Keywords:
Superconductivity.
;
Iron-based superconductors.
;
Electronic books.
Type of Medium:
Online Resource
Pages:
1 online resource (452 pages)
Edition:
1st ed.
ISBN:
9783319112541
Series Statement:
Springer Series in Materials Science Series ; v.211
URL:
https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=1973836
DDC:
537.623
Language:
English
Note:
Intro -- Preface -- Contents -- Part I Materials -- 1 Introduction: Discovery and Current Status -- 1.1 A Tale of the Discovery -- 1.1.1 Background Research -- 1.1.2 Electromagnetic Properties of LaTMPnO -- 1.1.3 Emergence of Tc in LaFeAsO -- 1.1.4 What Happens Around 150 K in LaFeAsO? -- 1.2 A Brief History of Fe(Ni)-Based Superconductors at Early Stage -- 1.3 Features of Fe-Based High Tc Superconductors -- 1.4 Recent Progress -- 1.4.1 Discovery of Double Dome Structure in Tc -- 1.4.2 Toward Application -- 1.5 Prospective -- References -- 2 Synthesis, Structure, and Phase Diagram of Iron-Based Superconductors: Bulk -- 2.1 Crystal Structure -- 2.1.1 FeSe Superconductors -- 2.1.2 Anti-PbFCl-Type Structure -- 2.1.3 ThCr2Si2 Structure -- 2.1.4 ZrCuSiAs-Type Structure -- 2.1.5 Superconductors with Perovskite-Type Blocking Layers -- 2.1.6 Superconductors with Skutterudite Intermediary Layers -- 2.1.7 Relationship Between Structure and Superconductivity -- 2.1.8 Titanium Oxypnictides -- 2.1.9 Composite Superconductor of Iron-Pnictide and Titanium Oxypnictide -- 2.2 Synthesis Method -- 2.2.1 Preparation for Polycrystalline Samples -- 2.2.1.1 Solid-State Method -- 2.2.1.2 High-Pressure Method -- 2.2.1.3 Liquid Ammonia Method -- 2.2.1.4 Hydrothermal Method -- 2.2.2 Growth of Single Crystals -- 2.2.2.1 Bridgman Method -- 2.2.2.2 Flux Method -- 2.3 Phase Diagram -- 2.3.1 Overview -- 2.3.2 "1111" Materials -- 2.3.3 "122" Materials -- 2.3.4 "111" Materials -- 2.3.5 "11" Materials -- References -- 3 Synthesis, Structure, and Phase Diagram: Film and STM -- 3.1 Introduction -- 3.2 FeSe Thin Films -- 3.2.1 FeSe Films Grown on Graphene -- 3.2.2 Defect Effects on Superconductivity of FeSe Films -- 3.2.2.1 Dumbbell-Like Defects -- 3.2.2.2 Twin Boundary Defects -- 3.2.3 Thickness-Dependent Superconductivity of FeSe Films Grown on Graphene.
,
3.2.4 Direct Observation of Nodes and Twofold Symmetry in FeSe Superconductor -- 3.2.5 Interfacial Superconductivity of FeSe Films Grown on STO -- 3.2.5.1 FeSe Films Grown on STO -- 3.2.5.2 Superconductivity of 1-Unit-Cell FeSe Films on STO -- 3.3 KxFe2−ySe2−z Thin Films -- 3.3.1 KxFe2−ySe2 Films on Graphene: Growth, Phase Separation, and Magnetic Order -- 3.3.2 KxFe2−ySe2−z Films on STO: Growth and Phase Diagram -- 3.4 Brief Summary -- References -- Part II Characterization -- 4 Electron Spectroscopy: ARPES -- 4.1 Introduction -- 4.1.1 Angle-Resolved Photoemission Spectroscopy -- 4.1.2 kz Measurement in ARPES -- 4.1.3 Polarization Dependence and Orbital-Sensitive Probe -- 4.2 Electronic Structure of Iron-Based Superconductors -- 4.2.1 The Undoped Compounds -- 4.2.2 The Effect of Carrier Doping -- 4.2.3 The Effect of Chemical Pressure -- 4.3 Broken Symmetry Phases -- 4.3.1 Magnetic and Structural Transitions -- 4.3.2 The Coexistence of SDW and Superconductivity -- 4.3.3 Strongly Correlated Electronic Structure in Fe1+yTe -- 4.4 The Superconducting Gap and Pairing Symmetry -- 4.4.1 In-Plane Gap Distributions -- 4.4.2 Gap Distribution Along kz -- 4.4.3 Gap Nodes -- 4.5 Heavily Electron Doped Iron-Chalcogenide -- 4.5.1 Phase Separation in KxFe2-ySe2 -- 4.5.2 Superconducting Gap in KxFe2-ySe2 -- 4.5.3 Superconductivity in FeSe Thin Film -- 4.6 Summary -- References -- 5 Magnetic Order and Dynamics: Neutron Scattering -- 5.1 Introduction -- 5.2 Static Antiferromagnetic Order -- 5.3 Spin Waves in Parent Compounds -- 5.4 Spin Excitations in Doped Compounds -- 5.5 Neutron Polarization Analysis of Spin Excitations -- 5.6 Summary -- References -- 6 Optical and Transport Properties -- 6.1 Introduction -- 6.1.1 Metals -- 6.1.2 Superconductors -- 6.2 Iron-Based Superconductors -- 6.2.1 LaFeAsO1-xFx and Related Materials -- 6.2.2 BaFe2As2 and Related Materials.
