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.
|Number of pages||6|
|Journal||Research Reports on Information Science and Electrical Engineering of Kyushu University|
|Publication status||Published - Jan 1 2013|
All Science Journal Classification (ASJC) codes
- Computer Science(all)
- Electrical and Electronic Engineering