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Superconductivity Research Developments
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Book Synopsis Superconductivity Research Developments by : James R. Tobin
Download or read book Superconductivity Research Developments written by James R. Tobin and published by Nova Publishers. This book was released on 2008 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Superconductivity is a phenomenon occurring in certain materials at extremely low temperatures, characterized by exactly zero electrical resistance and the exclusion of the interior magnetic field (the Meissner effect). The electrical resistivity of a metallic conductor decreases gradually as the temperature is lowered. However, in ordinary conductors such as copper and silver, impurities and other defects impose a lower limit. Even near absolute zero a real sample of copper shows a non-zero resistance. The resistance of a superconductor, on the other hand, drops abruptly to zero when the material is cooled below its "critical temperature", typically 20 kelvin or less. An electrical current flowing in a loop of superconducting wire can persist indefinitely with no power source. Like ferromagnetism and atomic spectral lines, superconductivity is a quantum mechanical phenomenon. It cannot be understood simply as the idealisation of "perfect conductivity" in classical physics. Superconductivity occurs in a wide variety of materials, including simple elements like tin and aluminium, various metallic alloys and some heavily-doped semiconductors. Superconductivity does not occur in noble metals like gold and silver, nor in most ferromagnetic metals. In 1986 the discovery of a family of cuprate-perovskite ceramic materials known as high-temperature superconductors, with critical temperatures in excess of 90 kelvin, spurred renewed interest and research in superconductivity for several reasons. As a topic of pure research, these materials represented a new phenomenon not explained by the current theory. And, because the superconducting state persists up to more manageable temperatures, more commercial applications are feasible, especially if materials with even higher critical temperatures could be discovered. This new book presents leading research from around the world in this dynamic field.
Book Synopsis Recent Advances in Superconductivity Research by : Christopher B. Taylor
Download or read book Recent Advances in Superconductivity Research written by Christopher B. Taylor and published by Nova Science Publishers. This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors of this book present current research in the study of superconductivity. Topics discussed in this compilation include the effects of non-magnetic defects in hole doped cuprates; deep cryogenic refrigeration by photons based on the phonon deficit effect in superconductors; superconductivity driven by an anti-polar electric phase in high temperature superconducting materials; superconductive graphite intercalation compounds; a superconducting magnetic field concentrator with nanodimensional branches and slits; magnetic mechanisms of pairing in a strongly correlated electron system of copper oxides; two non-linear mechanisms of correlations between copper carriers in superconductivity and their microscopical descriptions; three dimensionality of the critical state and variational methods for magnetically anisotropic superconductors; theory of multi-band superconductivity; conserving approximation for the self-energy of the t-U-V-J model beyond the Hartree-Fock approximation; and superconductivity as a consequence of an ordering of zero-point oscillations in electron gas.
Book Synopsis Recent Developments in Superconductivity Research by : Barry P. Martins
Download or read book Recent Developments in Superconductivity Research written by Barry P. Martins and published by Nova Publishers. This book was released on 2007 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: Superconductivity is the ability of certain materials to conduct electrical current with no resistance and extremely low losses. High temperature superconductors, such as La2-xSrxCuOx (Tc=40K) and YBa2Cu3O7-x (Tc=90K), were discovered in 1987 and have been actively studied since. In spite of an intense, world-wide, research effort during this time, a complete understanding of the copper oxide (cuprate) materials is still lacking. Many fundamental questions are unanswered, particularly the mechanism by which high-Tc superconductivity occurs. More broadly, the cuprates are in a class of solids with strong electron-electron interactions. An understanding of such "strongly correlated" solids is perhaps the major unsolved problem of condensed matter physics with over ten thousand researchers working on this topic. High-Tc superconductors also have significant potential for applications in technologies ranging from electric power generation and transmission to digital electronics. This ability to carry large amounts of current can be applied to electric power devices such as motors and generators, and to electricity transmission in power lines. For example, superconductors can carry as much as 100 times the amount of electricity of ordinary copper or aluminium wires of the same size. Many universities, research institutes and companies are working to develop high-Tc superconductivity applications and considerable progress has been made. This volume brings together new leading-edge research in the field.
