Ordering Phenomena in Rare-Earth Nickelate Heterostructures
Seiten
2018
|
1. Softcover reprint of the original 1st ed. 2017
Springer International Publishing (Verlag)
978-3-319-86880-6 (ISBN)
Springer International Publishing (Verlag)
978-3-319-86880-6 (ISBN)
This thesis presents an experimental study of ordering phenomena in rare-earth nickelate-based heterostructures by means of inelastic Raman light scattering and elastic resonant x-ray scattering (RXS). Further, it demonstrates that the amplitude ratio of magnetic moments at neighboring nickel sites can be accurately determined by RXS in combination with a correlated double cluster model, and controlled experimentally through structural pinning of the oxygen positions in the crystal lattice. The two key outcomes of the thesis are: (a) demonstrating full control over the charge/bond and spin order parameters in specifically designed praseodymium nickelate heterostructures and observation of a novel spin density wave phase in absence of the charge/bond order parameter, which confirms theoretical predictions of a spin density wave phase driven by spatial confinement of the conduction electrons; and (b) assessing the thickness-induced crossover between collinear and non-collinear spin structures in neodymium nickelate slabs, which is correctly predicted by drawing on density functional theory.
Introduction: Transition Metal Oxides and their Heterostructures.- The Rare-earth Nickelates.- Experimental Techniques.- Tunable Order Parameters in Nickelate Heterostructures.- Complex Magnetic Order in Nickelate Slabs.
| Erscheinungsdatum | 05.03.2022 |
|---|---|
| Reihe/Serie | Springer Theses |
| Zusatzinfo | XVI, 147 p. 63 illus., 56 illus. in color. |
| Verlagsort | Cham |
| Sprache | englisch |
| Maße | 155 x 235 mm |
| Gewicht | 260 g |
| Themenwelt | Naturwissenschaften ► Chemie ► Analytische Chemie |
| Naturwissenschaften ► Physik / Astronomie ► Festkörperphysik | |
| Technik ► Elektrotechnik / Energietechnik | |
| Technik ► Maschinenbau | |
| Schlagworte | Electronic Phase Transitions of Nickelate • Magnetic Phase Transitions of Nickelate • Magnetic Resonant Elastic X-Ray Scattering • Raman Spectroscopy on Thin Films • Spatially Confined Conduction Electrons • Spin Density Wave Phases • strongly correlated electron systems |
| ISBN-10 | 3-319-86880-2 / 3319868802 |
| ISBN-13 | 978-3-319-86880-6 / 9783319868806 |
| Zustand | Neuware |
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