Advances in Superconductivity VII: Proceedings of the 7th International Symposium on Superconductivity (ISS’94), November 8–11, 1994, Kitakyushu. Volume 1

Front Matter....Pages III-XXII
Front Matter....Pages 1-1
Epitaxial High-T c Films — Impact on Science and Applications....Pages 3-8
Physical Properties of the New Borocarbide Superconductors....Pages 9-14
Strong Flux Pinning In Melt-Grown RE123 (RE: Sm, Eu, Gd) Superconductors....Pages 15-18
Investigation of the Josephson Effect in Y(Yb)Ba 2 Cu 3 O 7−y Single Crystal Break Junctions....Pages 19-22
Progress and Recent Trend of SMES Research....Pages 23-28
Front Matter....Pages 29-29
Determining the Symmetry of the Superconducting Pairing State from Phase Coherence in Josephson Junctions and dc SQUIDs....Pages 33-38
A Search for Nodes in the Wavefunction of Superconducting Y 1 Ba 2 Cu 3 O 7−δ Thin Films....Pages 39-43
Symmetry of Pair Potential Observed by Tunneling Spectroscopy....Pages 45-48
Low temperature STM/STS measurements on c-axis oriented Y 1 Ba 2 Cu 4 O 8 superconductive films....Pages 49-52
Gap Value Determinations on the Tunneling Spectrum....Pages 53-56
LT-STM/STS Study on Bi 2 Sr 2 CaCu 2 O y ....Pages 57-60
Observation of Inhomogeneous Spatial Conductivity on YBCO Single Crystal by LT-UHV-STM....Pages 61-64
Manifestation of a Clear Gap Structure and Quantum Size Effects From Point-Contact and Tunneling Spectroscopy of YBa 2 Cu 3 O 7−x and YbBa 2 Cu 3 O 7−x Single Crystals....Pages 65-68
Scanning Tunneling Microscopy of Cleaved Surfaces of Bi 2 Sr 2 CuO 6 +δ ....Pages 69-72
A Thermodynamic Investigation of the Normal State Spectrum of YBa 2 Cu 3 O 6+x ....Pages 75-80
Anomalous Transport Properties in the Tetragonal Superconductor CaLaBaCu 3 O y ....Pages 81-84
Annealing Effect on the c-Axis Negative Magnetoresistance in Bi-2212 Single Crystals....Pages 85-88
Anisotropic Transport Properties of YBa 2 Cu 3 O 7−δ Single-Crystal....Pages 89-92
Nonlinear Transport in insulating YBa 2 Cu 3 O y ....Pages 93-96
Correlation Between Tc and Hole Concentration of Bi2212 Phase ~ Effect of Annealing in Absence of Oxygen ~....Pages 97-100
Front Matter....Pages 29-29
Thermoelectric Power of TCNQ-Treated (Bi,Pb)-2223 Cuprates....Pages 101-104
Hall Effect Measurements for YBa 2 Cu 3 O x Thin Films in Pulsed High Magnetic Fields up to 40T....Pages 105-108
Hall Effects in Bi 2 Sr 2 CaCu 2−x Ni x O 8+δ Single Crystals in Normal and Mixed States....Pages 109-112
Scaling of the Hall Resistance in the Mixed State of Indium Films....Pages 113-116
Distinct Insulating Phase at Low Temperature in Thin Superconducting Films....Pages 117-120
Thickness Dependence of the I–V Characteristics in Indium Films....Pages 121-124
Superconducting Properties in Bi-2201 Single Crystals....Pages 125-128
Low Temperature Annealing Effect on Superconducting Properties of YBCO Crystals Grown by SRL-CP Method....Pages 129-132
Material Properties of YBa2Cu3Ox Single Crystals Grown by the SRL-CP Method; Pinnig and Coupling Between CuO2-Plan....Pages 133-136
Tetragonal Tweed Phase Superconducting YBCO Single Crystals....Pages 137-140
Effect of Light Irradiation on the Crystal Structure and Conductivity of Reduced YBa 2 Cu 3 O 7−y ....Pages 141-144