Book Synopsis Leading-edge Superconductivity Research Developments by : Tetsuo Watanabe
Download or read book Leading-edge Superconductivity Research Developments written by Tetsuo Watanabe and published by Nova Publishers. This book was released on 2008 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new book focuses on superconductivity which is the ability of certain materials to conduct electrical current with no resistance and extremely low losses. High temperature superconductors, such as La2-xSrxCuOx (Tc=40K) and YBa2Cu3O7-x (Tc=90K), were discovered in 1987 and have been actively studied since. In spite of an intense, worldwide, research effort during this time, a complete understanding of the copper oxide (cuprate) materials is still lacking.Many fundamental questions are unanswered, particularly the mechanism by which high-Tc superconductivity occurs. More broadly, the cuprates are in a class of solids with strong electron-electron interactions. An understanding of such 'strongly correlated' solids is perhaps the major unsolved problem of condensed matter physics with over ten thousand researchers working on this topic. High-Tc superconductors also have significant potential for applications in technologies ranging from electric power generation and transmission to digital electronics.
Book Synopsis Superconductors at the Nanoscale by : Roger Wördenweber
Download or read book Superconductors at the Nanoscale written by Roger Wördenweber and published by Walter de Gruyter GmbH & Co KG. This book was released on 2017-09-11 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: By covering theory, design, and fabrication of nanostructured superconducting materials, this monograph is an invaluable resource for research and development. Examples are energy saving solutions, healthcare, and communication technologies. Key ingredients are nanopatterned materials which help to improve the superconducting critical parameters and performance of superconducting devices, and lead to novel functionalities. Contents Tutorial on nanostructured superconductors Imaging vortices in superconductors: from the atomic scale to macroscopic distances Probing vortex dynamics on a single vortex level by scanning ac-susceptibility microscopy STM studies of vortex cores in strongly confined nanoscale superconductors Type-1.5 superconductivity Direct visualization of vortex patterns in superconductors with competing vortex-vortex interactions Vortex dynamics in nanofabricated chemical solution deposition high-temperature superconducting films Artificial pinning sites and their applications Vortices at microwave frequencies Physics and operation of superconducting single-photon devices Josephson and charging effect in mesoscopic superconducting devices NanoSQUIDs: Basics & recent advances Bi2Sr2CaCu2O8 intrinsic Josephson junction stacks as emitters of terahertz radiation| Interference phenomena in superconductor-ferromagnet hybrids Spin-orbit interactions, spin currents, and magnetization dynamics in superconductor/ferromagnet hybrids Superconductor/ferromagnet hybrids
Author :United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Energy Research and Development Publisher : ISBN 13 : Total Pages :292 pages Book Rating :4.0/5 ( download)
Book Synopsis Superconductivity by : United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Energy Research and Development
Download or read book Superconductivity written by United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Energy Research and Development and published by . This book was released on 1988 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Energy Research and Development Publisher : ISBN 13 : Total Pages :176 pages Book Rating :4.0/5 ( download)
Book Synopsis High-temperature Superconductivity Technology Transfer by : United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Energy Research and Development
Download or read book High-temperature Superconductivity Technology Transfer written by United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Energy Research and Development and published by . This book was released on 1988 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Superconductivity VII by : Kaoru Yamafuji
Download or read book Advances in Superconductivity VII written by Kaoru Yamafuji and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 1339 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of high-temperature superconductivity has encouraged an inter disciplinary approach to research. It has required significant cooperation and collaboration among researchers, each of whom has brought to it a rich variety of experience from many other fields. Recently, great improvements have been made in the quality of research. The subject has matured and been launched into the next stage through the resonance between science and technology. The current progress of materials processing and engineering in this field is analogous to that previously seen in the development of semiconductors. These include the appearance of materials taking the place of YBa2Cu307 owing to their improved properties (higher critical temperatures and stronger flux pin ning) in which rare earth ions with large radii (La, Nd, Sm) substitute for Y; the development of technology enabling growth control on the nanometer scale; and precise and reproducible measurements that can be used as rigorous tests of theoretical models, which in turn are expected to lead to the develop ment of new devices. For further progress in high-T research, academics and c technologists must pool their knowledge and experience. I hope that this volume will promote that goal by providing the reader with the latest results of high-temperature superconductor research and will stimulate further discussion and collaboration.
Book Synopsis New Developments in Superconductivity Research by : Ross W. Stevens
Download or read book New Developments in Superconductivity Research written by Ross W. Stevens and published by Nova Biomedical Books. This book was released on 2003 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-Tc superconductors have significant potential for applications in technologies ranging from electric power generation and transmission to digital electronics. This ability to carry large amounts of current can be applied to electric power devices such as motors and generators, and to electricity transmission in power lines. For example, superconductors can carry as much as 100 times the amount of electricity of ordinary copper or aluminium wires of the same size. Many universities, research institutes and companies are working to develop high-Tc superconductivity applications and considerable progress has been made. This book presents leading research from around the world in this exciting field.
