Interface-engineered resistive switching in Ag/SrTiO3/Nd0.7Ca0.3MnO3/YBa2Cu3O7 heterostructures Daniel Hsu, Yu-Han Tsai, Zhongwen Xing and Jauyn Grace Lin Eur. Phys. J. B, 86 6 (2013) 242 Published online: 03 June 2013 DOI: 10.1140/epjb/e2013-30762-7