温度可変型走査型ホール素子顕微鏡による強磁性体および高温超伝導体の磁場分布観察

概要

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A variable-temperature scanning Hall probe microscope was developed for imaging a microscopic magnetic field distribution. The microscope probes the surface of magnetic materials with a micro-Hall probe, whose active area is 0.6-2.0μm^2. The microscope's operating temperature range is between room temperature and liquid He temperature. The results of observing magnetic images of a thermally demagnetized Sr-ferrite magnet at room temperature and a high-temperature superconducting NdBa_2Cu_3O_y thin film at 77 K are presented.
社団法人日本磁気学会の論文
1998-04-15