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Doping effects of Fe ion on magnetic anisotropy of YBa2Cu3Oy

Authors
Journal
Physica C Superconductivity
0921-4534
Publisher
Elsevier
Publication Date
Volume
494
Identifiers
DOI: 10.1016/j.physc.2013.04.053
Keywords
  • Yba2Cu3Oy
  • Twin Microstructure
  • Fe-Doping
  • Tri-Axial Alignment
  • Modulated Rotation Magnetic Field

Abstract

Abstract We report magnetic alignment of YBa2(Cu1−xFex)3Oy (Fe-doped Y123, x=0–0.1) powders under modulated rotation magnetic fields (MRFs) and roles of Fe ion as a determination factor of magnetic anisotropy in Y123. The Fe-free and Fe-doped Y123 powder samples aligned in the MRF of 10T showed two different orientation types of the hard axis in Y123 grains. From an X-ray rocking curve measurement for the magnetically aligned powder samples of the Fe-doped Y123, inplane magnetic anisotropy for Y123 grains with the hard axis parallel to the [110] direction was found to be higher than that for Y123 grains with the hard axis parallel to the [010] direction.

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