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大学物理实验, 2025, 38(4): 1-6     https://doi.org/10,14139/j.cnki.cn22-1228.2025.04.001
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脉冲激光沉积结合离子交换技术制备铁基超导薄膜教学设计
张亚林 *,李斌,刘金祥
南京邮电大学 理学院,江苏 南京 210023
Instructional Design for Fabricating Iron-Based Superconducting Thin Films via Pulsed Laser Deposition Combined with Ion Exchange
ZHANG Yalin*,LI Bin,LIU Jinxiang
School of Science,Nanjing University of Posts and Telecommunications,Nanjing,210023,China
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摘要 

随着低温物理与量子器件技术的发展,高质量铁基超导薄膜的制备成为凝聚态物理和材料物理领域的重要研究方向。针对传统物理沉积制备过程中的元素偏析问题,基于脉冲激光沉积(PLD)结合离子交换技术设计了铁基超导薄膜的制备与教学实验研究。通过系统介绍 PLD 与离子交换的基本原理,指导学生完成超导薄膜的沉积、离子交换以及后续微观结构与超导性质的表征,着重培养学生的实践能力与科研素养。实验结果表明,FeTe0.5Se0.5薄膜具有优良的元素均匀性、晶体完整性和出色的超导性能,这为相关专业学生深入理解二维超导材料制备与性能调控提供了有力支撑,也为未来高温超导的研究与应用探索了新思路。

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张亚林
李 斌
刘金祥
关键词:  脉冲激光沉积  离子交换  铁基超导薄膜  教学实验研究     
Abstract: 

With the rapid development of low-temperature physics and quantum device technologies,the fabrication of high-quality iron-based superconducting thin films has become a critical research focus in condensed matter and materials physics.To address the issue of elemental segregation often encountered in conventional physical deposition processes,this study designs an instructional experiment that synthesizes FeTe0.5Se0.5superconducting thin films by combining pulsed laser deposition (PLD)with an ion-exchange technology.The course introduces the fundamental principles of PLD and ion exchange,and guides students through thin film deposition,ion exchange processing,and the subsequent characterization of microstructure and superconducting properties,thereby enhancing their practical skills and research competence.experimental results demonstrate that the films fabricated by this approach exhibit excellent elemental homogeneity,high crystallinity,and superior superconducting properties.This teaching design provides students majoring in related fields with a solid foundation for understanding the fabrication and property modulation of two-dimensional superconducting materials,while offering new insights into future research and applications of high-temperature superconductors.

Key words:  pulsed laser deposition    ion exchange    iron-based superconducting thin films    teaching experiment research
               出版日期:  2025-08-25      发布日期:  2025-08-25      整期出版日期:  2025-08-25
ZTFLH:  G 642  
  O 511  
基金资助: 

国家自然科学基金青年基金项目(12404184);江苏省自然科学基金青年项目(BK20230347);江苏省高等教育教改研究课题(2023JSJG774);南京邮电大学教学改革研究项目(JG00723JX18)

引用本文:    
张亚林, 李 斌, 刘金祥. 脉冲激光沉积结合离子交换技术制备铁基超导薄膜教学设计 [J]. 大学物理实验, 2025, 38(4): 1-6.
ZHANG Yalin, LI Bin, LIU Jinxiang. Instructional Design for Fabricating Iron-Based Superconducting Thin Films via Pulsed Laser Deposition Combined with Ion Exchange . Physical Experiment of College, 2025, 38(4): 1-6.
链接本文:  
https://dawushiyan.jlict.edu.cn/CN/10,14139/j.cnki.cn22-1228.2025.04.001  或          https://dawushiyan.jlict.edu.cn/CN/Y2025/V38/I4/1
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