Observation of vortices and hidden pseudogap from scanning tunneling spectroscopic studies of the electron-doped cuprate superconductor Sr0.9La0.1CuO2M. L. Teague, A. D. Beyer, M. S. Grinolds, S. I. Lee and N.-C. YehEPL, 85 1 (2009) 17004DOI: https://doi.org/10.1209/0295-5075/85/17004