Pt/Co薄膜磁畴的扫描近场观测及其随场函数的发展

Y. Chen, V. Kottler, N. Essaidi, C. Chappert
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引用次数: 0

摘要

我们提出了一种近场扫描技术来研究磁性多层薄膜的磁光特性。实验采用远场和近场集成显微镜进行。在STM和SNOM信号采集中,采用包金光纤针尖作为扫描探针,针尖与样品的分离控制在隧道距离内。我们还在样品支架周围放置了一个磁场线圈,产生高达1 kOe的直流磁场。这使我们能够研究磁性薄膜的MO特性作为远场克尔观测和扫描近场成像的作用场。
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Scanning near-field observation of magnetic domains in Pt/Co thin films and their development as a function of applied field
We propose a scanning near-field technique to study magneto-optical (MO) properties of magnetic multilayered thin films. The experiments are carried out using an integrated far-field and near-field microscope. Gold coated fiber tips are used as scanning probes for both STM and SNOM signal collection and the tip to sample separation is controlled within the tunneling distance. We additionally placed a magnetic field coil around the sample holder, which produces a DC field up to 1 kOe. This allows us to study MO properties of magnetic thin films as a function of applied field for both far field Kerr observation and scanning near-field imaging.
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