Development of a magnetic resonance microscope using a high Tc bulk superconducting magnet | Zendy

Kyohei Ogawa | Zendy; Takashi Nakamura | Zendy; Yasuhiko Terada | Zendy; Katsumi Kose | Zendy; Tomoyuki Haishi | Zendy

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Development of a magnetic resonance microscope using a high Tc bulk superconducting magnet

Author(s) -

Kyohei Ogawa,

Takashi Nakamura,

Yasuhiko Terada,

Katsumi Kose,

Tomoyuki Haishi

Publication year - 2011

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3598440

Subject(s) - magnet , superconducting magnet , materials science , superconductivity , nuclear magnetic resonance , microscope , magnetic resonance microscopy , magnetic field , magnetic domain , high temperature superconductivity , condensed matter physics , magnetic resonance imaging , optics , physics , spin echo , magnetization , quantum mechanics , medicine , radiology

We have developed the first magnetic resonance (MR) microscope using a high critical-temperature superconducting bulk magnet. The bulk magnet comprises six annular bulk superconductors (60 mm outer diameter, 28 mm inner diameter, 20 mm high) made of c-axis oriented single-domain EuBa2Cu3Oy crystals. The magnet was energized using a superconducting NMR magnet operating at 4.7 T. The inhomogeneity of the trapped magnetic field measured with MR imaging was 3.1 ppm (rms) in the ϕ6.2 mm×9.1 mm cylindrical region. Three-dimensional MR images of a chemically fixed mouse embryo acquired with voxels of (50 μm)3 demonstrated the potential of our system

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