Advances in Superconductivity V

15.06.1994

Englisch

9784431683070

Springer Tokyo

Nein

1332

Softcover reprint of the original 1st edition 1993

Taschenbuch

Proceedings of the 5th International Symposium on Superconductivity (ISS '92), November 16–19, 1992, Kobe

Device Applications, Large Single Crystals, chemistry, High Temperature Superconductivity, crystal

PNR - Physikalische Chemie TDC - Industrielle Chemie und Chemietechnologie TJFD - Elektronische Geräte und Materialien TGMT - Werkstoffprüfung

1 Plenary Lectures.- Status and Current Directions in New Materials Research in High-Tc Superconductivity.- Superconductivity — The Evolution of a New Technology.- Temperature Variation of jc and Characterization of Ag/Bi(2223) Tapes.- Progress Toward High Power Applications of Ceramic Superconductors in USA.- 2 Physics.- 2.1 Theoretical Studies.- Antiferromagnetic Insulating Energy Bands of Tetragonal Ca(Sr)CuO2.- A Theoretical Analysis of the Effect of Uniaxial Elastic Strain on the Critical Temperature of Cuprate Superconductors.- Superconducting State of the Two-Chain Hubbard Model Indicated by the Diagonalization Calculation.- Study on Superconducting Phase of Two-Band Model Including Cu Sites by Diagonalization Method.- Analysis of Quasi-Particle Lifetimes in Superconducting Ba1?xKxBiO3.- Kinetics of Oxygen in Lattice Gas Model for YBa2Cu3Ox.- Magnetic Properties of Quasi-Two Dimensional Antiferromagnetic Spins Interacting with Itinerant Electrons.- Notes on Resistivity Drop at 150 ~ 180K for Ca-Sr-Cu-O Thin Films.- 2.2 Electron, X-Ray and Neutron Spectroscopy.- Local Lattice Distortion and Mechanism of Superconductivity.- Local Structure and Superconductivity in Tl2Ba2CuOy Studied by Extended X-Ray Absorption Fine Structure.- Local Structure and Valence States in CaLaBaCu3Oy Studied by X-Ray Absorption Spectroscopy.- Photoelectron Spectroscopic Study of Tl-2201, Tl-2212, Tl-2223, and Tl-2234 High-Tc Superconductors.- Current-Voltage Characteristics of Nb/(Bi, Pb)2Sr2CaCu2Ox/Nb Point Contact Junctions.- Electronic States and Magnetic Properties of Layered Vanadium Oxides Srn+1VnO3n+1 (n = 1, 2 and 3).- 2.3 Transport and Thermal Properties.- A Simple Physical Picture for the Thermoelectric Power and Hall Effect of High-Tc Superconductors.- Effect of Oxygen to the Transport Properties of Bi2Sr2CaCu2O8+?, YBa2Cu3O7?? and Nd2?xCexCuO4??.- Resistivity and Microstructure in Superoxygenated La2CuO4+?.- Hall Coefficient for Nd2?xCexCuO4?? Probed by Oxygen Desorption.- Resistive Measurements of the Upper Critical Fields for Bi-Sr-Ca-Cu-O Thin Films in Pulsed Magnetic Fields.- Transport and Superconducting Properties on High-Tc Oxides: Pr-, Ca-Doped YBCO (124) and Quenched YBCO (123), BSCCO (2212), (2223).- Physical Properties of (Ba, K) NiS2.- 2.4 Magnetic Resonance and Mössbauer Studies.- Spin Dynamics at Planar Copper and Oxygen Sites in YBa2Cu4O8.- Tl/Cu-NMR Study on TlBa2CaCu2O7?? (T11212).- Nuclear Quadrupole Resonance Study in Ca Substituted YBa2Cu4O8.- NMR Study on Superconducting Nd2CuO3.8F0.2.- 2.5 Optical and Ultrasonic Properties169.- Anisotropic Optical Properties of High-Tc Copper Oxides.- Anisotropic Optical Spectrum of Bi2Sr2CaCu2O8+z.- Transient Induced Absorption Spectra of YBCO Superconductors Measured with Femtosecond Time Resolution.