61. Superconductivity - Definition From The Merriam-Webster Online Dictionary Definition of superconductivity from the MerriamWebster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. http://www.merriam-webster.com/dictionary/superconductivity

Home Visit Our Sites Unabridged Dictionary Learner's Dictionary ... Contact Us Also Visit: Unabridged Encyclopedia Britannica Visual ESL: Learner's for Kids: Spell It! Word Central Dictionary Thesaurus Spanish/English Medical Search "superconductivity" in: Thesaurus Spanish/English Medical Dictionary Open Dictionary Browse words next to: superconductivity Browse the Dictionary: A B C D ... Z superconductivity One entry found. superconductivity Main Entry: Pronunciation: kän- Function: noun Date:  a complete disappearance of electrical resistance in a substance especially at very low temperatures noun Learn more about "superconductivity" and related topics at Britannica.com Pronunciation Symbols Products Premium Services ... Advertising Info

62. Superconductivity 2.6.4 superconductivity is characterised by the complete loss of electrical resistance below some finite temperature, Tc, which is a characteristic of the http://www.kayelaby.npl.co.uk/general_physics/2_6/2_6_4.html

Home About Table of Contents Advanced Search ... Privacy You are here: Chapter: 2 General physics Section: 2.6 Electricity and magnetism SubSection: 2.6.4 Superconductivity 2.6.4 Superconductivity Superconducting properties of materials Superconductivity is characterised by the complete loss of electrical resistance below some finite temperature, T c , which is a characteristic of the material used. The phenomenon is rather common: one quarter of the elements become superconducting, as well as several thousand different alloys and compounds. T c values vary from 0K to, at the time of writing, 160K. Above T c superconductors exhibit ohmic conductivity, much as for a normal metal. At and below T c , in the absence of a magnetic field, the low frequency resistivity falls to zero. Superconductivity can be destroyed by the application of a magnetic field which exceeds a critical value H c T ), a decreasing function of temperature T , which reaches zero at T T c The critical fields of superconductors at T = vary widely, having rather low values for pure elemental superconductors (typically 10 mT) but attaining very high values, of order 100 T, for the new high temperature ceramic materials (see below).

63. Power Applications Of Superconductivity In Japan And Germany Web book. Table of contents links to parts of chapters, writer information. http://www.wtec.org/loyola/scpa/toc.htm

WTEC Panel Report on Power Applications of Superconductivity in Japan and Germany David Larbalestier , Panel Chair Richard D. Blaugher Robert E. Schwall Robert S. Sokolowski Masaki Suenaga ... Jeffrey O. Willis September 1997 TABLE OF CONTENTS Download: Complete report in PDF format Staff Foreword List of Figures List of Tables Executive Summary 1. Introduction David Larbalestier The Vision of a New 21 st Century Technology: Power Applications of Superconductivity The WTEC Panel ... References 2. Power Systems, Generation, and Storage Richard D. Blaugher Introduction Early High-Field Magnets and Energy Storage Superconducting Electric Power Applications AC Rotating Machine Efforts in Japan ... References Robert S. Sokolowski Introduction Superconducting Power Transmission Cables Overview HTS Power Transmission Cables - Overview HTS Power Transmission Cable Development in Japan ... References 4. Power Systems Other Applications Robert Schwall What are "Other Applications" Flywheels Fault-Current Limiters HTS Leads ... References 5. HTS Conductor Technology Jeffrey O. Willis

64. Superconductivity : PHYSICS OF CONDUCTORS AND INSULATORS It must be understood that superconductivity is not merely an extrapolation of most conductors tendency to gradually lose resistance with decreasing http://www.allaboutcircuits.com/vol_1/chpt_12/7.html

