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我国科学家在强磁场技术领域取得新突破 观测微观世界,有了更强“放大镜”(探一线)
Ren Min Ri Bao· 2025-08-08 21:41
Core Insights - The research team led by Professor Li Liang at Huazhong University of Science and Technology has achieved a new world record of 71.36 Tesla for a flat-top pulsed magnetic field, reinforcing China's international leadership in this field [1][2] - The pulsed strong magnetic field facility is crucial for modern scientific experiments, enabling the observation of material changes that are not visible under normal conditions, thus acting as a "microscope" for the microscopic world of matter [1][2] - The facility has been open for global collaboration, with over 70% of its usage dedicated to external researchers, facilitating more than 2000 foundational research projects [3] Summary by Sections Achievements - The team successfully created a flat-top pulsed magnetic field of 71.36 Tesla, surpassing previous records by 19% [2] - The facility has transitioned from reliance on foreign resources to becoming a self-sufficient platform for high magnetic field experiments [3] Technological Innovations - Breakthroughs in material and control technology include the development of high-strength copper-silver alloy wires, which have a tensile strength improvement of nearly 40% compared to previous materials [2] - Innovative reverse circuit topology design has enabled precise generation of pre-structured magnetic field waveforms [2] Future Developments - Plans for enhancing the facility's performance include the construction of a 110 Tesla ultra-strong magnetic field and a 9.50 Tesla superconducting pulsed composite magnetic field, along with 10 experimental testing systems [3]