期刊
APPLIED PHYSICS LETTERS
卷 96, 期 19, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3430006
关键词
electrical resistivity; Hall mobility; interface phenomena; lanthanum compounds; strontium compounds
资金
- NEDO [07E51002a]
- Marubun Research Promotion Foundation
Resistivity measurements show that SrTiO3/LaTiO3/SrTiO3 heterostructures remain metallic even for single unit cell LaTiO3 layers. Hall resistances of all heterostructures are nonlinear functions of the applied field. The Hall data is analyzed in terms of a two-layer model, indicating that a low-mobility layer exists at the LaTiO3/SrTiO3 interface, while carriers with mobilities approaching 10 000 cm(2)/V s are present deep in the SrTiO3 substrate. (C) 2010 American Institute of Physics. [doi:10.1063/1.3430006]
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