Opherden, Lars Large pinning forces and matching effects in YBa2Cu3O(7-δ) thin films with Ba2Y(Nb/Ta)O6 nano-precipitates. [electronic resource] - Scientific reports Feb 2016 - 21188 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 2045-2322 Standard No.: 10.1038/srep21188 doi