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Superconductors: more books (100)

Lectures on the Physics of Highly Correlated Electron Systems VII: Seventh Training Course in the Physics of Correlated Electron Systems and High-Tc Superconductors ... (AIP Conference Proceedings) (Pt. 7)
Copper Oxide Superconductors by Charles P. Poole Jr., Timir Datta, et all 1988-11-11
The Physics and Chemistry of Oxide Superconductors: Proceedings of the Second ISSP International Symposium, Tokyo, Japan, January 16-18, 1991 (Springer Proceedings in Physics)
Ceramic Superconductors: Proceedings of the XI Winter Meeting on Low Temperature Physics 14-17 January 1990, Cocoyoc, Morelos, Mexico (Progress in High Temperature Superconductivity) by Mexico) Winter Meeting on Low Temperature Physics 1990 (Cocoyoc, E. Sansores, et all 1991-01
Thin Film Processing:Hi-Tc Superconductors.AVS Series 3 (AIP Conference Proceedings)
HTS Thin Film And More on Vortex Studies (Studies of High Temperature Superconductors)
Inhomogeneous Superconductors: Granular and Quantum Effects (International Series of Monographs on Physics) by Eugen Simánek, 1994-09-08
Physics and Materials Science of High Temperature Superconductors (NATO Science Series E: (closed))
Electrodynamics of High Temperature Superconductors (Lecture Notes in Physics) (Vol. 48) by Alan M. Portis, 1993-03
Studies in High Temperature Superconductors Golden Jubilee: Golden Jubilee Volume (Studies of High Temperature Superconductors)
Organic Superconductors (Including Fullerenes : Synthesis, Structure, Properties, and Theory) by Jack M. Williams, John R. Ferraro, 1991-09
Superconductor/Semiconductor Junctions (Springer Tracts in Modern Physics) by Thomas Schäpers, 2010-11-02
Superconductors: Conquering Technology's New Frontier by Randy Simon, Andrew Smith, 1988-09
Physical Properties of High Temperature Superconductors III (v. 3)

lists with details

Saturday Science Subject: Room-temperature Superconductors - The Tech Report
From quantum computers to magnets in the Large Hadron Collider, superconductors have many uses, but they typically need to be cooled at temperatures near
http://techreport.com/discussions.x/14400

Extractions: by Cyril Kowaliski From quantum computers to magnets in the Large Hadron Collider , superconductors have many uses, but they typically need to be cooled at temperatures near absolute zero to achieve their superconductive state. However, according to EE Times, a team of Canadian and German researchers say they've managed to develop a superconductive material that could operate at room temperature . Rather than supercooling the material, the researchers were able to "super-compress" it. EE Times explains: The new family of superconductors are based on a hydrogen compound called "silane," which is the silicon analog of methanecombining a single silicon atom with four hydrogen atoms to form a molecular hydride. (Methane is a single carbon atom with four hydrogens). Researchers have speculated for years that hydrogen under enough pressure would superconduct at room temperature, but have been unable to achieve the necessary conditions (hydrogen is the most difficult element to compress). The Canadian and German researchers attributed their success to adding hydrogen to a compound with silicon that reduced the amount of compression needed to achieve superconductivity. Tags: Miscellaneous Valve laughs off PC gaming doomsday predictions Poll: Do you play games on your PC?
Scientists Crack Room Temperature Superconductors - Vnunet.com
superconductors pass electrical current with no loss to resistance and are currently possible in materials that have been cooled to below 150 centigrade.
http://www.vnunet.com/vnunet/news/2212538/scientists-crack-room
Are High-temperature Superconductors Exotic? : Abstract : Nature Physics
From the start, these materials have been viewed as exotic superconductors, for which the term exotic can take on many meanings.
http://www.nature.com/nphys/journal/v2/n3/abs/nphys248.html

