Description: Ordering Phenomena in Rare-earth Nickelate Heterostructures, Hardcover by Hepting, Matthias, ISBN 3319605305, ISBN-13 9783319605302, Like New Used, Free shipping in the US 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.
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Book Title: Ordering Phenomena in Rare-Earth Nickelate Heterostructures
Number of Pages: Xvi, 147 Pages
Language: English
Publisher: Springer International Publishing A&G
Publication Year: 2017
Topic: Superconductors & Superconductivity, Physics / Crystallography, Chemistry / Physical & Theoretical, Materials Science / Electronic Materials
Illustrator: Yes
Genre: Technology & Engineering, Science
Item Weight: 131.6 Oz
Author: Matthias Hepting
Item Length: 9.3 in
Book Series: Springer Theses Ser.
Item Width: 6.1 in
Format: Hardcover