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Addition Of Nanoparticle Dispersions To Enhance Flux Pinning Of The Yba2cu3o7 X Superconductor
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Book Synopsis Addition of Nanoparticle Dispersions to Enhance Flux Pinning of the YBa2Cu3O7-x Superconductor by :
Download or read book Addition of Nanoparticle Dispersions to Enhance Flux Pinning of the YBa2Cu3O7-x Superconductor written by and published by . This book was released on 2004 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: After the discovery of type-II HTS, focus is to develop these materials for power applications. One of the problems has been that magnetic flux is not completely expelled but rather contained within magnetic fluxons, whose motion stops larger supercurrents. It's known that the critical current of these materials can be enhanced by incorporating a high density of extended defects to act as pinning centres for the fluxons. YBa2Cu3O7 (YBCO or 123) is the most promising material for such applications at higher temperatures. Pinning is optimized when the size of the defects approaches the superconducting coherence length (̃2-4nm for YBCO at temperatures ≤ 77 K) and when the areal number density of defects is of the order of (H/2) x 1011 cm-2, where H is the applied magnetic field in tesla. Such a high density has been hard to get by material-processing methods that keep a nanosize defect, except through irradiation. Here we report a method for achieving a dispersion of ̃8-nm-sized nanoparticles in YBCO with a high number density, which increases critical current (at 77 K) by a factor of two to three for high magnetic fields.
Book Synopsis Nanotechnology for the Energy Challenge by : Javier García-Martínez
Download or read book Nanotechnology for the Energy Challenge written by Javier García-Martínez and published by John Wiley & Sons. This book was released on 2010-01-12 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unique in providing an overview of the subject on the scientific level, this book presents the current state of the art with regard to different aspects of sustainable energy production and its efficient storage. The broad scope ranges from nanomaterials for energy production, via fuel cells and nanostructured materials for fuel production, right up to supercapacitors and climate change. Edited by a rising star within the community, this is an invaluable work on a hot topic for materials scientists, solid state, surface and physical chemists, as well as those chemists working in industry and chemical engineers.
Book Synopsis Handbook of Superconductivity by : David A. Cardwell
Download or read book Handbook of Superconductivity written by David A. Cardwell and published by CRC Press. This book was released on 2022-07-05 with total page 1292 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the second of three volumes of the extensively revised and updated second edition of the Handbook of Superconductivity. The past twenty years have seen rapid progress in superconducting materials, which exhibit one of the most remarkable physical states of matter ever to be discovered. Superconductivity brings quantum mechanics to the scale of the everyday world where a single, coherent quantum state may extend over a distance of metres, or even kilometres, depending on the size of a coil or length of superconducting wire. Viable applications of superconductors rely fundamentally on an understanding of this intriguing phenomena and the availability of a range of materials with bespoke properties to meet practical needs. While the first volume covers the fundamentals of superconductivity and the various classes of superconducting materials, Volume 2 covers processing of the desired superconducting materials into desired forms: bulks, films, wires and junction-based devices. The volume closes with articles on the refrigeration methods needed to put the materials into the superconducting state. Key Features: Covers the depth and breadth of the field Includes contributions from leading academics and industry professionals across the world Provides hands-on guidance to the manufacturing and processing technologies A comprehensive reference, the handbook is suitable for both graduate students and practitioners in experimental physics, materials science, and multiple engineering disciplines, including electronic and electrical, chemical, mechanical, metallurgy and others.
Book Synopsis Processing Considerations for Adding Nanometer-scale Oxides to Enhance Flux Pinning in High-temperature Superconductors by :
Download or read book Processing Considerations for Adding Nanometer-scale Oxides to Enhance Flux Pinning in High-temperature Superconductors written by and published by . This book was released on 1997 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Several nanometer-scale oxide inclusions were added to Bi2Sr2CaCu2O(subscript x) high-temperature superconductors to determine their effectiveness in creating intragranular flux-pinning sites. Powder pellets were fabricated and heat treated by partial-melt processing. Effects of the additives on melting response, superconducting properties, and microstructural development were examined. Al2O3 additions exhibited the most promise for forming stable pinning centers, ZrO2 and SnO2 additions were moderately promising, TiO2, Fe2O3, and ZnO additions were less promising, and Y2O3 additions destroyed superconductivity.
