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材料研究学报    DOI: 10.11901/1005.3093.2025.181
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磁交换作用诱导Mn掺杂MoS2薄膜磁性能增强的研究
丁雁翔,胡文婧,许嘉莹,陈昊睿,缪姗桦,张晓渝
苏州科技大学石湖校区
Magnetic exchange interaction induced the enhancement of magnetic properties in Mn-doped MoS2 thin films
引用本文:

丁雁翔 胡文婧 许嘉莹 陈昊睿 缪姗桦 张晓渝. 磁交换作用诱导Mn掺杂MoS2薄膜磁性能增强的研究[J]. 材料研究学报, 10.11901/1005.3093.2025.181.

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摘要: 本文通过化学气相沉积法制备了不同Mn掺杂浓度的Mo1-xMnxS2薄膜,系统研究了Mn掺杂对Mo1-xMnxS2薄膜晶体结构和磁性能的影响。XPS等测试表明Mn原子被有效地掺入了MoS2薄膜中。低温2 K下测试了样品的磁滞回线,测试表明Mn掺杂有效提升了薄膜的磁性能,饱和磁化强度在x~9.7%时为0.0096 emu/mm3,约为少量Mn掺杂样品的3倍, 矫顽力大约160 Oe。分析认为,Mn掺杂MoS2薄膜后的磁性增强主要归因于Mn原子引入的局域磁矩和增强的磁交换相互作用。Mn的掺杂调控Mo1-xMnxS2薄膜磁性能的研究为拓展该类二维材料在自旋电子学和磁存储器件的应用提供参考。
关键词 材料实验二硫化钼薄膜磁性能锰掺杂磁交换作用    
Abstract:In this paper, Mo1-xMnxS2 thin films with different Mn doping concentrations were prepared by chemical vapor deposition, and the effects of Mn doping on the crystal structure and magnetic properties of Mo1-xMnxS2 thin films were systematically investigated. XPS showed that Mn atoms were efficiently doped into the MoS2 films. The hysteresis lines of the samples were tested at a low temperature of 2 K. The tests showed that Mn doping effectively enhanced the magnetic properties of the films, and the saturation magnetization was 0.0096 emu/mm3 at x~9.7%, which is about three times of that of the samples doped with a small amount of Mn, and the coercivity was about 160 Oe. The analysis showed that the enhancement of the magnetism of the Mn-doped MoS2 films was mainly attributed to the introduction of the local magnetic moments and the enhanced magnetic exchange interactions of the Mn atoms. The enhancement of the magnetic properties of Mn-doped MoS2 films is mainly attributed to the introduction of local magnetic moments by Mn atoms and the enhanced magnetic exchange interactions. The study of the magnetic properties of Mo1-xMnxS2 2D thin films tuned by Mn doping provides a reference for expanding the applications of these 2D materials in spintronics and magnetic memory devices.
Key wordsexperiment for materials,    molybdenum disulfide thin film,    magnetic property,    manganese doped,    magnetic exchange interaction
收稿日期: 2025-05-23     
ZTFLH:  O484.5  
基金资助:国家自然科学基金;江苏省普通高校自然科学研究计划;江苏省研究生科研与实践创新计划
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