Abstract
Transverse field μSR studies of the system ErBa2Cu3Ox with x=6.4, 6.53 and 7 reveal a split signal with each component displaying a distinct paramagnetic or Knight shift related to the Er 4f-moments. This implies the presence of transferred hyperfine fields even in the superconducting state.
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Maletta, H., Weber, M., Birrer, P. et al. Magnetism and superconductivity in the ErBa2Cu3OA system. Hyperfine Interact 61, 1121–1123 (1990). https://doi.org/10.1007/BF02407585
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DOI: https://doi.org/10.1007/BF02407585