 57 Fe Mössbauer Spectroscopy for Bi-System Superconductors....Pages 147-150
NQR study in YBa 2 Cu 4 O 8 under pressure....Pages 151-154
NMR Study of the Magnetism and Superconductivity in Cu 1+x Co 2−x S 4 ....Pages 155-158
Is a Pseudogap Responsible for the Semiconducting-Like c -Axis Conductivity In Underdoped YBa 2 Cu 3 O 7−δ ?....Pages 161-164
Indirect Excitons in Three-Dimensional Charge-Density-Wave System of BaBiO 3 ....Pages 165-168
Temperature Dependence of Optical Spectra for the CDW Gap and Optical Phonons in BaBiO 3 ....Pages 169-172
Low-Frequency Raman Spectra of (BiPb) 2 Sr 2 CaCu 2 O 8 ....Pages 173-176
Effects of Ni Substitution on the Superconducting and Raman Spectra in YBa 2 Cu 4 O 8 ....Pages 177-180
Spectral Dependence of Photoinduced Hole Doping Effects in Oxygen-Deficient YBa 2 Cu 3 O y ....Pages 181-184
Front Matter....Pages 29-29
Electromagnetic Generation and Detection of Acoustic Waves by High- T c Superconductors under Magnetic Field....Pages 185-187
Microwave Penetration Depth Measurements as a Probe of the Superconducting State of YBCO....Pages 191-196
Superconducting-State Parameters and Anisotropy of HgBa 2 Ca n−1 Cu n O y ....Pages 197-200
Frequency Dependence and Anisotropy of ac Field Screening in the Mixed State of Bi 2 Sr 2 CaCu 2 O 8 ....Pages 201-204
Vortex Phase Diagram near Tc via DC and AC Magnetization of BSCCO-2212 Crystal....Pages 205-208
Anomalous Peak Effect in the Tl 2 Ba 2 CaCu 2 O 8+y Single-Crystal....Pages 209-212
Anomalous Temperature Dependence of dc Magnetization in Superconducting High- T c Thin Films....Pages 213-216
Unusual Lattice Hardening below T c in La 2−x Sr x CuO 4 ....Pages 219-224
Dependence of T c on Uniaxial Stress for Single Crystal of Bi 2 Sr 2 CaCu 2 O x ....Pages 225-228
Neutron Scattering and Microstructural Studies of the Crystalline Perfection of SRL-CP Single Crystals of Y 1 Ba 2 Cu 3 O 7−δ ....Pages 229-232
A Note on High T c Layered Superconductors Illustrated by Phase Coherence Competition with Charging Energies....Pages 233-236
Structural Study on BaCuO 2 Single-Crystal Thin Films by X-ray Weissenberg Method....Pages 237-240
Effect of Tb Substitution on the Superconductivity of La 2−x Ba x CuO 4 ....Pages 241-244
Front Matter....Pages 245-245
A New Homologous Series of Compounds: Cu-12(n−1)n :P....Pages 249-254
New Low Anisotropic High-Tc Superconductors (Cu, Ag)Ba 2 Ca n−1 Cu n O 2n+4−y ....Pages 255-260
Synthesis of CuBa 2 Ca 3 Cu 4 O 12−δ with Low Anisotropy....Pages 261-264
New Homologous Series of Pb-based Cuprate Superconductors....Pages 265-268
Attempts at Preparation of CuBa 2 Ca (n−1) Cu n O y Superconductors by Sol-Gel Method....Pages 269-272
Synthesis and Chemical Characterization of Pb 2 Ba 2 EuCu 3 O z Samples....Pages 273-276
Preparation and Properties of a New Layered Structural Cuprate, Gd 2 CaBa 2 Ti 2 Cu 2 O 12 ....Pages 277-280
Front Matter....Pages 245-245
High-pressure syntheses of Ga/Al-based cuprate superconductors....Pages 281-284
Chemical Stabilization and Irreversible Magnetic Behavior of HgM 2 Ca n−1 Cu n O y with M=Sr(Ba) and n=1 to 3....Pages 287-290
New family of mercury- and thallium-based superconductors, Hg 1−x Tl x Ba 2 (Ca 0.86 Sr 0.14 ) 2 Cu 3 O 8+δ ....Pages 291-294