Book Synopsis Advances in Nanocomposites by : Boreddy Reddy
Download or read book Advances in Nanocomposites written by Boreddy Reddy and published by BoD – Books on Demand. This book was released on 2011-04-19 with total page 984 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Nanocomposites - Synthesis, Characterization and Industrial Applications was conceived as a comprehensive reference volume on various aspects of functional nanocomposites for engineering technologies. The term functional nanocomposites signifies a wide area of polymer/material science and engineering, involving the design, synthesis and study of nanocomposites of increasing structural sophistication and complexity useful for a wide range of chemical, physicochemical and biological/biomedical processes. "Emerging technologies" are also broadly understood to include new technological developments, beginning at the forefront of conventional industrial practices and extending into anticipated and speculative industries of the future. The scope of the present book on nanocomposites and applications extends far beyond emerging technologies. This book presents 40 chapters organized in four parts systematically providing a wealth of new ideas in design, synthesis and study of sophisticated nanocomposite structures.
Book Synopsis High-Entropy Alloy Superconductors by : Jiro Kitagawa
Download or read book High-Entropy Alloy Superconductors written by Jiro Kitagawa and published by Springer Nature. This book was released on with total page 259 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Superconductivity written by Paolo Mele and published by Springer Nature. This book was released on 2019-08-21 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides readers with a comprehensive overview of the science of superconducting materials. It serves as a fundamental information source on the actual techniques and methodologies involved in superconducting materials growth, characterization and processing. This book includes coverage of several categories of medium and high-temperature superconducting materials: cuprate oxides, borides, and iron-based chalcogenides and pnictides. Provides a single-source reference on superconducting materials growth, characterization and processing; Bridges the gap between materials science and applications of superconductors; Discusses several categories of superconducting materials such as cuprate oxides, borides, and iron-based chalcogenides and pnictides; Covers synthesis, characterization, and processing of superconducting materials, as well as the nanoengineering approach to tailor the properties of the used materials at the nanoscale level.
Book Synopsis Flux Pinning in YBCO Superconductor by : David Bostonian Jan
Download or read book Flux Pinning in YBCO Superconductor written by David Bostonian Jan and published by . This book was released on 2002 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flux Pinning in Superconductors by : Teruo Matsushita
Download or read book Flux Pinning in Superconductors written by Teruo Matsushita and published by Springer. This book was released on 2014-03-06 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 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 readers will learn why the resultant loss is of hysteresis type in spite of such mechanism. 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. Other topics are: singularity in the case of transport current in a parallel magnetic field such as deviation from the Josephson relation, reversible flux motion inside pinning potentials which causes deviation from the critical state model prediction, the concept of the minimization of energy dissipation in the flux pinning phenomena which gives the basis for the critical state model, etc. Significant reduction in the AC loss in AC wires with very fine filaments originates from the reversible flux motion which is dominant in the two-dimensional pinning. The concept of minimum energy dissipation explains also the behavior of flux bundle size which determines the irreversibility line under the flux creep. The new edition has been thoroughly updated, with new sections on the progress in enhancing the critical current density in high temperature superconductors by introduction of artificial pinning centers, the effect of packing density on the critical current density and irreversibility field in MgB2 and derivation of the force-balance equation from the minimization of the free energy including the pinning energy.
Book Synopsis Thin Film Metal-Oxides by : Shriram Ramanathan
Download or read book Thin Film Metal-Oxides written by Shriram Ramanathan and published by Springer Science & Business Media. This book was released on 2009-12-03 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thin Film Metal-Oxides provides a representative account of the fundamental structure-property relations in oxide thin films. Functional properties of thin film oxides are discussed in the context of applications in emerging electronics and renewable energy technologies. Readers will find a detailed description of deposition and characterization of metal oxide thin films, theoretical treatment of select properties and their functional performance in solid state devices, from leading researchers. Scientists and engineers involved with oxide semiconductors, electronic materials and alternative energy will find Thin Film Metal-Oxides a useful reference.
