Research Papers in Physics and Astronomy


Date of this Version

June 1987


Published by American Physical Society. Phys. Rev. B35, 8767 (1987). Copyright © 1987 American Physical Society. Permission to use.


Transmission-electron-microscopy examination of the superconducting phase of the Y-Ba-Cu-O system reveals the presence of dense antiphase boundaries. The structure of the superconducting phase was determined to be orthorhombic with space group Pm2m. The orthorhombic a and b axes are found to alternate across the antiphase boundary which runs parallel to the [110] direction.

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