Hilite.elementid = "main"; All About Circuits Volume I - DC Volume II - AC Volume III - Semiconductors ... Sitemap Search this site Table of Contents: Introduction Conductor size Conductor ampacity Fuses ... PDF var addthis_pub = 'GFYGCMPH6Z132X8G'; Volume I - DC PHYSICS OF CONDUCTORS AND INSULATORS Superconductivity Conductors lose all of their electrical resistance when cooled to super-low temperatures (near absolute zero, about -273 o Celsius). It must be understood that superconductivity is not merely an extrapolation of most conductors' tendency to gradually lose resistance with decreasing temperature; rather, it is a sudden, quantum leap in resistivity from finite to nothing. A superconducting material has absolutely zero electrical resistance, not just some small amount Superconductivity was first discovered by H. Kamerlingh Onnes at the University of Leiden, Netherlands in 1911. Just three years earlier, in 1908, Onnes had developed a method of liquefying helium gas, which provided a medium with which to supercool experimental objects to just a few degrees above absolute zero. Deciding to investigate changes in electrical resistance of mercury when cooled to this low of a temperature, he discovered that its resistance dropped to nothing just below the boiling point of helium.

65. Superconductivity Authors/titles Recent Submissions Title The Optimal Inhomogeneity for superconductivity Finite Size Studies Title Properties of superconductivity on the density wave background with http://aps.arxiv.org/list/cond-mat.supr-con/recent

aps.arXiv.org cond-mat cond-mat.supr-con Search or Article-id Help Advanced search All papers Titles Authors Abstracts Full text Superconductivity Authors and titles for recent submissions Mon, 31 Mar 2008 Fri, 28 Mar 2008 Thu, 27 Mar 2008 Wed, 26 Mar 2008 ... Tue, 25 Mar 2008 [ total of 26 entries: [ showing 25 entries per page: fewer more all Mon, 31 Mar 2008 arXiv:0803.4059 ps pdf other Title: Effects of chemical pressure on the Fermi surface and band dispersion in the electron-doped high-Tc superconductors Authors: M. Ikeda T. Yoshida A. Fujimori M. Kubota ... H. Takagi Comments: 4 pages, 4 figures Subjects: Superconductivity (cond-mat.supr-con) arXiv:0803.4052 ps pdf other Title: Universal Thermodynamics and Chandrasekhar-Clogston Limit of a Unitary Fermi Gas Authors: Lianyi He Pengfei Zhuang Comments: 4 pages Subjects: Superconductivity (cond-mat.supr-con) arXiv:0803.4041 pdf Title: CuO chain statistics, charge transfer and Tc(x) dependence in YBa2Cu3O6+x, Y0.9(Ca)0.1Ba2Cu3O6+x, and Y0.8(Ca)0.2Ba2Cu3O6+x Authors: V. M. Matic Comments: 10 pages, 2 figures Subjects: Superconductivity (cond-mat.supr-con)

66. Access : : Nature The idea of superconductivity without the mediating role of lattice vibrations (phonons) has a long history. It was realized soon after the publication of http://www.nature.com/uidfinder/10.1038/nature06480

Jump to main content Jump to navigation nature.com homepage ... Login Search This journal All of Nature.com Advanced search Access To read this story in full you will need to login or make a payment (see right). nature.com Journal home Table of Contents Review Nature doi Article Links Figures and tables See Also Editor's Summary Article Tools Send to a friend Export citation Export references Rights and permissions ... Bookmark in Connotea Search Pubmed for P. Monthoux D. Pines G. G. Lonzarich Superconductivity without phonons P. Monthoux , D. Pines Top of page Abstract To read this story in full you will need to login or make a payment (see right). MORE ARTICLES LIKE THIS These links to content published by NPG are automatically generated. NEWS AND VIEWS Superconductivity An analogue of superfluid 3 He Nature News and Views (17 Dec 1998) Superconductivity Iron cast in exotic role Nature News and Views (19 Jul 2001) See all 18 matches for News And Views RESEARCH Superconductivity on the border of itinerant-electron ferromagnetism in UGe 2 Nature Article (10 Aug 2000) Magnetically mediated superconductivity in heavy fermion compounds Nature Article (02 Jul 1998) See all 49 matches for Research I am already a personal subscriber Personal subscribers to Nature can view this article. To do this, you need to associate your subscription with your registration via the

67. Novel Aspects Of Superconductivity Physicists meet at the Aspen Center for Physics, August 2007 to discuss current developments in superconductivity research. This site hosts discussion and http://novelsc.blogspot.com/

