"Superconducting Interfaces Between Insulating Oxides",
N. Reyren, S. Thiel, A. D. Caviglia, L. Fitting Kourkoutis, G. Hammerl, C. Richter, C. W. Schneider, T. Kopp, A.-S. Ruetschi, D. Jaccard, M. Gabay, D. A. Muller, J.-M. Triscone, J. Mannhart,
Science 317, 1196-1199 (2007)

Cornell Chronicle: Exotic atomic interfaces