Critical Current, Flux Pinning and Optical Studies of High Temperature Superconductors

Critical Current, Flux Pinning and Optical Studies of High Temperature Superconductors PDF Author: Anant Narlikar
Publisher: Nova Science Pub Incorporated
ISBN: 9781560724209
Category : Science
Languages : en
Pages : 294

Book Description


Studies of High Temperature Superconductors

Studies of High Temperature Superconductors PDF Author: A. V. Narlikar
Publisher: Nova Publishers
ISBN: 9781594549601
Category : Science
Languages : en
Pages : 348

Book Description
This Golden Jubilee volume in the world's foremost series on superconductivity covers wide-ranging topics capturing the current excitement in the field. The broad areas include the advancement of high Tc theory, materials depicting unusual characteristics, materials' processing and defect structures for improved properties, their electromagnetic response, flux pinning, Josephson junctions and devices, and large scale applications.

Flux Pinning in Superconductors

Flux Pinning in Superconductors PDF Author: Teruo Matsushita
Publisher: Springer Nature
ISBN: 3030946398
Category : Technology & Engineering
Languages : en
Pages : 506

Book Description
This book covers the flux pinning mechanisms and properties and the electromagnetic phenomena caused by the flux pinning common for metallic, high-Tc and MgB2 superconductors. The condensation energy interaction known for normal precipitates or grain boundaries and the kinetic energy interaction proposed for artificial Nb pins in Nb-Ti, etc., are introduced for the pinning mechanism. Summation theories to derive the critical current density are discussed in detail. Irreversible magnetization and AC loss caused by the flux pinning are also discussed. The loss originally stems from the ohmic dissipation of normal electrons in the normal core driven by the electric field induced by the flux motion. The influence of the flux pinning on the vortex phase diagram in high Tc superconductors is discussed, and the dependencies of the irreversibility field are also described on other quantities such as anisotropy of superconductor, specimen size and electric field strength. Recent developments of critical current properties in various high-Tc superconductors and MgB2 are introduced. The 3rd edition has been thoroughly updated, with a new chapter on critical state model. The mechanism of irreversible properties is discussed in detail. The author provides calculations of pinning loss by the equation of motion of flux lines in the pinning potential and hysteresis loss. The readers will learn why the resultant loss is of hysteresis type in spite of such mechanism. This book aims for graduate students and researchers studying superconductivity as well as engineers working in electric utility industry.

High-Temperature Superconductors

High-Temperature Superconductors PDF Author: Ajay Kumar Saxena
Publisher: Springer Science & Business Media
ISBN: 3642284817
Category : Science
Languages : en
Pages : 266

Book Description
This book presents the current knowledge about superconductivity in high Tc cuprate superconductors. There is a large scientific interest and great potential for technological applications. The book discusses all the aspects related to all families of cuprate superconductors discovered so far. Beginning with the phenomenon of superconductivity, the book covers: the structure of cuprate HTSCs, critical currents, flux pinning, synthesis of HTSCs, proximity effect and SQUIDs, possible applications of high Tc superconductors and theories of superconductivity. Though a high Tc theory is still awaited, this book describes the present scenario and BCS and RVB theories. The second edition was significantly extended by including film-substrate lattice matching and buffer layer considerations in thin film HTSCs, brick-wall microstructure in the epitaxial films, electronic structure of the CuO2 layer in cuprates, s-wave and d-wave coupling in HTSCs and possible scenarios of theories of high Tc superconductivity.

High Temperature Superconductivity 1

High Temperature Superconductivity 1 PDF Author: A. V. Narlikar
Publisher: Springer Science & Business Media
ISBN: 9783540406310
Category : Science
Languages : en
Pages : 536

Book Description
In contrast to research on the fundamental mechanisms of High-Temperature Superconductivity, in recent years we have seen enormous developments in the fabrication and application of High-Tc-superconductors. The two volumes of High Temperature Superconductivity provide a survey of the state of the technology and engineering applications of these materials. They comprise extended original research papers and technical review articles written by physicists, chemists, materials scientists and engineers, all of them noted experts in their fields. The interdisciplinary and strictly application-oriented coverage should benefit graduate students and academic researchers in the mentioned areas as well as industrial experts. Volume 1 "Materials" focuses on major technical advancements in High-Tc materials processing for applications. Volume 2 "Engineering Applications" covers numerous application areas where High-Tc superconductors are making tremendous impact.