Novel Aspects of Superconductivity Physicists meet at the Aspen Center for Physics, August 2007 to discuss current developments in superconductivity research. This site hosts discussion and ideas connected with this workshop. Most weeks will involve a Tuesday morning presentation of recent experimental work, and a Thursday morning blackboard session for more free-form discussion. We encourage comment on the entries of this blog. Saturday, September 1, 2007 Condluding Discussion: What did we learn, and where do we go from here? Posted by Dirk Morr at 1:15 PM 0 comments Older Posts Subscribe to: Posts (Atom) Schedule Week 5 Tuesday 28 Aug Experimental Discussion and informal talks Flug Auditorium 10.30am -1pm 1) J. Mydosh: "Nernst Effect in NdBa2(Cu_1-y Ni_y)3 O_7-d" 2) C. Castellani: "Superconductivity near a multiband Mott Insulator" 3) D. Belitz: "Skyrmion flux lattices" 4) Z. Tesanovic: "d-wave duality and its reflections in cuprates" 5) D. Morr: "Impurities, collective modes, and magnetic droplets in the cuprate superconductors" Wednesday 29 Aug Patio Discussion 10:30am -1pm 1) B. Marston:

68. Oxford Instruments: NanoScience -ultra Low Temperature And High Magnetic Field The business has a strong capability in advanced cryogenics and applied superconductivity. Through the application of these technologies we deliver http://www.oxinst.com/SCNCHP1.htm

Oxford Instruments specialises in the design, manufacture and support of innovative solutions, tools and systems for the emerging nanotechnology markets in areas such as XRF (X-ray Fluorescence) analysers , microanalysis systems, superconducting wires, NMR (nuclear magnetic resonance) magnets, cryogenic systems, plasma etch and deposition low temperature environments and coating thickness measurement. Search Go Chinese English Russian Japanese Home Our Business Products Contacts ... Careers Please click here if you would like additional information Cryofree dilution refrigerator-TritonDR Unique dilution refrigerator design enabling 50mK without the need for Cryogen, pumping systems or gas handling systems. More » Sponsored Science Prizes View the winners of the 2007 science awards. Stay up-to-date Signup for regular emails to stay up-to-date with our latest news, products and events. Name: Email: Country: PRIVACY NOTICE: Your email will never be sold or traded. Print This Page NanoScience - Cryogenics for Physical Science Research Creating high performance cryogenic and cryogen free environments for ultra low temperature and high magnetic field applications in physical science research and process development down to the atomic scale.

69. Phys. Rev. 108 (1957): J. Bardeen, L. N. Cooper, And J. R. Schrieffer - Theory O A theory of superconductivity is presented, based on the fact that the . I. INTRODUCTION THE main facts which a theory of superconductivity must explain http://link.aps.org/doi/10.1103/PhysRev.108.1175

Physical Review Online Archive Physical Review Online Archive AMERICAN PHYSICAL SOCIETY Home Browse Search Members ... Help Abstract/title Author: Full Record: Full Text: Title: Abstract: Cited Author: Collaboration: Affiliation: PACS: Phys. Rev. Lett. Phys. Rev. A Phys. Rev. B Phys. Rev. C Phys. Rev. D Phys. Rev. E Phys. Rev. ST AB Phys. Rev. ST PER Rev. Mod. Phys. Phys. Rev. (Series I) Phys. Rev. Volume: Page/Article: Phys. Rev. 108, 1175 - 1204 (1957) Previous article Next article Issue 5 View Page Images or PDF (4846 kB) Export Citation: BibTeX EndNote (RIS) Theory of Superconductivity J. Bardeen L. N. Cooper , and J. R. Schrieffer Department of Physics, University of Illinois, Urbana, Illinois Received 8 July 1957 A theory of superconductivity is presented, based on the fact that the interaction between electrons resulting from virtual exchange of phonons is attractive when the energy difference between the electrons states involved is less than the phonon energy, ℏω. It is favorable to form a superconducting phase when this attractive interaction dominates the repulsive screened Coulomb interaction. The normal phase is described by the Bloch individual-particle model. The ground state of a superconductor, formed from a linear combination of normal state configurations in which electrons are virtually excited in pairs of opposite spin and momentum, is lower in energy than the normal state by amount proportional to an average (ℏω) , consistent with the isotope effect. A mutually orthogonal set of excited states in one-to-one correspondence with those of the normal phase is obtained by specifying occupation of certain Bloch states and by using the rest to form a linear combination of virtual pair configurations. The theory yields a second-order phase transition and a Meissner effect in the form suggested by Pippard. Calculated values of specific heats and penetration depths and their temperature variation are in good agreement with experiment. There is an energy gap for individual-particle excitations which decreases from about 3.5

