Mannhart, J.; Huebener, R.P.; Kober, F.; Koelle, D.; … - In: Physica A: Statistical Mechanics and its Applications 168 (1990) 1, pp. 345-352
Electric transport measurements across single grain boundaries in YBa2Cu3O7 films are summarized. These experiments demonstrate that YBa2Cu3O7 grain boundaries behave like SNS-type Josephson junctions. The implications of this weak link behavior for the critical currents of polycrystalline...
