title: Tuning the electron gas at an oxide heterointerface via free surface charges.
authors.affiliation: Department of Advanced Materials Science, University of Tokyo, Kashiwa, Chiba, Japan.
authors.forename: Yanwu
authors.initials: Y
authors.lastname: Xie
authors.forename: Christopher
authors.initials: C
authors.lastname: Bell
authors.forename: Yasuyuki
authors.initials: Y
authors.lastname: Hikita
authors.forename: Harold Y
authors.initials: HY
authors.lastname: Hwang
mesh_terms: D004583:Electrons; D005740:Gases / Q000737:chemistry*; D008567:Membranes, Artificial; D010087:Oxides / Q000737:chemistry*; D010316:Particle Size; D013499:Surface Properties
chemical_list: D005740:Gases; D008567:Membranes, Artificial; D010087:Oxides