70. BBC NEWS | Technology | The 'new Age' Of Super Materials The breakthroughs in superconductivity bring us to the threshold of a new age, said the president. It s our task to herald in that new age with a rush. http://news.bbc.co.uk/2/hi/technology/6412057.stm

@import "/css/screen/shared/styles.css?v1"; @import '/css/screen/shared/toolbar_ifs.css'; @import "/css/screen/nol/styles.css?v4"; @import "/css/screen/nol/furniture.css"; @import "/css/screen/nol/promo.css"; @import "/css/screen/nol/programmes.css?v3"; @import "/css/screen/nol/business.css"; @import "/css/screen/nol/ifs.css"; @import "/css/screen/nol/in_pictures.css"; @import "/css/screen/shared/emp.css?v1"; Home News Sport Radio ... Accessibility help One-Minute World News News services Your news when you want it News Front Page Africa Americas Asia-Pacific ... Special Reports RELATED BBC SITES SPORT WEATHER ON THIS DAY EDITORS' BLOG Last Updated: Monday, 5 March 2007, 08:39 GMT E-mail this to a friend Printable version The 'new age' of super materials By Jonathan Fildes Science and technology reporter, BBC News Levitation becomes possible using superconducting materials In 1987, Ronald Reagan declared that the US was about to enter an incredible new era of technology. Levitating high-speed trains, super-efficient power generators and ultra-powerful supercomputers would become commonplace thanks to a new breed of materials known as high temperature superconductors (HTSC).

71. Superconductivity Experiment superconductivity was first noticed when liquid mercury was cooled to liquid Helium temperatures (4.2K) while its resistivity was being plotted. http://www.coolmagnetman.com/magsuper.htm

Experiments with magnets and conductors Superconductors Superconductivity was first noticed when liquid mercury was cooled to liquid Helium temperatures (4.2K) while its resistivity was being plotted. While approaching that temperature, the resistance was coming down linearly, when all of a sudden it dropped to zero Ohms! Dutch physicist Heike Kamerlingh Onnes was performing this experiment in 1911. Since that time, other elements and combinations of elements have been shown to posses a superconducting state at various temperatures. This table shows the elements which become superconducting and the temperature at which it happens. Most research has been to find materials which are superconducting at higher temperatures. For example, the ceramics in kits you can buy become superconductors at about -186C. Using liquid nitrogen (LN2) which is at -196C, you can make that ceramic superconducting. What is unique about a superconductor? 1. First, its resistance is really zero Ohms, nothing, nada, all gone! This means that if current were flowing in the material, it would produce no heat whatsoever. 2. Second, it will exclude any magnetic fields that come near it, like a magnetic mirror. If a north pole approaches the superconductor, the magnet will behave as though another magnet, just like itself, is approaching from the other side of the surface of the superconductor. At some distance, the magnet's north pole will start to repel the "other magnet's north pole", which is really a reflection of its own. It doesn't matter if it is a north or south pole, it will act the same way. This is the Meissner effect where a magnet will float, or levitate, above a ceramic of superconducting material.

72. Logos: Superconductivity Team Wins Top Research Prizes superconductivity is the transfer of electric current without any loss. Standard copper conductors transfer electricity and create controlled magnetic http://www.anl.gov/Media_Center/logos22-1/scteam.htm

logos home page Contact the logos editor Argonne home page Feature articles Superconductivity team wins top research prizes Creating stability in a world of unstable electricity distribution Argonne tests, creates fuel cells to power the future Fueling the hydrogen future with Argonne's ceramic membrane Nuclear plants may be clean hydrogen source Argonne Update Stars surrender secrets to supercomputers Electricity controls nanocrystal architecture Superconductivity team wins top research prizes by Rhianna Wisniewski Awards presented in 2003 to three Argonne scientists highlighted the excellence of Argonne's superconductivity program. Distinguished Scientist Alexei Abrikosov shared the Nobel Prize in physics Materials Science Division Director George Crabtree was awarded the Kamerlingh Onnes Prize at the Seventh International Conference on Materials and Mechanisms of Superconductivity and High-Temperature Superconductors in Rio de Janiero, Brazil. Senior scientist and Director of the Materials Theory Institute Valerii Vinokur accepted the John Bardeen Prize at the same conference in Brazil, and won a Humboldt Research Prize.