Preparation and Properties of (Hg 1−x Bi x )Ba 2 Ca 2 Cu 3 O 8+δ ....Pages 295-298
Comparison of Carrier Doping Levels of Pb-Free and Pb-Doped (Hg,Pb)Ba 2 Ca 2 Cu 3 O 8+δ Superconductors....Pages 299-302
Effects of Bismuth Substitution on Magnetization Properties of Hg 1−x Bi x Ba 2 Ca 2 Cu 3 O y Superconductors....Pages 303-306
Preparation of Hg-Based Superconductors with Various Oxygen Content....Pages 307-310
Low-temperature Crystal Growth of TI-based Superconductor....Pages 313-316
Single Crystal Growth of Tl 2 Ba 2 CaCu 2 O 8 and Tl 2 Ba 2 Ca 2 Cu 3 O 10 and Low Temperature X-ray Single Crystal Experiment of Tl 2 Ba 2 Ca 2 Cu 3 O 10 ....Pages 317-320
 In-situ Observation of Crystallization from a Glassy State in the Bi-Sr-Ca-Cu-O System....Pages 321-324
Single Crystal X-ray Diffraction Study of Cu-Based Superconductors....Pages 325-328
Thermally Induced Phase Transformation and Superconductivity in Oxygen Reduced YBa 2 Cu 3 O x ....Pages 329-332
Fabrication of YBa 2 Cu 3 O 7−δ Film by Laser MOCVD using Ba(hfa) 2 ·tetraglyme....Pages 333-336
Preparation of Superconducting Ba-Ca-Cu-O Thin Films by RF Thermal Plasma Deposition Method....Pages 337-340
Microstructure of Melt-Processed Nd-Ba-Cu-O Superconductors....Pages 341-344
SmBaCuO Superconductors Melt-Processed in Low Oxygen Partial Pressures....Pages 345-347
Stoichiometry, Structure, and Properties of La 2 NiO 4+δ and La 2-x Sr x NiO 4±δ ....Pages 351-356
Phase Equilibria in the Sr-Ca-Cu-O system....Pages 357-360
Modelling of Thermodynamics and Phase Equilibria in Selected Subsystems of the Bi-Sr-Ca-Cu-O System....Pages 361-364
Phase Equilibria in Parts of the System Bi-Sr-Ca-Oxide at 820 and 900°C in Air....Pages 365-368
Front Matter....Pages 245-245
A New High Pressure form of BaCuO 2+x ....Pages 369-372
Thermodynamics and Phase Diagram of the Ag-Cu-O System....Pages 373-376
Superconducting Properties of the La 1+x Ba 2−x Cu 3 O y System....Pages 377-380
O 2 -HIP preparation and characterization of PrBa 2 Cu 4 O 8 ....Pages 381-384
Observation of Low Temperature Oxygen Diffusion in Deuterium-Doped YBa 2 Cu 3 O 6 Single Crystal by SIMS....Pages 385-388
Origin of Modulated Structure for Bi2212 Superconductor....Pages 389-392
Anisotropic Electrical Resistivity of La 2−x Ca x CuO 4 Single Crystals....Pages 393-396
Superconductivity in Carrier-Doped BaCuO x Thin Films....Pages 397-400
Synthesis and Electrical Property of MgTi 2-x V x O 4 ....Pages 401-404
Investigation of Synthesizing Process for Single Phase Y—Pd—B—C....Pages 405-408
Front Matter....Pages 409-409
Observation of the Flux-Line Lattice by Neutron Diffraction and Muon-Spin Rotation....Pages 413-418
Magneto-Optical Observation of Flux Penetration Along Twin Boundaries in YBa 2 Cu 3 O 7 ....Pages 419-422
Critical Current Density Estimation of YBCO by Trapped Field Measurement Using a Hall Probe....Pages 423-426
Magneto-Optical and HREM Studies of Flux Pinning at Grain Boundaries in the bc Plane of Bi2212 Crystal....Pages 427-430
Observation of vortices in Bi 2 Sr 2 Ca 1 Cu 2 O y single crystal....Pages 431-434
Flux Properties in YBa 2 Cu 3 O 7−δ and Inhomogeneous ESR Broadening....Pages 435-438
