Atomic layer engineering of perovskite oxides for chemically sharp heterointerfaces.
basic_science · Level V
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- Record sourced from PubMed, PMID 23034879.
- Also identified by DOI 10.1002/adma.201202691.
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Abstract
Atomic layer engineering enables fabrication of a chemically sharp oxide heterointerface. The interface formation and strain evolution during the initial growth of LaAlO(3) /SrTiO(3) heterostructures by pulsed laser deposition are investigated in search of a means for controlling the atomic-sharpness of the interface. This study shows that inserting a monolayer of LaAlO(3) grown at high oxygen pressure dramatically enhances interface abruptness.
Medical subject headings
- Calcium Compounds
- Oxides
- Oxygen
- Titanium