A dimensionality controlled metal insulator transition in epitaxial [LaNiO3 (d nm)/LaAlO3(2nm)]10
(100) superlattices (thereafter [d/2]10 SLs) is demonstrated for decreasing LaNiO3 single layer
thickness from 4nm down to 1.2 nm. The [4/2]10 SL shows metallic behavior with positive resistivity
temperature coefficient, while the [2/2]10 SL shows a metal-insulator transition with crossover from
3D to two-dimensional single-layer dimensionality. Strong localization appears for the [1.2/2]10 SL
with the resistivity being dominated by two-dimensional variable range hopping with a localization
length of about 0.035 nm.
| Identifer | oai:union.ndltd.org:DRESDEN/oai:qucosa:de:qucosa:23552 |
| Date | 07 August 2018 |
| Creators | Wei, Haoming, Jenderka, Marcus, Bonholzer, Michael, Grundmann, Marius, Lorenz, Michael |
| Publisher | American Institute of Physics, Universität Leipzig |
| Source Sets | Hochschulschriftenserver (HSSS) der SLUB Dresden |
| Language | English |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, doc-type:article, info:eu-repo/semantics/article, doc-type:Text |
| Rights | info:eu-repo/semantics/openAccess |
| Relation | 0003-6951, 1077-3118, 042103 |
Page generated in 0.0018 seconds