The zero-field superconducting phase transition obscured by finite-size effects in thick $\mathbf{YB}{\mathbf{a}}_2\mathbf{C}{\mathbf{u}}_3{\mathbf{O}}_{7-\delta }$ films

M. C. Sullivan, D. R. Strachan, T. Frederiksen +3

We report on the normal-superconducting phase transition in thick $\mathrm{YB}{\mathrm{a}}_2\mathrm{C}{\mathrm{u}}_3{\mathrm{O}}_{7-\delta }$ films in zero magnetic field. We find significant finite-size effects at low curre…