Orbital control of noncollinear magnetic order in nickelate heterostructures

• Verfasst von: Frano, Alex [VerfasserIn]
• Verfasst von: Haverkort, Maurits W. [VerfasserIn]
• Verfasst von: Lu, Yi [VerfasserIn]
• Titel: Orbital control of noncollinear magnetic order in nickelate heterostructures
• Verf.angabe: A. Frano, E. Schierle, M.W. Haverkort, Y. Lu, M. Wu, S. Blanco-Canosa, U. Nwankwo, A.V. Boris, P. Wochner, G. Cristiani, H.U. Habermeier, G. Logvenov, V. Hinkov, E. Benckiser, E. Weschke, and B. Keimer
• Fussnoten: Gesehen am 24.11.2017
• Titel Quelle: Enthalten in: De.arxiv.org
• Jahr Quelle: 2013
• Band/Heft Quelle: (2013) Artikel-Nummer 1304.1469, 5 Seiten
• Datenträger: Online-Ressource
• Sprache: eng
• K10plus-PPN: 1565701003

Abstract

We have used resonant x-ray diffraction to develop a detailed description of antiferromagnetic ordering in epitaxial superlattices based on two-unit-cell thick layers of the strongly correlated metal LaNiO3. We also report reference experiments on thin films of PrNiO3 and NdNiO3. The resulting data indicate a spiral state whose polarization plane can be controlled by adjusting the Ni d-orbital occupation via two independent mechanisms: epitaxial strain and quantum confinement of the valence electrons. The data are discussed in the light of recent theoretical predictions.