Download or read book Superconductivity written by P.F. Dahl and published by American Institute of Physics. This book was released on 1992-02 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Blurb & Contents" "Copies of Onnes's or Meissner's lab notebooks--this is the stuff of science. This book is truly a tour de force. I cannot think of a single person working in the area of superconductivity who would not be totally absorbed by it." Materials & Design The first truly comprehensive history of superconductivity, from the first studies in the late 19th century to the present. It delves deeply into a largely undocumented early history, marked by H. Kamerlingh Onnes's first successes with mercury in 1911 and extending to the onset of World War II. Also encompasses materials development of the fifties, the work that culminated in the BCS theory of the early sixties, and the important recent application of ceramic oxides.
Book Synopsis Superconductivity by : Paulette Grant
Download or read book Superconductivity written by Paulette Grant and published by Nova Science Publishers. This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents research on superconductivity. The first chapter discusses the physical properties of two nonmagnetic noncentrosymmetric superconductors, LaRhSi3 and LaIrSi3. Chapter two reviews the SrFe2As2 and FeTe0.8S0.2 compounds, which are perspective for developing new superconducting materials on their basis. The possibility of selective excitation of the nonlinear lattice vibrations in high-temperature superconductors formed from layers or thin films opens the new perspectives in the manipulations and control of quantum field in superconducting phase, which is further discussed in chapter three. Chapter four begins with a detailed derivation of the three coupled integral equations associated with the so-called generalised Bose-Einstein condensation formalism of a many-fermion system. Finally, chapter five proposes a microscopic theory of superconductivity based on the spinfluctuation mechanism of pairing.
Book Synopsis Studies of High Temperature Superconductors by : A. V. Narlikar
Download or read book Studies of High Temperature Superconductors written by A. V. Narlikar and published by Nova Publishers. This book was released on 1993 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Theory Of Superconductivity by : J. Robert Schrieffer
Download or read book Theory Of Superconductivity written by J. Robert Schrieffer and published by CRC Press. This book was released on 2018-03-05 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Theory of Superconductivity is primarily intended to serve as a background for reading the literature in which detailed applications of the microscopic theory of superconductivity are made to specific problems.
Book Synopsis Studies of High-Temperature Superconductors - Advances in Research and Applications by : Anant Narlikar
Download or read book Studies of High-Temperature Superconductors - Advances in Research and Applications written by Anant Narlikar and published by Nova Publishers. This book was released on 2001 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: Studies of High Temperature Superconductors, Volume 36 - The BSCCO System -- II
Book Synopsis Advances in Superconductivity by : J. Deaver
Download or read book Advances in Superconductivity written by J. Deaver and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 527 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Advanced Study Institute on "Advances in Superconductivity" was held at the Ettore Majorana Centre for Scientific Culture in Erice, Sicily, during July 3 to July 15, 1982. This Institute was the third course of the International School of Low Tempera ture Physics, which was established at the Centre in 1977 with the guidance and inspiration of T. Regge and A. Zichichi. The 1982 Course was centered on a topic which brought together fundamental basic research and the most recent promising technological applications. Accordingly, the participants represented a wide spectrum of industrial and government laboratories, as well as universities from various countries. The program of topics and speakers was developed with the advice of the Organizing Committee, composed of H. Frohlich, T. Regge, B. Stritzker, and L. Testardi. This Institute emphasized recent developments in the science and technology of superconductivity. A historical perspective was provided by H. Frohlich, whose lectures recall the earliest discoveries and theoretical attempts to understand superconductivity. Ironically, his early suggestion of the electron-phonon coupling as a key to superconductivity was met with initial widespread skepticism. Later, the development of field theory methods for solid state physics problems, and the evolution of the BCS theory has led to a seemingly unanimous concensus regarding the e1ectron phonon mechanism as the predominant source of superconductivity in known materials. Experimental studies of superconductivity exemplify the strong interplay of science and technology in many ways.
Author :United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Energy Research and Development Publisher : ISBN 13 : Total Pages :130 pages Book Rating :4.F/5 ( download)
Book Synopsis Department of Energy's Superconducting Super Collider Project by : United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Energy Research and Development
Download or read book Department of Energy's Superconducting Super Collider Project written by United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Energy Research and Development and published by . This book was released on 1991 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Superconductivity by : Vladimir Rem Romanovskii
Download or read book Superconductivity written by Vladimir Rem Romanovskii and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents current research from across the globe in the study of superconductivity theory, materials and applications. Topics discussed include tunnelling spectroscopy of novel layered superconductors; stability conditions of high-Tc superconductors; a study of the superconducting phase in metallic superconductors; numerical calculation of trapped magnetic field for bulk superconductors; ion modified high-Tc Josephson junctions and SQUIDS; and vortices in high temperature superconductors.
