[19a-C301-1~7] 10.5 Application of magnetic field

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[19a-C301-4] Magnetic anisotropy of biaxial crystalline DyBa₂Cu₄O₈ and Dy_0.5Y_0.5Ba₂Cu₄O₈ under modulated and uniform rotating magnetic fields by in situ X-ray diffraction measurements

〇Fumiko Kimura¹, Pamoda Piyumali Kahagalla¹, Shintaro Adachi¹, Shigeru Horii¹ (1.Kyoto Univ. Adv. Sci.)

Keywords:

Superconducting materials,magnetic anisotropy,X-ray diffraction

REBa₂Cu₃O_y (RE123, RE: rare earth elements) has a high critical temperature above liquid nitrogen temperature and a high critical current density in magnetic fields. We use the magnetic orientation method based on magnetic anisotropy for orientation. In this study, we used REBa₂Cu₄O₈ (RE124), an analog of RE123, to determine the magnetic anisotropy ratio of Dy124 and Dy_0.5Y_0.5124, and also observed their behavior under rotating magnetic fields.