Delta-doped LaAlO3/SrTiO3 interfaces
作者： T. Fix , J. L. MacManus-Driscoll , M. G. Blamire
DOI: 10.1063/1.3126445
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摘要: The quasi-two-dimensional electron gases formed at the interface between insulators such as SrTiO3/LaAlO3 are predicted to arise from an interfacial electronic reconstruction, but extent which oxygen vacancies within substrate contribute conduction remains unclear. We show that delta-doping with transition metal cations dramatically alters properties and supports model of a highly two-dimensional charge sheet.
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