Book Synopsis State-of-the-Art Materials Science in Belgium 2017 by : Dirk Poelman
Download or read book State-of-the-Art Materials Science in Belgium 2017 written by Dirk Poelman and published by MDPI. This book was released on 2018-10-17 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "State-of-the-Art Materials Science in Belgium 2017" that was published in Materials
Book Synopsis Advances and Applications in Electroceramics by : K. M. Nair
Download or read book Advances and Applications in Electroceramics written by K. M. Nair and published by John Wiley & Sons. This book was released on 2011-07-12 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains 26 papers from the Magnetoelectric Multiferroic Thin Films and Multilayers; Dielectric Ceramic Materials and Electronic Devices; Recent Developments in High-Temperature Superconductivity; and Multifunctional Oxides symposia held during the 2010 Materials Science and Technology (MS&T'10) meeting, October 17-21, 2010, Houston, Texas. Topics include: Properties; Structures; Synthesis; Characterization; Device Applications; Multiferroics and Magnetoelectrics; YBCO Pinning Methods and Properties; YBCO Processing and Reliability Related Issues; New Superconductors and MgB2.
Book Synopsis AC Losses in High-Temperature Superconductor Tapes and Cables for Power Applications by : Godfrin, Aurélien
Download or read book AC Losses in High-Temperature Superconductor Tapes and Cables for Power Applications written by Godfrin, Aurélien and published by KIT Scientific Publishing. This book was released on 2022-05-10 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work focuses on two topics. The first is the investigation of producing filaments on copper-stabilized coated conductors, with striations made after or before electroplating the tape. The second topic is the applicability of the striations for reducing the AC losses of cables, in particular the CORC® and RACC cables, which are made with high-temperature superconductor (HTS) striated tapes.
Book Synopsis Global Roadmap for Ceramic and Glass Technology by : Stephen W. Freiman
Download or read book Global Roadmap for Ceramic and Glass Technology written by Stephen W. Freiman and published by John Wiley & Sons. This book was released on 2007-06-29 with total page 964 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the only global roadmap that identifies the technical and manufacturing challenges associated with the development and expansion of commercial markets for ceramics and glass. Featuring presentations by industry leaders at the 1st International Congress on Ceramics (ICC) held in 2006, it suggests positive, proactive ways to address these challenges. The ICC Global Roadmap contains the following content: 1) Summary papers prepared by the invited speakers before the meeting 2) A detailed account of the presentation of each invited speaker written by an editor who attends the presentation 3) A summary account and future recommendations for the industry on each topic covered written by the board and the president of this meeting, Dr. Stephen Freiman (National Institutes of Standards and Technology) 4) The CDRom accompanying the book contains all of the above as well as pdfs of the presentations for non-invited speakers, including posters presented and discussed.
Book Synopsis Materials For Sustainable Energy: A Collection Of Peer-reviewed Research And Review Articles From Nature Publishing Group by : Vincent Dusastre
Download or read book Materials For Sustainable Energy: A Collection Of Peer-reviewed Research And Review Articles From Nature Publishing Group written by Vincent Dusastre and published by World Scientific. This book was released on 2010-10-05 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: The search for cleaner, cheaper, smaller and more efficient energy technologies has to a large extent been motivated by the development of new materials. The aim of this collection of articles is therefore to focus on what materials-based solutions can offer and show how the rational design and improvement of their physical and chemical properties can lead to energy-production alternatives that have the potential to compete with existing technologies. In terms of alternative means to generate electricity that utilize renewable energy sources, the most dramatic breakthroughs for both mobile (i.e., transportation) and stationary applications are taking place in the fields of solar and fuel cells. And from an energy-storage perspective, exciting developments can be seen emerging from the fields of rechargeable batteries and hydrogen storage.
Book Synopsis Flux Pinning in Superconducting Thin Films of Y1Ba2Cu3O7-x by : Martin George Young
Download or read book Flux Pinning in Superconducting Thin Films of Y1Ba2Cu3O7-x written by Martin George Young and published by . This book was released on 1988 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Atomic-scale Characterization of Embedded and Supported Nanostructures by Scanning Transmission Electron Microscopy by : Volkan Ortalan
Download or read book Atomic-scale Characterization of Embedded and Supported Nanostructures by Scanning Transmission Electron Microscopy written by Volkan Ortalan and published by . This book was released on 2010 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
