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Unconventional electron states in δ-doped SmTiO3
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Veröffentlicht in: | Scientific reports Bd. 7.2017 1, Art.-Nr. 1565, insges. 7 Seiten |
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Personen und Körperschaften: | , , , |
Titel: | Unconventional electron states in δ-doped SmTiO3/ Frank Lechermann |
Format: | E-Book-Kapitel |
Sprache: | Englisch |
veröffentlicht: |
2017
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Gesamtaufnahme: |
: Scientific reports, Bd. 7.2017 1, Art.-Nr. 1565, insges. 7 Seiten
, volume:7 |
Schlagwörter: | |
Quelle: | Verbunddaten SWB Lizenzfreie Online-Ressourcen |
Zusammenfassung: | The Mott-insulating distorted perovskite SmTiO3, doped with a single SrO layer in a quantum-well architecture is studied by the combination of density functional theory with dynamical mean-field theory. A rich correlated electronic structure in line with recent experimental investigations is revealed by the given realistic many-body approach to a large-unit-cell oxide heterostructure. Coexistence of conducting and Mott-insulating TiO2 layers prone to magnetic order gives rise to multi-orbital electronic transport beyond standard Fermi-liquid theory. First hints towards a pseudogap opening due to electron-electron scattering within a background of ferromagnetic and antiferromagnetic fluctuations are detected. |
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Umfang: |
Diagramme 7 |
ISSN: |
2045-2322
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DOI: | 10.15480/882.1767 |