Optimizing vortex pinning in YBa2Cu3O7-x superconducting films up to high magnetic fields

Abstract

Optimizing the microstructure of YBa2Cu3O7-x coated conductors across the magnetic field–temperature phase diagram is important for strengthening vortex pinning and thereby enhancing the critical current. Here, a systematic microstructural investigation identifies the most relevant vortex pinning contributions in a broad range of temperatures and magnetic fields.