73. Nanoscale Superconductivity And Magnetism Interfaces Wetting Pulsed fields Laser Spectroscopy Scanning Probe Microscopy Nanoscale superconductivity and Magnetism http://fys.kuleuven.be/vsm/nsm/

Home Introduction Research Personnel ... Links VSM Research groups Pulsed fields Laser Spectroscopy Scanning Probe Microscopy Nanoscale Superconductivity and Magnetism ... Prof. Victor V. Moshchalkov Production: Qinghua Chen Stefan Stroobants URL: http://www.fys.kuleuven.ac.be/vsm/nsm/home.htm

74. Journal Of Superconductivity And Novel Magnetism - Superconductivity, Superf...J Journal of superconductivity and Novel Magnetism Materials. The Journal of superconductivity and Novel Magnetism serves as the international forum for the http://www.springer.com/materials/journal/10948

Please select Africa Asia Australia / Oceania Europe France Germany Italy North America South America Switzerland United Kingdom All Author/Editor Title ISBN/ISSN Series Journals Textbooks Series Landolt-B¶rnstein Select your subdiscipline Microscopy Nanotechnology Polymer Science Special types of Materials Surfaces, Interfaces, Thin Films, Corrosion, Coatings Select a discipline Astronomy Biomedical Sciences Chemistry Computer Science Economics Education Engineering Environmental Sciences Geography Geosciences Humanities Law Life Sciences Linguistics Materials Mathematics Medicine Philosophy Physics Psychology Public Health Social Sciences Statistics Home Materials Journal of Superconductivity and Novel Magnetism Co-Editor: V.Z. Kresin; S.A. Wolf ISSN: 1557-1939 (print version) ISSN: 1557-1947 (electronic version) Journal no. 10948 Springer US Online version available Online First articles available Description Editorial Board Description The Journal of Superconductivity and Novel Magnetism serves as the international forum for the most current research and ideas in these fields. This highly acclaimed journal publishes peer-reviewed original papers, conference proceedings and review articles examining all aspects of the science and technology of superconductivity, including new materials, new mechanisms, basic and technological properties, new phenomena, and small- and large-scale applications. The rapidly expanding field of novel magnetism is also featured in the journal. Coverage focuses on such topics as spintronics, magnetic semiconductors, properties of magnetic multilayers, magnetoresistive materials and structures, magnetic oxides, and more. Novel superconducting and magnetic materials are complex compounds, and the journal publishes articles related to all aspects of their study, such as sample preparation, spectroscopy and transport properties, as well as practical applications.

75. Physics Professor Probes Superconductivity - MIT News Office Oct 3, 2007 Eric Hudson is an expert in scanning tunneling microscopy, which is based on the stunning fact that by generating a voltage between the http://web.mit.edu/newsoffice/2007/superconductivity-tt1003.html

Skip to content massachusetts institute of technology MIT news advanced search ... in the news subscribe podcasts e-news tech talk news releases ... rss feeds services request images submit news promote news media inquiries about us news office info MIT background contact Physics professor probes superconductivity Richard Anthony, Spectrum October 3, 2007 When Eric Hudson was introduced to high-temperature superconductivity as a graduate student, it was still, so to speak, a hot topic. The phenomenon, discovered in the 1980s, reflects the fact that if you develop the right types of compounds, you can create electrical conductors that are completely resistance-free at temperatures well above the threshold for conventional superconductors. "With conventional systems, you get to about 25 degrees Kelvin [-415? F] and then plateau," says Hudson, now the Class of 1958 Assistant Professor of Physics at MIT. "With high-temperature superconductivity, you were suddenly at 90 degrees Kelvin." That figure is well above the mark at which nitrogen gas turns liquid. This meant you could create devices like the high-powered electromagnets used in many MRI scanners without having to use costly liquid helium to cool the magnets' coils to superconducting temperatures. (Helium, which liquefies at a hyper-frigid 4 degrees above absolute zero, is a must for conventional superconducting devices.) More exciting yet, the discovery seemed to signal that room-temperature superconductivity was on its way. This triggered claims that problems like electricity line -lossesthe often-hefty amount of power lost to resistance in electrical transmission networkswould soon -disappear.

