-
Article
Visualization of Thermal Processes in Superconducting Composites under Critical Current Loads
The paper presents the results of studies of non-equilibrium states in ribbon high-temperature superconductors under pulse current loading. To study transient processes in a superconductor at critical current ...
-
Article
Influence of Ion Irradiation on the Structural Parameters of the Superconducting Layer of HTS Composites
The effect of irradiation with Cu+ ions with an energy of E = 6.3 eV on the crystal structure and critical characteristics of high-temperature copper-based superconductors in the regime of radiation defect format...
-
Article
Magnetization and Critical Current of a Weakly Anisotropic HTSC with Columnar Pinning Centers
The effect of columnar pinning centers on the current–voltage characteristic, the critical current, and the shape of the magnetization curve has been studied by the Monte Carlo method within a three-dimensiona...
-
Article
Influence of Mechanical Loads on Superconducting Properties of HTSC Tapes and Assemblies
This article studies the deformation resistance of high-temperature superconducting (HTSC) tapes for various parameters of deformation. The four-contact method has been used to measure the critical current in ...
-
Article
Peculiarities of Investigation of HTS Tape by Low-Temperature Magneto-Optical Visualization
In this paper, we analyze in detail the features of the application of the magneto-optical imaging technique for studying HTS tapes. We present a detailed description of the experimental technique and features...
-
Article
Simulation Experiments at the Heavy Ion Accelerator HIPr
The resource of nuclear facilities is largely limited by the degradation of structural or functional materials. Under the action of high-energy neutrons, defects in the crystal lattice appear in the material a...
-
Article
Effect of Proton Irradiation on the Critical Parameters of HTS Composites
High-temperature superconducting (HTS) composite tapes of the second generation are promising materials for the development of sources of high magnetic fields, including for accelerators and tokamaks, where su...
-
Article
Simulation of Current Distribution and Energy Losses in a Superconducting CORC Cable
The results of numerical simulation of the characteristics of a superconducting CORC cable under synchronous cyclic loading by electric current and magnetic field under liquid neon cooling are presented. Distr...
-
Article
Influence of Mechanical Deformations of HTSC Tapes on the Current-Carrying Characteristics in the Creation of a CORC Cable
High-temperature superconducting magnets are a system with a complex configuration. In the process of creating such systems, HTSC tapes can be subject to mechanical damage, which leads to a deterioration in th...
-
Article
Levitation Forces Acting on an HTS Sample in the Field of a Permanent Magnet
Using the Monte Carlo method, the vertical z-component of levitation force acting on a thin HTS film in a field simulating the inhomogeneous field of a permanent magnet is calculated within the framework of a two...
-
Article
Magnetic Levitation Characteristics of the System of Permanent Magnet Stacks of HTS Tapes of Various Architectures
Stacked composite high-temperature superconducting tapes (HTS tapes) are advanced material for development of magnetic levitation systems such as levitation transport, bearings, and kinetic energy storage. At ...
-
Article
Comparative Analysis of the Magnetic Force Characteristics of the Permanent Magnet- and Superconducting Ribbon-Based Magnetic Lines
The characteristics of maglev systems of two types with a gradient magnetic field induced by different methods are theoretically investigated. In the first case, the gradient magnetic field in a magnetic field...
-
Article
Influence of Pressure on the Critical Current and Levitation Properties of HTS Tapes
The contemporary composite high-temperature superconducting tapes (HTS tapes) are an advanced material for development of systems based on magnetic levitation. Development of levitation systems requires awaren...
-
Article
On Magnetometric Determination of the Radiation Defect Concentration in a Superconducting GdBa2Cu3O7 – x Film
An express magnetometric technique which enables the determination of inhomogeneities of changing the superconducting properties of a thin semiconductor layer due to a radiation irradiation is proposed and jus...
-
Article
Vortex Structure of HTSC in an Inhomogeneous Magnetic Field
The penetration of a magnetic flux into an anisotropic superconductor placed in a gradient magnetic field equivalent to a permanent magnet field is studied numerically. Vortex configurations formed in a defect...
-
Article
Magnetic and Transport Properties of Type-II Superconductors: Numerical Modeling and Experiment
This review is devoted to various experimental and theoretical studies of the magnetic and transport properties of type-II superconductors. The main interest is in the study of the behavior of the vortex syste...
-
Article
Mechanism of the Generation of the Critical Current in High-Temperature Superconductors with Through Microdefects
The critical current of a model high-temperature superconductor (HTSC) with defects in the form of through holes (antidots) with characteristic sizes on the order of the magnetic-field penetration depth (or la...
-
Article
Dynamic Vortex States in High-Temperature Superconductors under Pulsed Magnetization
A vortex system of the Bi-2212 superconductor in an external magnetic field linearly increasing at different rates has been numerically simulated using the Monte Carlo method. The effect of the concentration a...
-
Article
Magnetic Braking and Energy Loss in Contactless Bearings Based on Superconducting Tapes
We consider magnetic braking and energy loss appearing in contactless bearings based on high-temperature superconducting tapes. We analyze model configurations of bearings in which a superconducting tape is th...
-
Article
Magnetic Drag and Energy Losses in Noncontact Bearings Based on Superconducting Tapes
In the paper, the problem of magnetic drag and origination of energy losses in noncontact bearings based on high-temperature superconducting tapes is considered. The model configurations of bearings in which a...
