Abstract
Bulk samples of YBa2Cu3O7−x have been homogenously irradiated with 3 MeV electrons at temperatures below 20 K. Whereas the superconducting transition temperature, Tc, drops dramatically with increasing dose the width of the transition remains unchanged (Δ Tc ≤ 1.5 K). The normal state resistance at 100 K increases substantially during the electron irradiation. Several irreproducible experiments can be interpreted with a radiation induced, unstable increase of Tc.
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Stritzker, B., Zander, W., Dworschak, F. et al. Electron Irradiation of YBa2Cu3O7 at low Temperatures. MRS Online Proceedings Library 99, 491–495 (1987). https://doi.org/10.1557/PROC-99-491
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DOI: https://doi.org/10.1557/PROC-99-491