Study of Electronic Properties of 122 Iron Pnictide Through Structural, Carrier-Doping, and Impurity-Scattering Effects
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Study of Electronic Properties of 122 Iron Pnictide Through Structural, Carrier-Doping, and Impurity-Scattering Effects
Kobayashi, Tatsuya
Springer Verlag, Singapore
05/2017
88
Dura
Inglês
9789811044748
15 a 20 dias
This thesis presents various characteristics of 122-type iron pnictide (FeSC) such as crystal and electronic structure, carrier-doping effect, and impurity-scattering effect, using transport, magnetization, specific heat, single-crystal X-ray diffraction, and optical spectral measurements.
1 Introduction 1.1 Iron-Based Superconductor (FeSC) 1.2 Crystal Structure and Magnetic Order of FeSC 1.3 Phase Diagram of FeSC 1.4 Superconducting Property 1.5 Normal State Property 1.6 Aim of This Study 2 Experimental Methods 2.1 Single Crystal Growth 2.2 Transport Measurement 2.3 Magnetization 2.4 X-Ray Diffraction Measurement 2.5 Specific Heat Measurement 2.6 Optical Measurement 3 Electronic Phase Diagram and Superconducting Property of SrFe2(As1-xPx)2 3.1 Introduction 3.2 Annealing Effect 3.3 Structural Analysis 3.4 Transport Measurement 3.5 Magnetic Susceptibility Measurement 3.6 Electronic Phase Diagram 3.7 Specific Heat in Superconducting State 3.8 Summary 4 In-Plane Resistivity Anisotropy of Ba(Fe1-xTMx)22 (TM=Cr, Mn, and Co) 4.1 Introduction 4.2 Resistivity Measurement with Detwinned Crystals 4.3 Hall Effect in Cr and Mn-Ba122 4.4 Relation Between RH and 4.5 Discussion on the Origin of Resistivity Anisotropy 4.6 Summary 5 Optical Property of Ba(Fe1-xTMx)2As2 (TM=Cr, Mn, and Co) 5.1 Introduction 5.2 Doping Dependence of Optical Spectra 5.3 Fitting of ( ) with Drude-Lorentz Model 5.4 Transition Metal Doping Effect on the AFO State 5.5 Magnetic/Non-magnetic Impurity Effect 5.6 Localized Carrier Induced by Mn/Cr-Doping 5.7 Summary 6 Conclusion 6.1 Structural and Superconductivity Property in P-Sr122 6.2 Resistivity Anisotropy in Ba(Fe1-xTMx)2As2 (TM=Cr, Mn, and Co) 6.3 Optical Conductivity in TM-Ba122 6.4 Summary 6.5 Future Work
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This thesis presents various characteristics of 122-type iron pnictide (FeSC) such as crystal and electronic structure, carrier-doping effect, and impurity-scattering effect, using transport, magnetization, specific heat, single-crystal X-ray diffraction, and optical spectral measurements.
1 Introduction 1.1 Iron-Based Superconductor (FeSC) 1.2 Crystal Structure and Magnetic Order of FeSC 1.3 Phase Diagram of FeSC 1.4 Superconducting Property 1.5 Normal State Property 1.6 Aim of This Study 2 Experimental Methods 2.1 Single Crystal Growth 2.2 Transport Measurement 2.3 Magnetization 2.4 X-Ray Diffraction Measurement 2.5 Specific Heat Measurement 2.6 Optical Measurement 3 Electronic Phase Diagram and Superconducting Property of SrFe2(As1-xPx)2 3.1 Introduction 3.2 Annealing Effect 3.3 Structural Analysis 3.4 Transport Measurement 3.5 Magnetic Susceptibility Measurement 3.6 Electronic Phase Diagram 3.7 Specific Heat in Superconducting State 3.8 Summary 4 In-Plane Resistivity Anisotropy of Ba(Fe1-xTMx)22 (TM=Cr, Mn, and Co) 4.1 Introduction 4.2 Resistivity Measurement with Detwinned Crystals 4.3 Hall Effect in Cr and Mn-Ba122 4.4 Relation Between RH and 4.5 Discussion on the Origin of Resistivity Anisotropy 4.6 Summary 5 Optical Property of Ba(Fe1-xTMx)2As2 (TM=Cr, Mn, and Co) 5.1 Introduction 5.2 Doping Dependence of Optical Spectra 5.3 Fitting of ( ) with Drude-Lorentz Model 5.4 Transition Metal Doping Effect on the AFO State 5.5 Magnetic/Non-magnetic Impurity Effect 5.6 Localized Carrier Induced by Mn/Cr-Doping 5.7 Summary 6 Conclusion 6.1 Structural and Superconductivity Property in P-Sr122 6.2 Resistivity Anisotropy in Ba(Fe1-xTMx)2As2 (TM=Cr, Mn, and Co) 6.3 Optical Conductivity in TM-Ba122 6.4 Summary 6.5 Future Work
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