- Dielectric Constants of YBa2Cu3O7?? Thin Films in the Millimeter Wave Region.- Phonon Raman Scattering of Polycrystalline YBa2Cu4O8 Under Hydrostatic Pressure.- Electronic Structure of Quasi-Particle of Cuprate Superconductors.- 2.6 Magnetic and Microwave Properties.- Microwave Conductivity of Superconducting High-Tc Cuprates.- Harmonic Susceptibilities of Bi1.6Pb0.4Sr2Ca2Cu3Oy.- Lower Critical Field and Irreversibility Line in dc ac Magnetization of Bi2Sr2CaCu2O8 Single Crystal.- Anisotropic Vortex State of Single Crystalline Bi2Sr2CaCu2O8+?.- Superconducting Volume Fractions in a Mixed-Phase High-Tc Superconducting Sample.- Systematic Measurements of Physical Properties on Ba1?xKxBiOy Prepared on the Basis of the Phase Diagram.- Lower Critical Field Determination in a Three-Dimensionally Textured Thick Rod of Float-Zone-Processed BiSrCaCuO: 2212/Ag.- 3 Chemistry.- 3.1 Synthesis.- Pulsed-Laser Deposition and Characterization of Sr1?xNdxCuOy of “Infinite-Layer” Structure.- Mechanism of Carrier Doping in the Superconducting Infinite-Layer Compound A1?xCuO2?z (A = Ca1?ySry).- Synthesis of Superconducting Sr-Ca-Cu-O Using High Pressure Techniques.- High-Pressure Synthesis and Superconductivity of the Sr-Ca-Cu-O System.- Ba0.5Sr0.5CuOz: A New Perovskite Related Structure Which Forms at High Pressure of 6GPa.- Synthesis of Infinite-Layered (Ca, Y, Sr) CuO2 by Sol-Gel Method.- Synthesis and Characterization of “Infinite Layer” Structural M1?xCuO2 (M: Alkaline Earth and Alkali Metal).- Sequential Deposition and Characterization of M1?xCuO2±?.- The Cyrstal Structure of “Infinite-Layer” Sr1?xCuO2?? Thin Films.- Synthesis of Superconducting Cuprates, (Pb(1+x)/2Cu(1?x)/2)(Sr1?yCay)2 (Y1?xCax)Cu2Oz by Means of Encapsulation and Post-Annealing (ECPA) Technique.- Superconductivity Above 70K in GaSr2(Y1?xCax)Cu2Oy.- Synthesis and Characterization of (Tl0.7Pb0.3)(Ba1?xSrx)2Ca3Cu4Oz.- Superconductivity in Reduced Metal Titanates.- New Organic Superconductors: (BEDT-TTF)4M(CN)4H2O (M = Pt and Pd).- Chemistry en Route to Applications of Organic Superconductors.- Synthesis of Electron Doped Copper Oxides Free from 4f Spins.- 3.2 Substitution and Doping.- Control and Optimization of Critical Temperature for the Tl-Based Superconductors.- Carrier Hole Doping by Intercalation in High-Tc Bismuth Cuprates.- Determination of Average Valences of Copper and Thallium Separately in the Superconducting Thallium Cuprates.- Intercalation of High-Tc Oxides with Organic Molecules.- Effect of Post-Annealing on TC in Pb-Doped Bi-2223 Superconductors.- The Variation of Tc Due to Low Temperature Annealing (Aging) at 120°C in the Low-Tc Phase BSCCO Superconductors.- A Possible Increase of Tc in the 0:2:1:2 Superconductors.- Low Temperature Annealing Effect in La1.85Ca1.15Cu2O6 Superconductor.- Properties of Alkali-Fulleride Superconductors RbxC60.- Alkaline Metals Doping into C60 Thin Films.- Effect of AI-Doping on Crystal Growth and Superconductivity of Bi-2212.- Pressure Effects on Tc of Y2Ba4(Cu1?xCox)7O15.- Effect of Ni Substitution on the Superconducting Properties in Bi2Sr2Ca1Cu2Oy.- Doping Effect in the n-Type Superconductor Ln1.85Ce0.15CuO.- 3.3 Structure and Properties.- Surface Structure and Chemistry of Cuprate Superconductors.