Trapped Flux Density Distribution on the Surface of Oxide Superconducting Plates....Pages 439-442
Effect of Light Irradiation on Flux Flow in Oxide Superconductor....Pages 443-446
Flux Pinning Property in Superconducting Bi-2223 Tape Wires....Pages 449-454
Effects of Static Disorder on Vortex Phases and Dynamics of Type-II Superconductors — A Scaling Approach....Pages 455-460
Front Matter....Pages 409-409
Enhanced Critical Current Density in the Tl-Base Oxides with Fluorine Addition....Pages 461-464
Pinning Force Density in Strongly Pinned Superconductors....Pages 465-468
Scaling Law of Pinning Force Density in Bi-2223 Superconducting Tape Wires....Pages 469-472
Transport Anisotropy of Resistivity and Critical Current Density in Sputtered Y 1 Ba 2 Cu 3 O 7−y Films....Pages 473-476
Effect of 18 MeV Fe 8+ Ion Irradiation on Microstructue of Bi 2 Sr 2 CaCu 2 O x Single Crystal....Pages 477-480
Critical Current Densities of Thin YBaCuO Films in Parallel Magnetic Fields....Pages 481-484
Computational Analysis of Optimal Size of a Cylindrical Insulating Inclusion Acting as a Pinning Center....Pages 485-488
Calculations of Electronic Structure of Candidates for Magnetic Flux Pinning Centers in Oxide Superconductors....Pages 489-492
Flux Creep and Pinning Strength in Superconducting Pb-Bi Alloys with Different Pinning Strength....Pages 493-496
Dependence of Irreversibility Temperature on Thickness of Superconducting Films....Pages 497-500
Critical Current Property and Irreversibility Line in Superconducting Hg-1212....Pages 501-504
Irreversibility Properties in Superconducting Pb-Bi Alloys....Pages 505-508
Synthesis and Physical Properties of Ca-doped YBa 2 Cu 3 O y Thin Films....Pages 509-512
The Effect of B and P Ion Implantation on Superconducting Magnetic Shielding in NbTi Sheets....Pages 513-516
Irreversibility Magnetic Fields and Vortex-Glass-like Behavior in Tl 1 Ba 2 Ca 2 Cu 3 O x and Tl 2 Ba 2 Ca 2 Cu 3 O x Thin Films....Pages 517-520
Complex susceptibility of infinite-layer superconductor (Sr 0.7 Ca 0.3 ) 0.95 CuO 2−x ....Pages 523-526
Irreversibility line of YBa 2 Cu 3 O 7 single crystal with optimum oxygen stoichiometry....Pages 527-530
TEM Zone Axis Critical Voltage in YBCO and Microanalysis of Oxygen Concentration....Pages 531-534
AC Magnetic Susceptibility of Bi 2 Sr 2 CaCu 2 O 8 Single Crystal....Pages 535-538
Magnetic Torque in La 2−x Sr x CuO 4−δ Single Crystals with Various Carrier Doping States....Pages 539-542
Front Matter....Pages 409-409
Transport Properties in a -Axis Oriented YBa 2 Cu 3 O x Thin Films....Pages 543-546
Persistency of Superconducting Current in YBCO(123) and BSCCO(2212)....Pages 547-550
Flux Creep of Proximity-induced Magnetization in NbTi Multifilamentary Wires with Cu-Mn Matrix....Pages 551-554
Critical Current Distribution and Flux Creep Properties in Y 1 Ba 2 Cu 3 O 7-δ Superconducting Thin Films....Pages 555-558
Minor Magnetization and Flux Creep Characteristics in YBaCuO Superconductors with Distributed Pinning Forces....Pages 559-562
Anomalous Non-Linear Effect of the c-Axis I–V Characteristics in Single Crystalline Bi 2 Sr 2 CaCu 2 O 8+δ under Magnetic Fields....Pages 563-566
Back Matter....Pages I-1-I-13