,
6.2.2.1 (Ba1-xKx)Fe2As2 -- 6.2.2.2 Ba(Fe1-xCox)2As2 -- 6.2.2.3 BaFe2(As1-xPx)2 -- 6.2.3 Fe1+δTe and FeTe1-xSex -- 6.2.4 KxFe2-ySe2 -- 6.3 Summary -- Appendix -- References -- Part III Theory -- 7 First-Principles Studies in Fe-Based Superconductors -- 7.1 Introduction -- 7.1.1 Normal State Electronic Structure -- 7.2 Translational Symmetry: One-Fe-Atom Versus Two-Fe-Atom Perspective -- 7.2.1 Change of Representation -- 7.2.2 Important Physical Effects Revealed in One-Fe-Atom Representation -- 7.2.3 Implication to Nodal Structures of Superconductivity Order Parameter -- 7.3 Antiferromagnetic and Ferro-Orbital Correlations -- 7.3.1 Anisotropy and Ferro-Orbital Order -- 7.3.2 Consequence of Ferro-Orbital Order -- 7.4 First Principles Simulations of Disordered Dopants in Fe-Based Superconductors -- 7.4.1 Can Transition Metals Substitutions Dope Carriers in BaFe2As2? -- 7.4.2 Effective Electron Doping by Fe Vacancies in AxFe2-ySe2 -- 7.4.3 Can Se Vacancies Electron Dope Monolayer FeSe? -- 7.4.4 Effects of Disordered Ru Substitution in BaFe2As2: Possible Realization of Superdiffusion in Real Materials -- References -- 8 Itinerant Electron Scenario -- 8.1 Introduction -- 8.2 The Electronic Structure of FeSCs -- 8.3 The Low-Energy Model and the Interplay Between Magnetism and Superconductivity -- 8.3.1 Ladder Approximation -- 8.3.1.1 The SDW Vertex -- 8.3.1.2 The Superconducting Vertex -- 8.3.2 Beyond Ladder Approximation -- 8.3.2.1 How to Get an Attraction in the Pairing Channel? -- 8.4 Interplay Between SDW Magnetism and Superconductivity, Parquet RG Approach -- 8.4.1 Parquet Renormalization Group: The Basics -- 8.4.2 pRG in a 2-Pocket Model -- 8.5 Competition Between Density Wave Orders and Superconductivity -- 8.5.1 Two Pocket Model -- 8.5.1.1 Multi-Pocket Models -- 8.5.2 Summary of the pRG Approach -- 8.6 SDW Magnetism and Nematic Order.
