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Flux distributions observed on melt-processed YBa2Cu3O7−δ samples are presented with the external magnetic field oriented parallel and perpendicular to the c axis using the high-resolution Faraday effect technique. In this way, flux penetration along and across the Cu–O planes is observed directly. The measured flux density profiles allow a determination of the different critical current densities and show the influence of intrinsic pinning.
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Schuster et al. (1993) studied this question.
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