期刊
PHYSICAL REVIEW LETTERS
卷 99, 期 23, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.99.236805
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We have investigated the transport properties of LaVO3/SrTiO3 Mott-insulator-band-insulator heterointerfaces for various configurations. The (001)-oriented n-type VO2/LaO/TiO2 polar discontinuity is conducting, exhibiting a LaVO3 thickness-dependent metal-insulator transition and low temperature anomalous Hall effect. The (001) p-type VO2/SrO/TiO2 interface, formed by inserting a single layer of bulk metallic SrVO3 or SrO, drives the interface insulating. The (110) heterointerface is also insulating, indicating interface conduction arising from electronic reconstructions.
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