Nanoscale modulation of the density of states at the conducting interface between LaAlO3 and SrTiO3 band insulatorsZ. Ristic, R. Di Capua, G. M. De Luca, F. Chiarella, G. Ghiringhelli, J. C. Cezar, N. B. Brookes, C. Richter, J. Mannhart and M. SalluzzoEPL, 93 1 (2011) 17004DOI: https://doi.org/10.1209/0295-5075/93/17004