<紀要論文>
走査型磁気顕微鏡を用いた超伝導テープ線材の局所電流分布計測におけるセンサー試料間距離の導出法に関する検討

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概要 Scanning Hall-probe microscopy is a very powerful technique for the characterization of local properties in superconducting tape. On the other hand, the quantitative results can only be obtained with ...a known distance between the Hall-sensor and the sample. In this study, we have proposed an estimation method of such a distance without any gap sensor. Considering the boundary condition that current should be zero outside of the sample, we have succeeded in estimating such a distance only from a measured distribution of magnetic field. This method will be a key technology for the characterization of long superconducting tapes by reel-to-reel magnetic microscopy where there would be some possibility of fluctuation of the distance due to vibration at a high-speed measurement.続きを見る

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登録日 2013.06.13
更新日 2020.12.15

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