Critical Current Limitation In High Temperature Superconductors

Critical Current Limitation In High Temperature Superconductors PDF Author: Waldemar Gorzkowski
Publisher: World Scientific
ISBN: 9814555584
Category :
Languages : en
Pages : 412

Book Description
This volume will focus on the theory and experiments leading to quantitative understanding of the magnetic field and temperature dependence of critical current densities in high-temperature superconductors. Topics will include: critical currents and flux-pinning, flux flow and flux creep, anisotropy of critical fields and currents, properties of the flux lattice and the irreversibility line, magnetization, granularity.

Studies of High Temperature Superconductors

Studies of High Temperature Superconductors PDF Author: A. V. Narlikar
Publisher: Nova Publishers
ISBN: 9781560721321
Category : Technology & Engineering
Languages : en
Pages : 476

Book Description
Six papers by physicists from the Japan, India, Brazil and the US address some of the broad frontal issues of superconductivity, which include the mechanisms of high-temperature superconductivity, extra-high-temperature phenomena, the normal state pseudogap, the observations of the isotope effect in a host of different superconducting systems and their explanations, and the unusual features of strongly correlated electron systems like heavy fermions. Two extended papers explore the importance of positron annihilation and using electron spin resonance techniques to study superconducting materials. The treatments should be accessible to working scientists and engineers and to graduate students of physics, chemistry, materials science, solid-state electronics, and other disciplines.

Physical Properties of High-Temperature Superconductors

Physical Properties of High-Temperature Superconductors PDF Author: Rainer Wesche
Publisher: John Wiley & Sons
ISBN: 1119978815
Category : Technology & Engineering
Languages : en
Pages : 546

Book Description
A much-needed update on complex high-temperature superconductors, focusing on materials aspects; this timely book coincides with a recent major break-through of the discovery of iron-based superconductors. It provides an overview of materials aspects of high-temperature superconductors, combining introductory aspects, description of new physics, material aspects, and a description of the material properties This title is suitable for researchers in materials science, physics and engineering. Also for technicians interested in the applications of superconductors, e.g. as biomagnets

Field Penetration and Magnetization of High Temperature Superconductors

Field Penetration and Magnetization of High Temperature Superconductors PDF Author: A. V. Narlikar
Publisher: Nova Publishers
ISBN: 9781560721826
Category : Science
Languages : en
Pages : 468

Book Description
Visualisation of Shubnikov Phase Using the High Resolution Faraday Effect; Mechanism of microwave Absorption and Flux Distribution in High Temperature Superconductors; Field Penetration and Magnetisation of Hts; Experimental Aspects of Megnetisation Studies in Superconductors; Recent Development of the Critical State Model; Anomalous Magnetisation in Ybacuo Single Crystals; Surface Barrier and Fish Tail; Low Field Magnetic Behaviour of High Temperature Superconductors; Irreversible Part of Magnetisation Due to Flux Pinning; Irreversibility Line in High Temperature Superconductors; Non-Linear Flux Flow Regime High-Temperature Superconductors.

Melt Processed High-temperature Superconductors

Melt Processed High-temperature Superconductors PDF Author: Masato Murakami
Publisher: World Scientific
ISBN: 9810212445
Category : Technology & Engineering
Languages : en
Pages : 380

Book Description
The achievement of large critical currents is critical to the applications of high-temperature superconductors. Recent developments have shown that melt processing is suitable for producing high Jc oxide superconductors. Using magnetic forces between such high Jc oxide superconductors and magnets, a person could be levitated.This book has grown largely out of research works on melt processing of high-temperature superconductors conducted at ISTEC Superconductivity Research Laboratory. The chapters build on melt processing, microstructural characterization, fundamentals of flux pinning, critical current, and applications of bulk monolithic superconductors. The text also describes the basic mechanism of levitation and its application. This book will be useful for research workers, engineers, and graduate students in the field of superconductivity.List of Authors: H Fujimoto, S Gotoh, T Izumi; N Koshizuka, K Miya, M Murakami, N Nakamura, Y Nakamura, Y Shiohara, H Takaichi, T Taguchi, M Uesaka, H W Weber, K Yamaguchi.