使用Cu-Doped CoFeSiB无形微线芯的Fluxgate磁力计的性能
Bin Wang1,2, Weizhi Xu3, Xiaoping Zheng1
1Department of Automation, Tsinghua University, Beijing 100084, China.
Sensors (Basel, Switzerland)
|January 11, 2024
概括
在CoFeSiB无形微线中对铜进行合,提高了流门磁力计的性能. 1%的铜 (Cu) 兴奋剂比率优化了软磁性质,并显著减少了用于增强应用的传感器噪声.
科学领域:
- 材料科学 材料科学 材料科学
- 凝聚物质物理学 凝聚物质物理学
- 传感器技术 传感器技术
背景情况:
- 流门磁力仪的噪声性能严重依赖于其核心材料的晶体结构.
- 无形微线,特别是CoFeSiB,用于流门传感器,但它们的噪声特性需要优化.
- 了解元素兴奋剂对这些微电线的微结构和磁性质的影响,对于传感器改进至关重要.
研究的目的:
- 为了研究铜 (Cu) 兴奋剂对用于流门磁计中的CoFeSiB无形微线性能的影响.
- 建立Cu注水平,纳米晶体形成,磁性和传感器噪声性能之间的关系.
- 为了确定最佳的Cu兴奋剂度,以减少噪音并提高无形线传感器的稳定性.
主要方法:
- 使用融提取技术制造了具有不同Cu doping比率的CoFeSiB无形微线.
- 使用传输电子显微镜 (TEM) 进行微结构分析,以检查纳米晶体生长.
- 系统评估了微电线的磁性性能和流门传感器的噪声特征.
主要成果:
- 发现Cu doping通过促进积极的混合和减少原子半径差异来增强纳米晶体的形成.
- 不同扫描热量计 (DSC) 表明,Cu doping 降低了合金系统的玻璃形成能力.
- 1%的Cu兴奋剂度导致了优越的软磁性质和流门传感器的最佳噪声性能,这归因于纳米晶体结构和磁域之间的相互作用.
结论:
- 化是减少微观缺陷和增强CoFeSiB无形微电线中的软磁性质的有效策略,从而提高了流门传感器噪声性能.
- 优化Cu兴奋剂水平,特别是1%左右,对于实现稳定和高性能无形电线传感器至关重要.
- 该研究表明,受控的Cu注提供了一种优越的方法,用于为传感器应用程序准备具有一致和增强磁性特性的无形电线.
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