Extractions: doi Subject Category: Condensed-matter physics D. A. Bonn High-temperature superconductivity in the copper oxides, first discovered twenty years ago, has led researchers on a wide-ranging quest to understand and use this new state of matter. From the start, these materials have been viewed as 'exotic' superconductors, for which the term exotic can take on many meanings. The breadth of work that has taken place reflects the fact that they have turned out to be exotic in almost every way imaginable. They exhibit new states of matter ( d -wave superconductivity, charge stripes), dramatic manifestations of fluctuating superconductivity, plus a key inspiration and testing ground for new experimental and theoretical techniques. Top of page Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, V6T 1Z1, Canada Correspondence to: D. A. Bonn e-mail:
Howstuffworks "What Is Superconductivity?"
The floating magnet induces a current, and therefore a magnetic field, in the superconductor, and the two magnetic fields repel to levitate the magnet.
http://www.howstuffworks.com/question610.htm

Extractions: Superconductivity is a phenomenon observed in several metals and ceramic materials. When these materials are cooled to temperatures ranging from near absolute zero (-459 degrees Fahrenheit, degrees Kelvin, -273 degrees Celsius) to liquid nitrogen temperatures (-321 F, 77 K, -196 C), they have no electrical resistance. The temperature at which electrical resistance is zero is called the critical temperature T c ) and varies with the individual material. For practical purposes, critical temperatures are achieved by cooling materials with either liquid helium or liquid nitrogen. The following table shows the critical temperatures of various superconductors: Material Type T c (K) Zinc metal Aluminum metal Tin metal Mercury metal YBa Cu O ceramic TlBaCaCuO ceramic Because these materials have no electrical resistance, meaning electrons can travel through them freely, they can carry large amounts of electrical current for long periods of time without losing energy as heat. Superconducting loops of wire have been shown to carry electrical currents for several years with no measurable loss. This property has implications for
Get Wired For Superconductivity | Physical Review Focus
Experiments with the wires strongly suggest that the compound is an exotic superconductor whose properties can t be explained by the standard theory of
http://focus.aps.org/story/v14/st9

Extractions: @import "/files/css/efc6c1e68c820f4ef3dd2d5cfb7ae405.css"; @import "/sites/default/themes/focus/page-node.css"; Previous Story Next Story Volume 14 archive Phys. Rev. B (issue of August 2004) Title and Authors P. Adams/LSU Live wires. These 7-micron-thick wires carry current without resistance and have an unprecedented combination of strength and light weight. A research team has created a new type of superconducting wire that not only carries a high electric current without resistance but also is remarkably strong, light, thin, and long. As the team reports in the August Physical Review B , the wires are made from an unusual magnesium-carbon-nickel compound layered around a carbon fiber. Experiments with the wires strongly suggest that the compound is an "exotic" superconductor whose properties can't be explained by the standard theory of superconductivity. Improved versions of the wires could be used in the electromagnets needed in a new class of spacecraft propulsion systems. The explanation for superconductivity in standard materials such as niobium and lead has been in textbooks for decades, but unconventional superconductorsknown as exoticsremain mysterious. Some researchers believe that the recently discovered superconductor MgCNi
08.16.2004 - Vibrations In Crystal Lattice Plays Big Role In High Temperature Su
A ceramic high temperature superconductor is actually a very poor metal, almost an insulator, at room temperature because electrons interact only slightly
http://www.berkeley.edu/news/media/releases/2004/08/16_Lanzara.shtml

Extractions: Grad student makes 'Jeopardy!' history Five Berkeley scientists named HHMI investigators Job outlook for grads sunnier than expected ... Turbulent Jupiter Sneak peek: Check out the new UC Berkeley website Select one All stories by date economics Campus news Education Environment Events at Berkeley International affairs People public policy Science Social science Students engineering A ceramic high temperature superconductor is actually a very poor metal, almost an insulator, at room temperature because electrons interact only slightly with the solid lattice (top), as represented by a slight depression in the crystal lattice. As the ceramic is cooled below a critical temperature, however, electrons pair up and are able to 'dance' with the vibrating lattice, stabilizing one another, as represented by a deep impression in the lattice. (Graphic by Gey-Hong Gweon/LBNL)
Introduction To Superconductors
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http://www.futurescience.com/scintro.html

