Search
Search Results
-
Effect of Bi2O3 Addition on the Single-Crystal BiSrCaCuO Whisker Growth
Bi-2212 superconducting whiskers have been fabricated by annealing a melt-quenched precursor using suitable heat-treatment cycles for Bi 3+ x ...
-
Power Law Dependence of I–V Characteristics of Bi-2212 Whiskers at Low Magnetic Fields
In this study, BiSrCaCuO superconducting whiskers were fabricated by using a glass-ceramics process. The T c value of the whiskers fabricated was...
-
Oxidation Behavior of Bi(Pb,Ga) SrCaCuO System
A nominal compositions of BiSrCaCuO (3:2:2:3), (2:2:2:3), (4:3:3:4), and BiPbGaSrCaCuO (3:0.5:2:2:3), (3:0.3:0.3:2:2:3) have been prepared by...
-
Effect of Vanadium Substitution on the Dielectric Properties of Glass Ceramic Bi-2212 Superconductor
Glass ceramic superconductors were prepared by the melt-quenching method. The frequency and temperature dependence of dielectric constant ( ε ′),...
-
Paramagnetic Meissner Transitions in Pb Films and the Vortex Compression Model
The magnetic flux exclusion known as Meissner effect resulting from a perfectly diamagnetic susceptibility χ =−1 is one of the defining features of...
-
High-Temperature Superconductors. Overview
High-temperature superconductors placed in the center of our research are the type-II superconductors. Therefore, their properties and... -
Fabrication of nanosized superconductor structures with a critical temperature exceeding 100 K
The technology of preparation of layers (up to 100 nm thick) of a superconductor of composition (Bi,Pb) 2 Sr 2 Ca 2 Cu 3 O 10 with a superconducting...
-
RETRACTED ARTICLE: Effect of magnetic relaxation on flux jump in high temperature superconductors
The effect of magnetic relaxation on flux jump is studied in high temperature superconducting slab. The magnetothermal diffusion equations based on...
-
Effect of Ce substitution on superconducting properties of Bi2Sr2Ca2Cu3O10+δ system fabricated by glass-ceramic technique
In this study, the samples with nominal composition of Bi 2− x Ce x Sr 2 Ca 2 Cu 3 O 10+ δ , where x =0, 0.05, 0.1, 0.2, 0.4 and 0.6, are synthesized by using...
-
The Effects of Mg Substitution in Bi-2223 Superconductors
The effects of Mg substitution in Bi-2223 superconductor system has been studied for the Bi 1.7 Pb 0.3 Sr 2 Ca 2 Cu 3− x Mg x O y nominal composition ( x =0.00,...
-
Effect of Flux Jump on Current Density Distributions in Type-II Superconductors
The effect of flux jump on the current density distributions is studied in type-II superconducting slab. The magnetothermal diffusion equations based...
-
The Effect of Silver Substitution in Bi1.7Pb0.3Sr2Ca2−x Ag x Cu3O y
The effect of Ag substitution on the properties of high-temperature superconductor Bi 1.7 Pb 0.3 Sr 2 Ca 2− x Ag x Cu 3 O y system have been investigated. The...
-
Frontiers Problems of the Josephson Effect: From Macroscopic Quantum Phenomena Decay to High-T c Superconductivity
The macroscopic quantum decay phenomena occurring in Josephson structures represent one of the most intriguing issues of the weak coupling... -
Superconductivity, I: Phenomenology
Materials becoming superconductors as they are cooled below the critical temperature Tc are mentioned; the main properties of the superconducting... -
The Effect of Ru Substitution on the Thermal, Structural and Magnetic Properties of Bi3Sr2Ca2Cu3O δ Superconducting System
We have investigated the effect of Ru substitution on the thermal, structural/microstructural and magnetic properties of Bi-3223 system prepared...
-
Superconducting Properties of Zn-Doped Cu0.5Tl0.5Ba2Ca2Cu3−y Zn y O10−δ Superconductors
A reproducible synthesis and characterization of Zn-doped Cu 0.5 Tl 0.5 Ba 2 Ca 2 Cu 3− y Zn y O 12− δ ( y =0, 0.5, 1.0, 1.5) superconductors at a relatively lower...
-
Phase composition and properties of superconducting ceramics based on Bi1.7Pb0.3Sr2Ca2Cu3O y precursors fabricated by melt quenching in a solar furnace
Production of superconducting ceramics based on precursors with rated composition Bi 1.7 Pb 0.3 Sr 2 Ca 2 Cu 3 O y is studied. The precursors are synthesized...
-
High-T c Films: From Natural Defects to Nanostructure Engineering of Vortex Matter
Due to their unique properties, ceramic high-T c materials offer new perspectives for cryoelectronic applications. However, the... -
Effects of Li Substitution in Bi-2223 Superconductors
The effects of Li substitution on the properties of high temperature superconductor Bi 17 Pb 0.3 Sr 2 C 2 Cu 3− x Li x O y were investigated. The samples were...
-
Infrared Spectroscopy
Infrared spectroscopy is one of the most popular spectroscopic techniques in solid-state physics. The simple reason for this is that nearly all...