Fabrication of YBa2Cu3O7−δ thin films in SrTiO3 substrate via a liquid-assisted deposition technique and growth by partial melting
Abstract
We report the fabrication of YBa2Cu3O7−δ (Y-123) superconducting thin film via a liquid-assisted powder deposition technique. Acetone was used as the dispersion medium and partial melting was employed. Two samples were grown at different partial melting temperatures and annealed at varied temperature profiles. From Scanning Electron Microscopy, both samples grown were smooth-textured and have a thickness of about 1 μm. C-axis orientation of the samples was evident from the peaks obtained from the XRD patterns. Superconductivity is verified by resistivity measurements. Sample 1 has a Tconset of ≈75 K while Sample 2 has a Tconset of ≈90 K.