期刊
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
卷 22, 期 1-3, 页码 712-716出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physe.2003.12.106
关键词
SrTiO3; electron transport
Recent advances in thin-film deposition techniques have enabled the growth of perovskite oxide heterostructures with near-atomic precision. We have been exploring the feasibility of creating two-dimensional electron gases in SrTiO3 heterostructures. Three different approaches are presented here: atomic-scale delta doping, direct modulation of the oxygen stoichiometry, and mobile charge arising at a polar/non-polar heterointerface. (C) 2003 Elsevier B.V. All rights reserved.
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