- Mapping and Exploiting the Superconducting Phase Diagram in High-Tc Cuprates.- The Patterson Map of Tl-Based Superconductor by the Maximum Entropy Method.- Change in Microstructure of Bi2Sr1.8Ca1.2Cu2Oy by Yttrium, Lanthanum Substitution and Ar Annealing.- Synthesis and 57Fe Mössbauer Spectroscopy of (Pb0.5Fe0.5)Sr2(Y0.5Ca0.5)Cu2Oz (z ? 7).- A Phase Transformation in Zr1?xScxB12.- Transport and Magnetic Properties of Ba4CuRh2O9 Compound with One Dimensional Disorder Chain.- Structural Disorder in High-Tc Superconducting Oxides, Tl-Ba-Ca-Cu-O.- Features of Structural Transitions in La1.875-xSmxSr0.125CuO4.- The Effect of Lanthanide (Ln) Elements on the Tc of LnBa2Cu4O8.- Structural Transitions and Related Electronic Properties in Ba1?xKxBiO3.- 3.4 Crystal Growth.- Crystal Growth of La2CuO4, YBa2Cu3O7 and Bi2Sr2CaCu2O8 by the TSSG Method.- Crystal Growth of Pr2CuO4 System by the TSFZ Method.- Use of a Thermal-Gradient Method and Eds, with Image Processing, To Elucidate the Operative Mechanism(s) During the Formation of Tl-1223.- Conversion Process of Low-Tc Phase into High-Tc Phase in Bi Cuprate System.- Phase Equilibria and Thermodynamics in the Sr-Cu-O and Ca-Cu-O Systems.- Annealing Effect on Bi2Sr2CaCu2Ox Large Crystal Grown by Floating Zone Method.- 4 Flux Pinning.- 4.1 Flux Pinning Properties.- Effect of Twin Planes on Flux Pinning in YBCO Prepared by MPMG Process.- Computer Simulation of Flux Pinning in Type II Superconductors.- TEM Observation of Microstructures in Melt-Processed YBa2Cu3Oy.- Oxygen-Content Dependence of the Flux Pinning in Pb-Substituted Bi-2212 Superconductors.- Impurity Pinning in YBaCuO System Prepared by MMTG and Thermal Diffusion Method.- Experimental Evidence of a Crossover in the Pinning of Vortices in Untwinned Single Crystals of YBa2Cu3O7??.- Enhancement of Critical Current Density on Bi2Sr2CaCu2Oy by Neutron Irradiation.- Neutron and Electron Irradiation Effects in Bi-2223.- Anisotropy of Pinning Forces in High-Tc Superconductors.- Anisotropic Flux Pinning in Layered Superconductor 2H-NbSe2?xSx.- Correlation Between Crystal Structure and Irreversibility Magnetic Fields in Oxide and Organic Superconductors.- Effect of Coherence Length in the C-Axis on Irreversibility Properties in Anisotropic High Temperature Superconductors.- Irreversibility Line and Flux Pinning in High-Tc Y1Ba2Cu3O7 Superconductors.- Flux Creep in the Vicinity of Irreversibility Lines.- Magnetic Relaxation in the Melt Processed YBa2Cu3O7?? Crystals.- Pinning in High-Field Superconductors: A Comparison Using Magnetoacoustic Experiments.- Energy Distribution of Flux Pinning Potential in (Bi,Pb)2Sr2Ca2Cu3Oy.- Critical Current Density and Depinning of Flux Lines in Epitaxial Thin Films of YBa2Cu3O7.- 4.2 Critical Current Characteristics.- Anisotropy of Resistivity and Critical Current Density in Y1Ba2Cu3O7?y Films.- Critical Current Density and Flux Pinning in Silver Sheathed BiPbSrCaCuO Tapes.- Magnetic-Field and Temperature Dependence of the Critical Current Density in High-Quality Bi2Sr2Ca2Cu3Ox Thin Films.- Anisotropy of Critical Current and 2D Mixed State in Superconducting Nb/NbZr Multilayers.- Radiation Effects on the Transport Critical Current Density in a Bi1.5Pb0.5Sr2Ca2Cu3Ox Ceramic.- 4.3 Electromagnetic Properties.- Hall Probe Magnetometry on High-Tc Superconductors.