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Probing the Origin of Interfacial Carriers in SrTiO3–LaCrO3 Superlattices
- Source :
- Chemistry of Materials. 29:1147-1155
- Publication Year :
- 2017
- Publisher :
- American Chemical Society (ACS), 2017.
-
Abstract
- Emergent phenomena at complex oxide interfaces could provide the basis for a wide variety of next-generation devices, including photovoltaics and spintronics. To date, detailed characterization and computational modeling of interfacial defects, cation intermixing, and film stoichiometry have helped to explain many of the novel behaviors observed at a single heterojunction. Unfortunately, many of the techniques employed to characterize a single heterojunction are less effective for a superlattice made up of a repeating series of interfaces that induce collective interfacial phenomena throughout a film. These repeating interfaces present an untapped opportunity to introduce an additional degree of complexity, such as confined electric fields, that cannot be realized in a single heterojunction. In this work, we explore the properties of SrTiO3–LaCrO3 superlattices to understand the role of defects, including variations in cation stoichiometry of individual layers of the superlattice, intermixing across inter...
- Subjects :
- Materials science
Spintronics
business.industry
General Chemical Engineering
Superlattice
Heterojunction
Nanotechnology
02 engineering and technology
General Chemistry
021001 nanoscience & nanotechnology
01 natural sciences
Engineering physics
Characterization (materials science)
Photovoltaics
Electric field
0103 physical sciences
Scanning transmission electron microscopy
Materials Chemistry
Thin film
010306 general physics
0210 nano-technology
business
Subjects
Details
- ISSN :
- 15205002 and 08974756
- Volume :
- 29
- Database :
- OpenAIRE
- Journal :
- Chemistry of Materials
- Accession number :
- edsair.doi...........cd14921a97a8e5a2c0acdb33833ce6df