: Research Applications - The instrument will provide critical microscopic structural dynamics information for cutting-edge research in high-temperature superconductivity, quantum magnetic mechanisms, thermoelectric material transport properties, ion diffusion mechanisms in batteries, and the activity of biomaterials [1] - It supports the development of multiple fundamental disciplines, including physics, chemistry, materials science, and biology [1]

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]

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 observe not only the static structure of materials but also the dynamic processes of atoms and molecules on a picosecond timescale, capturing every moment of atomic and molecular vibrations, rotations, and energy transfer [1] - The unique feature of this spectrometer is its ability to directly probe the microscopic movements within materials using neutrons, which are uncharged and have strong penetration capabilities [1] Group 1 - The high-energy inelastic neutron scattering spectrometer fills a gap in China's capability for inelastic neutron scattering above 100 meV, allowing for the measurement of both spatial distribution and energy changes of scattered neutrons [1] - It can measure the dynamic behavior of microscopic structures in both momentum and energy space, utilizing a combination of Fermi chopper and bandwidth chopper for rapid switching between multi-wavelength and single-wavelength modes [1][2] Group 2 - The spectrometer features a white beam Laue camera mode, which aids in the rapid detection of structural and magnetic information of single crystal materials [2] - It will provide critical microscopic structural dynamics information for advanced research in high-temperature superconductivity, quantum magnetism, thermoelectric material transport properties, ion diffusion mechanisms in batteries, and biological material activity [2] - The collaboration project for the neutron spectrometer began in 2017 between Sun Yat-sen University and the Institute of High Energy Physics of the Chinese Academy of Sciences, culminating in the official unveiling of the spectrometer in November 2023 after over two years of debugging [2]

Core Points - The first high-energy direct geometry inelastic neutron scattering time-of-flight spectrometer in China has been successfully delivered and accepted for use, marking a significant advancement in the field of inelastic neutron scattering [2][3] - The spectrometer fills a gap in inelastic neutron scattering above 100 MeV, indicating a key step forward for China in this scientific area [2] - The spectrometer is designed to provide insights into the dynamic information of materials at the atomic level, enabling the study of various physical and chemical processes [3] Summary by Sections - **Development and Collaboration** - The high-energy spectrometer was developed through a collaboration between Sun Yat-sen University and the Institute of High Energy Physics of the Chinese Academy of Sciences, formalized in a cooperation agreement signed in December 2017 [2] - The successful acceptance of the spectrometer was confirmed by experts who evaluated its performance against design specifications [2] - **Technical Capabilities** - The spectrometer utilizes the unique properties of neutrons, which are electrically neutral and have strong penetration capabilities, allowing for direct observation of microscopic movements within materials [2] - It can detect dynamic processes of atoms and molecules on a picosecond timescale, capturing how they vibrate, rotate, and transfer energy [3] - **Applications and Impact** - The high-energy spectrometer will support advanced research in various fields, including high-temperature superconductivity, quantum magnetism, thermoelectric materials, ion diffusion in batteries, and biological materials [3] - As a major national scientific infrastructure, it will be open for use across multiple disciplines, providing robust support for fundamental research in physics, chemistry, materials science, and biology [3]

Core Viewpoint - 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, filling a gap in inelastic neutron scattering above 100 meV in China [2]. Group 1 - The high-energy inelastic neutron spectrometer is likened to a "super camera" that can not only visualize the static structure of materials but also detect dynamic processes at the picosecond timescale, capturing how atoms and molecules vibrate, rotate, and transfer energy [2]. - This spectrometer utilizes the unique properties of neutrons, which are electrically neutral and have strong penetration capabilities, allowing for direct detection of microscopic movements within materials through inelastic collisions with atomic nuclei [2]. - The large detector area and the special white beam Laue camera mode will facilitate rapid detection of structural and magnetic information in single crystal materials, providing critical insights for advanced research in high-temperature superconductivity, quantum magnetism, thermoelectric material transport properties, ion diffusion mechanisms in batteries, and the activity of biological materials [2]. Group 2 - 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, promoting the development of fundamental disciplines such as physics, chemistry, materials science, and biology through its open sharing [3].

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]