- Magneto-Optical Observation of Flux Penetration in an a-axis Aligned Bi-2212 Superconductor.- Thickness Dependence of the Flux Density Distribution in Textured Bi2Sr2CaCu2Ox Tapes.- The Effect of Sample Size on the Critical Current Density of Polycrystalline YBa2Cu3O7?x.- DC Magnetization of Bi-2212 Single Crystal in Field Cooled Process.- Effect of Reversible Fluxoid Motion on Magnetization in Small Superconductors.- Flux Density Distribution in Field-Oriented YBa2Cu3Ox Polycrystals.- Flux Motion Observed by AC Susceptibility Measurement in Bi-2223 and Bi-2212.- Harmonic Susceptibility and Irreversibility Line of YBa2Cu3O7 Films.- Effects of Transport Currents and Static Magnetic Fields on Harmonic Generation in YBCO Ceramics.- Field-Voltage Characteristics of YBCO Weak Link Structures.- Angle-Dependent Broadening of the c-axis Resistive Transition and Its 3D Scaling for Single-Crystal (La1?xSrx)2CuO4 (x = 0.12).- 5 Wires, Tapes and Bulk.- 5.1 Bulk — (1) YBCO.- Growth Mechanism of YBa2Cu3Ox Single Crystal Prepared by Crystal Pulling.- Chemical Doping on the Solution Spun Y-Ba-Cu-O Filament.- Growth of MPMG Processed Y123 Superconductor with Controlled Crystal Orientation.- Crystal Growth of High-Tc Superconductor Bi2Sr2Ca1Cu2Ox by Floating Zone Method.- Alumina-Doping Effect on Solidification Mechanism of Y-System Superconductors.- Crystal Growth of Bulk YBCO Superconducting Oxides; Effect of Undercooling.- Interface Undercooling During Unidirectional Solidification of 123 Crystal.- Characterization of YBa2Cu3O7?? Single Crystal Grown by Crystal Pulling.- Fabrication and Properties of Long (Y,Ho)-Ba-Cu-0 Rods Prepared by Unidirectional Solidification Technique.- Critical Current Behavior in Fiber Spun YBCO Superconducting Rods.- Preparation of YBa2Cu4O8 Superconducting Bulk at Ambient Oxygen Pressure via Oxalate Gel Route.- Study on the Low-Temperature Melt Growth for Y-123 Superconductor.- Melt Texturing of YBa2Cu3O7?? with PtO2-Additions.- 5.1 Bulk — (2) BSCCO.- Properties and Application of Bi Based Oxide Superconductors Prepared by Laser Pedestal Growth Method.- Influence of Starting Composition on Characteristics of Bi-Sr-Ca-Cu-O Fibers Prepared by the Micro-Czochralski Technique.- Heat Treatments After High Temperature Deformation in BPSCCO Sintered Specimens.- Microstructual Control of Bi-System Superconductor Prepared by Partially Melting Process.- Growth of Bi-Sr-Ca-Cu-O Single Crystals Using the Temperature Process for Nucleation Control.- The Preparation of High Quality Bi-Sr-Ca-Cu-O Single Crystals by a Self Flux Method.- The Preparation of Bi-Sr-Ca-Cu-O Ceramics by a Partial Melting Process.- Large Scale Transport Properties of Melt Cast Processed Bi2Sr2CaCu2Ox.- Single Crystals of Bi2Sr2CaCu2O8 Characterized by Chemical Etching.- 5.2 Wires and Tapes — (1) YBCO.- Application of CIP Treatment for Forming of Y1Ba2Cu3O7-y Superconductive Thick Film on Metal Substrate with Sprayed PSZ Buffer Layer.- Epitaxial Growth of Ba2YCu3O7-y Films by the Dipping-Pyrolysis Process Using a Two-Step Annealing Method.- Microstructural Study and Transporting Properties of Biaxially Aligned YBCO Tapes by Pulsed Laser Deposition.- Synthesis of Superconducting Oxide Film on Metal Substrate by Radio-Frequency Plasma Flash Evaporation.