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Book Cover
E-book
Author Bluschke, Martin

Title Controlling collective electronic states in cuprates and nickelates : a resonant x-ray scattering study / Martin Bluschke
Published Cham : Springer, 2020

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Description 1 online resource (xxvi, 151 pages) : illustrations (some color)
Series Springer theses
Springer theses.
Contents Introduction -- Resonant X-Ray Scattering -- Introduction to Charge Order in the Cuprates -- Charge Order in (CaxLa1−x)(Ba1.75−xLa0.25+x)Cu3Oy Single Crystals -- Charge Order in YBa2Cu3O6+x Thin Flms -- Introduction to Antiferromagnetism in Ultrathin Nickelate Layers -- Coupling Between 3d and 4f Spin Sublattices in LaNiO3-Based Heterostructures -- Closing Statement
Summary In this thesis chemical and epitaxial degrees of freedom are used to manipulate charge and spin ordering phenomena in two families of transition metal oxides, while taking advantage of state-of-the-art resonant x-ray scattering (RXS) methods to characterize their microscopic origin in a comprehensive manner. First, the relationship of charge density wave order to both magnetism and the "pseudogap" phenomenon is systematically examined as a function of charge-carrier doping and isovalent chemical substitution in single crystals of a copper oxide high-temperature superconductor. Then, in copper oxide thin films, an unusual three-dimensionally long-range-ordered charge density wave state is discovered, which persists to much higher temperatures than charge-ordered states in other high-temperature superconductors. By combining crystallographic and spectroscopic measurements, the origin of this phenomenon is traced to the epitaxial relationship with the underlying substrate. This discovery opens new perspectives for the investigation of charge order and its influence on the electronic properties of the cuprates. In a separate set of RXS experiments on superlattices with alternating nickel and dysprosium oxides, several temperature- and magnetic-field-induced magnetic phase transitions are discovered. These observations are explained in a model based on transfer of magnetic order and magneto-crystalline anisotropy between the Ni and Dy subsystems, thus establishing a novel model system for the interplay between transition-metal and rare-earth magnetism
Notes "Doctoral Thesis accepted by the Technical University of Berlin, Germany."
Bibliography Includes bibliographical references
Subject Superconductors -- Chemistry.
Copper oxide -- Analysis
Nickel oxide -- Analysis
Charge exchange.
X-rays -- Scattering.
Crystallography.
Surfaces (Technology)
Thin films.
Crystallography
x-ray scattering.
X-rays -- Scattering
Superconductors -- Chemistry
Charge exchange
Chemistry
Condensed matter
Crystallography
Surfaces (Technology)
Thin films
Genre/Form Electronic books
Form Electronic book
ISBN 9783030479022
3030479021