Microstructural irregularities in superconducting YBa2Cu3O7-y

W Zhou; J M Thomas; D A Jefferson; K D Mackay; T H Shen; I van Damme; W Y Liang

doi:10.1088/0305-4608/17/8/007

Microstructural irregularities in superconducting YBa₂Cu₃O_7-y

W Zhou¹, J M Thomas¹, D A Jefferson¹, K D Mackay¹, T H Shen¹, I van Damme¹ and W Y Liang¹

Published under licence by IOP Publishing Ltd
Journal of Physics F: Metal Physics, Volume 17, Number 8 Citation W Zhou et al 1987 J. Phys. F: Met. Phys. 17 L173 DOI 10.1088/0305-4608/17/8/007

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¹ Dept. of Phys. Chem., Cambridge Univ., UK

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Abstract

Electron microscopy has been used to obtain ultrahigh-resolution images projected along the major high-symmetry directions of YBa₂Cu₃O_7-y. It reveals an unexpected structural irregularity which could be of significance in influencing the superconducting properties of this high-T_c oxide superconductor.

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