Journal article · Preprint article
Metallic and Insulating Interfaces of Amorphous SrTiO3-Based Oxide Heterostructures
Thermo Ceramics, Fuel Cells and Solid State Chemistry Division, Risø National Laboratory for Sustainable Energy, Technical University of Denmark1
Fuel Cells and Solid State Chemistry Division, Risø National Laboratory for Sustainable Energy, Technical University of Denmark2
Risø National Laboratory for Sustainable Energy, Technical University of Denmark3
University of Twente4
Chinese Academy of Sciences and Beijing National Laboratory for Condensed Matter Physics5
Plasma Physics and Technology Programme, Risø National Laboratory for Sustainable Energy, Technical University of Denmark6
Fuel Cells and Solid State Chemistry Division. Management, Fuel Cells and Solid State Chemistry Division, Risø National Laboratory for Sustainable Energy, Technical University of Denmark7
The conductance confined at the interface of complex oxide heterostructures provides new opportunities to explore nanoelectronic as well as nanoionic devices. Herein we show that metallic interfaces can be realized in SrTiO3-based heterostructures with various insulating overlayers of amorphous LaAlO3, SrTiO3, and yttria-stabilized zirconia films.
On the other hand, samples of amorphous La7/8Sr1/8MnO3 films on SrTiO3 substrates remain insulating. The interfacial conductivity results from the formation of oxygen vacancies near the interface, suggesting that the redox reactions on the surface of SrTiO3 substrates play an important role.
| Language: | English |
|---|---|
| Publisher: | American Chemical Society (ACS) |
| Year: | 2011 |
| Pages: | 3774-3778 |
| ISSN: | 15306992 and 15306984 |
| Types: | Journal article and Preprint article |
| DOI: | 10.1021/nl201821j |
| ORCIDs: | Chen, Yunzhong , Pryds, Nini , Stamate, Eugen and Linderoth, Søren |
