Kinetic Control of Ultrafast Transient Liquid Assisted Growth of Solution-Derived YBa₂ Cu₃ O₇ -x Superconducting Films.

ABSTRACT: Transient liquid assisted growth (TLAG) is an ultrafast non-equilibrium growth process mainly governed by kinetic parameters, which are only accessible through fast in situ characterizations. In situ synchrotron X-ray diffraction (XRD) analysis and in situ electrical resistivity measurements are used to derive kinetic diagrams of YBa₂ Cu₃ O_{7- x} (YBCO) superconducting films prepared via TLAG and to reveal the unique peculiarities of the process. In particular, diagrams for the phase evolution and the YBCO growth rates have been built for the two TLAG routes. It is shown that TLAG transient liquids can be obtained upon the melting of two barium cuprate phases (and not just one), differentiated by their copper oxidation state. This knowledge serves

SUBMITTER: Rasi S 

PROVIDER: S-EPMC9661858 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature