平顶脉冲磁场是强磁场技术的前沿方向，兼具稳态与脉冲两种磁场的优势，能实现高磁场强度且在一段 时间保持高稳定度，为核磁共振等研究提供独特的实验条件。 强电磁力下，磁体结构如何保持稳定？大电流如何精确调控？针对这两项难题，李亮团队在材料与调控 技术上实现突破，自主研制出高强高导铜银合金导线，抗拉强度较原有材料提升近40%；将瞬态控制问 题创新性地转化为逆向电路拓扑设计，实现预构磁场波形精准生成。最终，李亮团队以高稳定性的 71.36特斯拉平顶脉冲磁场刷新世界纪录，场强比国外现有水平高19%。 约4000平方米的实验区里，各类磁体、电源、仪器密布；启动实验装置，机器发出轰鸣，放电瞬间，可 形成最高相当于地球磁场200万倍的强磁场。 这是华中科技大学国家脉冲强磁场科学中心，国家重大科技基础设施——脉冲强磁场实验装置坐落于 此。近日，借助这一设施，科学中心教授李亮团队成功实现71.36特斯拉平顶脉冲磁场，进一步巩固了 我国在该领域的国际领先地位。此前，该团队于2018年创下64特斯拉世界纪录。 "脉冲强磁场设施是产生高强磁场的最有效手段。"李亮说，强磁场虽然看不见摸不着，却是现代科学实 验的重要条件之一，能够产生极强的 ...

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]