- AutorIn
- Haoming Wei
- Marius Grundmann
- Michael Lorenz
- Titel
- Confinement-driven metal-insulator transition and polarity-controlled conductivity of epitaxial LaNiO3/LaAlO3 (111) superlattices
- Zitierfähige Url:
- https://nbn-resolving.org/urn:nbn:de:bsz:15-qucosa2-235539
- Quellenangabe
- Applied Physics Letters Erscheinungsort: Melville
Verlag: American Institute of Physics
Erscheinungsjahr: 2015
Jahrgang: 109
Heft: 8
ISSN: 0003-6951
E-ISSN: 1077-3118
Artikelnummer: 082108 - Erstveröffentlichung
- 2016
- Abstract (EN)
- Recently, topological conductivity has been predicted theoretically in LaNiO3(111)-based superlattices. Here we report high-quality epitaxial LaNiO3/LaAlO3 superlattices on (111)-oriented SrTiO3 and LaAlO3 single crystals. For both substrates a metal-insulator transition with decreasing number of LaNiO3 monolayers is found. While the electrical transport is dominated by twodimensional variable range hopping for superlattices grown on polar mismatched SrTiO3(111), it switches to a thermally activated single gap behavior on polar matched LaAlO3(111). The gap energy of the polar double-layer LaNiO3 superlattices can be tuned via the thickness of the insulating LaAlO3 layers.
- Andere Ausgabe
- Link zur Originalpublikation in Applied Physics Letters
Link: http://dx.doi.org/10.1063/1.4961693 - Freie Schlagwörter (EN)
- Hopping transport, Electrical resistivity, Superlattices, X-ray diffraction, Nickel
- Klassifikation (DDC)
- 530
- Verlag
- American Institute of Physics, Melville
- Publizierende Institution
- Universität Leipzig, Leipzig
- Version / Begutachtungsstatus
- publizierte Version / Verlagsversion
- URN Qucosa
- urn:nbn:de:bsz:15-qucosa2-235539
- Veröffentlichungsdatum Qucosa
- 07.08.2018
- Dokumenttyp
- Artikel
- Sprache des Dokumentes
- Englisch