76. Superconductivity And Magnetism The discovery of superconductivity in MgB2 at 39K sparked great interest in the fundamental physics and practical applications of this material. http://www.msd.anl.gov/groups/sm/index.html

Materials Science Division Superconductivity and Magnetism MSD Home Overview Groups Highlights ... Personnel Superconductivity and Magnetism Tunneling in Two-Band Superconductor MgB2 The discovery of superconductivity in MgB2 at 39K sparked great interest in the fundamental physics and practical applications of this material. The existence of two gaps in this material is one of the most peculiar features in this binary superconductor. More... Superconductivity and Magnetism Group makes in-depth experimental and theoretical investigations of specific compounds and general issues important for applications and fundamental physics of novel materials. We maintain leading programs in both experiment and theory, with each deriving strong benefit through close mutual cooperation. We have extensive materials characterization facilities including sophisticated probes of the equilibrium and dynamic behavior of materials based on state-of-the-art magneto-transport, magnetization, scanning probe microscopy , and magnetic imaging apparatus. Contact Us Search Page Last Modified: September 09, 2005

77. Superconductivity At Birmingham Superconducting thin films – their science and applications. http://www.superconductivity.bham.ac.uk/

Home Contact What is superconductivity? Public Engagement ... People Superconductivity at Birmingham University Fast Find Site Index Schools / Departments Telephone Directory Email Directory Useful Contacts Frequently Asked Questions Directions / Maps Acronym Directory Vacancies SUPERCONDUCTIVITY AT BIRMINGHAM The award, entitled “Superconducting Thin Films – Their Science and Applications”, is between the Schools of Engineering and Physics and Astronomy. The interdisciplinary research is at the forefront in Europe and centres on the invention, production and application of new superconducting thin film multi-layer materials and devices. See Video - Superconductivity/liquid nitrogen demonstrations. These pages are maintained by Engineering at Birmingham www.eng.bham.ac.uk University home page Site index Engineering home page Undergraduate degrees ... Legal

78. ITP Program On High Temperature Superconductivity High Temperature superconductivity August 1418, 2000 Lunch, ITP Front Patio. RUTHENATE. superconductivity. Session Chair. George Sawatzky (Groningen) http://online.itp.ucsb.edu/online/hightc00/si-conf-sched.html

Home Activities Inside KITP Directory ... UCSB Mar 31, 2008 ITP Program on High Temperature Superconductivity (August 7 - December 15, 2000) Coordinators: C. Kallin, R.B. Laughlin, P. Lee, and D. Scalapino High Tc Program Overview This Week Next Week Seminars Online ... Related Workshops ITP This Week Next Week Directory Information ... Neustars Program High Temperature Superconductivity August 14-18, 2000 Organizers: C. Kallin, R. Laughlin, D. Scalapino and P. Lee SCHEDULE All sessions to be held in ITP Main Seminar Room unless otherwise specified. Monday, August 14, 2000: Time: Speaker: Title: 8:00 am Registration ITP Lobby David Gross Welcome to the ITP [Audio] Catherine Kallin Welcome to the Conference [Audio] QUASIPARTICLES AND VORTICES Session Chair: Kathryn Moler (Stanford Univ.) Seamus Davis (UC Berkeley) Electronic Structure of Impurity States and Vortex Cores in Bi Sr CaCu O ... [Audio] Phuan Ong (Princeton Univ.) Recent Results on Nernst Effect, Vortex Excitations, Thermal Conductivity and Quasiparticle Lifetime [Audio] Refreshment Break ITP Front Patio CONFINEMENT/ DECONFINEMENT Session Chair: Hidetoshi Fukuyama (Univ. Tokyo)

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