,
8.6.1 Selection of SDW Order -- 8.6.1.1 The Action in Terms of X and Y -- 8.6.2 Pre-emptive Spin-Nematic Order -- 8.6.3 Consequences of the Ising-Nematic Order -- 8.7 The Structure of the Superconducting Gap -- 8.7.1 The Structure of s-Wave and d-Wave Gaps in a Multi-Band SC: General Reasoning -- 8.7.1.1 Generic Condition for a Non-zero Tc -- 8.7.2 How to Extract Uij (k,p) from the Orbital Model? -- 8.7.3 Doping Dependence of the Couplings, Examples -- 8.7.3.1 Electron Doping -- 8.7.3.2 Hole Doping -- 8.7.4 LiFeAs -- 8.7.5 Superconductivity Which Breaks Time-Reversal Symmetry -- 8.8 Experimental Situation on Superconductivity -- 8.8.1 Moderate Doping, Gap Symmetry -- 8.8.2 Moderate Doping, s vs s++ -- 8.8.3 Moderate Doping, Nodal vs No-Nodal s Gap -- 8.8.3.1 Hole Doping -- 8.8.3.2 Electron Doping -- 8.8.3.3 Co-existence Region with SDW -- 8.8.3.4 Isovalent Doping -- 8.8.4 Strongly Doped FeSCs -- 8.8.4.1 Electron Doping -- 8.8.4.2 Hole Doping -- 8.8.4.3 FeTe1-xSex -- 8.8.5 Summary -- References -- 9 Orbital+Spin Multimode Fluctuation Theory in Iron-based Superconductors -- 9.1 Introduction -- 9.2 Orbital Fluctuation Theory -- 9.2.1 Quadrupole Interaction in the RPA -- 9.2.2 Self-consistent VC Method -- 9.2.3 SC-VCΣ Method -- 9.2.4 Kugel-Khomskii Model -- 9.2.5 Superconductivity in SC-VCΣ Method -- 9.3 Structural Transition and Softening of C66 -- 9.3.1 Two Kinds of Structural Transitions Induced by the AL-VC -- 9.3.2 Softening of C66, Enhancement of Raman Quadrupole Susceptibility χRaman -- 9.4 Comparison with the 2D RenormalizationGroup Theory -- 9.5 Evidence of S++-Wave State in Iron-Based Superconductors -- 9.5.1 Nonmagnetic Impurity Effect -- 9.5.2 Impurity Induced Nematic State -- 9.5.3 Neutron Scattering Spectrum -- 9.5.4 Gap Functions in BaFe2(As,P)2 -- 9.5.4.1 Orbital Independent Gap Function on Hole-Pockets.
,
9.5.4.2 Loop-Shape Node on Electron-Pockets Due to Orbital and Spin Fluctuations -- 9.5.5 Superconducting Gap Function in LiFeAs -- 9.6 Summary -- Appendix -- Details of the Numerical Calculation of the AL Term -- Second Order Terms of the VC -- References -- 10 Coexisting Itinerant and Localized Electrons -- 10.1 Introduction -- 10.1.1 Basic Experimental Evidence -- 10.1.1.1 Itinerant Electrons -- 10.1.1.2 Local Moments -- 10.1.2 Theories for Iron-Based Superconductors -- 10.1.2.1 Itinerant Electron Theory -- 10.1.2.2 Local Moment Theory -- 10.1.2.3 Hybrid Theory -- 10.1.2.4 Orbital Selective Mott Transition -- 10.2 Two-Fluid Description for Iron-BasedSuperconductors -- 10.2.1 Two-Fluid Description Based on the Hybrid Model -- 10.2.2 Low Energy Collective Modes -- 10.2.3 Mean-Field Phase Diagram -- 10.2.4 Spin Dynamics -- 10.2.4.1 NMR Knight Shift -- 10.2.4.2 INS Spectrum -- 10.2.5 Charge Dynamics -- 10.2.5.1 Resistivity -- 10.2.5.2 STM Spectrum -- 10.3 Summary -- References -- 11 Weak and Strong Correlations in Fe Superconductors -- 11.1 Introduction: Electronic Correlations? -- 11.2 Essentials of the Electronic Structure of Fe-Based Pnictides and Chalcogenides -- 11.3 Overall Correlation Strength: The ``Janus'' Effect of Hund's Coupling -- 11.4 Orbital-Selective Mott Physics: Experimental and Ab Initio Evidences -- 11.5 Orbital Decoupling, the Mechanism of Selective Mottness -- 11.6 Back to Realism: FeSC and Two ``Wrong'' (Yet Instructive) Calculations -- Appendix: The Slope of the Linear Zα(nα) in the Orbital-Decoupling Regime -- References -- Index.
Permalink