- Composite YBa2Cu3O7-x, Superconductor Prepared by Spray Drying Method.- Fabrication of Superconducting Y-Ba-Cu-O Tapes by Excimer Laser Ablation.- 5.2 Wires and Tapes — (2) BSCCO.- Bi-Based Silver-Sheathed High-Tc Superconducting Wire and Application.- A New Model for the Formation of the 110K BPSCCO Phase.- Influence of Ag Addition on Jc and Mechanical Properties of Ag/Bi2223 Tapes.- Solenoid Coil Using Multilayered Composite Wire of Bi-Based Superconductor.- Properties of Bi2Sr2CaCu2Oy/Ag Composite Tapes and Coils Melt-Solidified with Bi2Al4O9.- Enhancement of Jc by Oxygenation in Ag-Sheathed (Bi,Pb)2Sr2Ca2Cu3O10+?.- Dependence of Critical Current Density on Tape Thickness in Ag-Sheathed Bi2223 and Bi2212 Tapes.- The Effect of Ag Doping on Critical Current Density in Ag-Sheathed Bi2223 Tapes.- Preparation of Power Conductors Using Bi-Based Superconducting Tapes.- Microstructure and Superconducting Properties of Ag Sheathed (Bi, Pb)2Sr2Ca2Cu3Ox Tapes.- Fabrication of Ag-Sheathed Y-Substituted Bi-2212 Tapes.- Fabrication of Superconducting Coil by Bi2212 Silver Sheathed Tapes.- Bi-System Oxide Superconducting Tapes Based on Silver-Alloy for Power Current Leads.- Dependence of Critical Current Density on Microstructure in Ag-Sheathed (Bi, Pb)-(Sr, Ba)-Ca-Cu-O Superconducting Tapes.- Phase Studies and Superconducting Properties of Ag-Added Bi2Sr2CaCu2Oy/Ag Tapes.- Enhancement in Critical Current Density of Bi-2212/Ag Composite Tape Prepared by Screen Printing and Melt Growth.- 5.2 Wires and Tapes — (3) TBCCO.- Field Dependence of the Transport Critical Current in Polycrystalline TlBa2Ca2Cu3Oz Films.- 5.3 Characteristics.- Microstructural Factors Influencing Critical-Current Densities of High-Temperature Superconductors.- Magnetic Properties and Irreversibility Behavior in Ag-Sheathed Bi-Based Superconducting Wires Fabricated Using a Controlled Melt Procedure.- Grain Decoupling Phenomena and ac Losses in Polycrystalline YBCO.- Insulation Materials for Bi-2223 Tapes.- Magnetic Levitation Using MPMG YBaCuO.- Preparation and Properties of Tetragonal CaBaLaCu3Oy Superconductor.- Application for Current Lead Using Bi-Based Oxide Superconductor.- Superconductive Properties and Fluctuation Effect in Ba-Doped Bi-System Oxides.- Microstructual and Characteristics Comparison Between Tl-System and Bi-System Oxide Superconducting Tapes.- Magnetic Shielding Effect of YBCO Prepared by Modified Melt Texture Growth (MMTG) Method.- Mechanical and Superconducting Properties of Melt-Processed YBCO Composites Containing BaZrO3, Ag and 211-Phase.- Investigation of the Bending Effect and the Critical Current Density on a Bi-Based Superconducting Tape.- Preparation and Electrical Properties of Tl-Ba-Ca-Cu-O Superconducting Ceramics.- Progress in the Development of Continuous Manufacturing Processes for HTS Conductors.- Magnetic and Pinning Force Studies of Three-Dimensionally Textured Float-Zone-Processed Bi-Sr-Ca-Cu-O (2212/Ag).- Strain Dependence of Bi-2223 Tape Conductors for Application in High Field Magnets.- 6 Preparation and Properties of Thin Films.- 6.1 Superlattice, Heterostructure and Related.- Superconducting Nature of Ultrathin YBa2Cu3O7 Films.- Surface Characterization of YBCO Thin Films by LEED, XPS and ISS.- In Situ Optical Monitoring of Growth of YBCO Thin Films

280 mm

21 cm