High-performance Fe-based superconducting materials for high magnetic field applications

用于高磁场应用的高性能铁基超导材料

• 批准号: 410414581
• 负责人: Professor Dr. Bernhard Holzapfel
• 金额: --
• 依托单位: National Natural Science Foundation of China
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2019
• 资助国家: 德国
• 起止时间: 2018-12-31 至 2021-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/410414581?language=en
• 关键词: performance; Fe; based; superconducting; materials

High-field magnets are important tools for medical diagnostics as well as the characterization of material properties and are indispensable for many research areas. Providing highest magnetic fields up to technical feasibility limits is a crucial prerequisite for outstanding basic and applied research. Superconducting materials are the key ingredient for generating strong magnetic fields, and so far the classic superconductors NbTi and NbSn3 limit the available magnetic field strength to about 21 T. Besides the cuprate-based high-temperature superconductors, the recently discovered Fe-based superconductors might open the possibility to shift the accessible upper field limit to much higher values. The proposed project will address this target to develop and test the worldwide first Fe-based superconducting high magnetic field insert coil by combining the expertise of Karlsruhe Institute of Technology (KIT) and the Chinese Academy of Sciences (CAS) in the fields of physics, materials sciences, and engineering. The research group at the Institute for Technical Physics (ITEP) at KIT will contribute to this goal with its material expertise and will study and improve the superconducting critical current properties in high magnetic fields. The research group at the Institute for Electrical Engineering (IE-CAS) will develop and synthesize high-Jc wires, which can be used to realize a superconducting high-field insert coil.

高场磁体是医学诊断和材料性能表征的重要工具，对许多研究领域都是不可或缺的。提供达到技术可行性极限的最高磁场是杰出的基础和应用研究的关键前提。超导材料是产生强磁场的关键材料，到目前为止，经典超导体NbTi和NbSn3将可用磁场强度限制在21T左右。除了铜酸盐系高温超导体外，最近发现的铁基超导体可能会将可获得的磁场上限移动到更高的值。拟议的项目将结合卡尔斯鲁厄理工学院(KIT)和中国科学院(CAS)在物理、材料科学和工程领域的专业知识，针对这一目标开发和测试全球首个铁基超导强磁场插入线圈。技术物理研究所(ITEP)在KIT的研究小组将以其材料专业知识为这一目标做出贡献，并将研究和改进强磁场中的超导临界电流特性。电气工程研究所(IE-CAS)的研究小组将开发和合成高JC导线，这种导线可用于实现超导强场插入线圈。