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BL
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| Record Number
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861345
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| Main Entry
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Fowlie, Jennifer
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| Title & Author
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Electronic and structural properties of LaNiO₃-based heterostructures /\ Jennifer Fowlie.
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| Publication Statement
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Cham :: Springer,, 2019.
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| Series Statement
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Springer theses
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| Page. NO
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1 online resource
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| ISBN
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3030152383
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: 3030152391
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: 3030152405
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: 9783030152383
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: 9783030152390
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: 9783030152406
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3030152375
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9783030152376
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| Bibliographies/Indexes
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Includes bibliographical references.
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| Contents
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Intro; Supervisor's Foreword; Acknowledgements; Contents; 1 Introduction to Perovskite Oxides; 1.1 Structure; 1.2 Properties; References; 2 Introduction to Thin Film Physics; 2.1 What is a Thin Film?; 2.2 Challenges; 2.3 Thin Film Perovskite Oxides; References; 3 Introduction to the Nickelates; 3.1 The Rare Earth Nickelates; 3.2 Electronic Configuration; 3.3 The Nickelate Phase Transitions; 3.3.1 The Metal-Insulator Transition; 3.3.2 The Néel Transition; 3.3.3 The Structural Transition; 3.4 Thin Film Nickelates; 3.5 LaNiO3; 3.5.1 Magnetic Order in LaNiO3
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3.6 The Motivation Behind LaNiO3-Based HeterostructuresReferences; 4 Experimental Techniques; 4.1 Thin Film Growth; 4.1.1 RF Off-Axis Magnetron Sputtering; 4.2 Thin Film Characterisation; 4.2.1 Atomic Force Microscopy; 4.2.2 X-Ray Diffraction; 4.2.3 Resonant Soft X-Ray Diffraction; 4.2.4 DC Electronic Transport Versus Temperature; 4.2.5 Magnetotransport; 4.2.6 Hall Effect; 4.2.7 Photolithographic Patterning; 4.2.8 Raman Spectroscopy; 4.2.9 Scanning Transmission Electron Microscopy; References; 5 Quantifying Octahedral Distortions in Perovskites; 5.1 The Importance of Structure
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5.2 Octahedral Distortions5.3 Geometric Considerations; 5.4 Simulating Diffraction Patterns; 5.5 Measurement of Half-Integer Diffraction Peaks; 5.6 Application to Perovskite Films; 5.6.1 LaAlO3/SrTiO3; 5.6.2 LaNiO3 Thickness Dependence; 5.7 Summary; References; 6 Ultrathin LaNiO3; 6.1 Motivation; 6.2 Electronic Transport; 6.3 Raman Spectroscopy; 6.4 Density Functional Theory Approach; 6.5 Scanning Transmission Electron Microscopy; 6.6 The Parallel Conductor Model; 6.7 Discussion; 6.8 Summary; References; 7 The Nd1-xLaxNiO3 Solid Solution; 7.1 Motivation; 7.2 Valence Skipping Elements
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7.3 Negative U-Mediated Superconductivity7.4 Growth of Solid Solution Thin Films; 7.5 Probing the Phase Diagram; 7.5.1 The Metal-Insulator Transition; 7.5.2 The Néel Transition; 7.5.3 The Structural Transition; 7.6 The Search for Superconductivity; 7.6.1 Low Temperature Transport; 7.6.2 Efforts Towards Carrier Doping; 7.7 Summary; References; 8 Conclusions and Perspectives; Curriculum Vitae
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| Abstract
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This thesis explores an amazing family of oxide compounds - the nickelates - known for their metal-to-insulator transition and, in the case of LaNiO3, to be a possible building block for designing a synthetic high Tc superconductor. Competition between various fascinating phases makes these materials very sensitive to external parameters and it is thus possible to dramatically tune their properties. This work on ultrathin LaNiO3 and the solid solution Nd1-xLaxNiO3 has important implications for the search for superconductivity in this class of materials.
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| Subject
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Heterostructures.
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| Subject
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Heterostructures.
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| Subject
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TECHNOLOGY ENGINEERING-- Mechanical.
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| Dewey Classification
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621.38152
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| LC Classification
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TK7871.85
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