具有铁磁圆盘形顶端的MFM尖端用于大域扫描

IF 2.1 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Nanotechnology Pub Date : 2023-09-07 DOI:10.1109/TNANO.2023.3312943

Iuliia V. Vetrova;Juraj Feilhauer;Vladimír Cambel;Ján Šoltýs

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引用次数: 0

摘要

我们研究了具有铁磁盘状尖端(FMD尖端)的磁力显微镜尖端。我们发现，当扫描大的畴时，它表现为一个顺磁性的尖端，即，它只显示畴的边界。此外，它显著减少了软磁样品的扰动，与商用低力矩探针相比，它提供了更长的探针寿命。在面外磁化的钴基样品和面内记录的纵向磁性介质上对FMD尖端进行了测试。我们制备了两个圆盘直径分别为150 nm和325 nm的FMD探针，以分析圆盘直径对探针灵敏度和测量的畴壁宽度的影响。实验结果得到了解析计算和数值模拟的支持。

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MFM Tip With a Ferromagnetic Disk-Shaped Apex for Large Domain Scanning

We study magnetic force microscopy tips with a ferromagnetic disk-shaped apex (FMD tip). We find that it behaves as a paramagnetic-like tip when scanning large domains, i.e., it visualizes only the domain boundaries. Moreover, it significantly reduces the perturbation of soft magnetic samples and provides a longer probe lifetime compared to commercial low-moment probes. FMD tip was tested on a Co-based sample with out-of-plane magnetization and on a longitudinal magnetic media with in-plane recording. We prepared two FMD tips with disk diameters of 150 and 325 nm in order to analyze how the disk diameter affects the probe sensitivity and the measured width of the domain wall. Experimental results are supported by analytical calculations and numerical simulations.

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来源期刊

IEEE Transactions on Nanotechnology 工程技术-材料科学：综合

CiteScore

4.80

自引率

8.30%

发文量

审稿时长

8.3 months

期刊介绍： The IEEE Transactions on Nanotechnology is devoted to the publication of manuscripts of archival value in the general area of nanotechnology, which is rapidly emerging as one of the fastest growing and most promising new technological developments for the next generation and beyond.