Extractions: Superconductivity was discovered in 1911 by Heike Kamerlingh Onnes, the Dutch physicist known for his research into phenomona at extremely low temperature. In 1908, Onnes had become the first person to liquify helium. He was investigating the electrical properties of various substances at liquid helium temperature (4.2 degrees Kelvin) when he noticed that the resistivity of mercury dropped abruptly at 4.2 K to a value below the resolution of his instruments. In 1933, W. Meissner and R. Oschenfeld discovered that a metal cooled into the superconducting state in a weak magnetic field expels the magnetic field from its interior. In 1945, the Russian physicist V. Arkadiev first performed the now-classic experiment of using this expulsion of a magnetic field to levitate a small bar magnet above the surface of a superconductor. Advances in superconductivity continued to proceed slowly. During the first 75 years of superconductivity research, the critical temperature (the temperature below which superconductivity is present) was raised by less than 20 degrees . In 1973, a niobium alloy was produced with a critical temperature of 23.2 K. This is still the highest temperature for a metallic superconductor.
American Superconductor
AMSC s High Temperature Superconductor (HTS) wire offers high power density and high efficiency compared to conventional copper wire, opening up a broad
http://www.amsc.com/products/htswire/2GWireTechnology.html

Extractions: ABOUT AMSC INVESTORS NEWS ROOM CAREERS ... Power Quality AMSC's High Temperature Superconductor (HTS) wire offers high power density and high efficiency compared to conventional copper wire, opening up a broad range of applications in the military and commercial sectors. Military applications include ship propulsion motors, air-borne generators and magnets for microwave power sources, while commercial applications include power transmission cables, electric motors and generators, transformers, synchronous condensers and fault current limiters. HTS manufacturing plant located in Devens, Massachusetts. By optimizing the electrical and mechanical properties of HTS wire, AMSC is able to customize its wire products to suit a broad range of HTS applications. Today, AMSC's 2G HTS wire manufacturing technology is based on 100 meter-long, 4-cm wide strips of superconductor material that are produced in a high-speed, continuous reel-to-reel deposition process a process that is similar to the low-cost production of motion picture film in which celluloid strips are coated with a liquid emulsion and subsequently slit and laminated into eight, industry-standard 0.44-cm-wide tape-shaped wires. The wires are laminated on both sides with copper or stainless-steel metals to provide strength, durability and certain electrical characteristics needed in applications. These new three-ply, 4.4 mm wide second generation HTS wires are called 344 superconductors.
Maglev 2000
There is no resistive heating, and if the superconductor forms a closed circuit, In this new state, the electrons can travel through the superconductor
http://www.maglev2000.com/works/how-07.html

Extractions: Superconductors history Certain materials, when cooled below their transition temperatures, become superconducting - that is, electrical currents travel in them with zero resistance. There is no resistive heating, and if the superconductor forms a closed circuit, the current will continue to flow forever, without any voltage drop or decrease in magnitude. In this mode, superconductor circuits can serve as powerful, lightweight permanent magnets. A detailed description of the physics of superconductivity is complex, and beyond the scope of this summary. Basically, at sufficiently low temperatures, the conducting electrons drop down to an energy level below their normal state. In this new state, the electrons can travel through the superconductor without colliding with, and losing energy to, its atomic matrix. Because they lose no energy, they can travel forever through the conductor, needing no voltage input. Superconductivity was discovered in 1911 by Kamerlingh Ohnes, the first person to liquefy helium. Since then, there has been a continued rise in superconductor transition temperatures. High transition temperatures are desirable, because the amount of electric power input to the refrigerator that keeps the superconductor at low temperature decreases as transition temperature increases. For example, at 4.2 degrees Kelvin, the normal boiling point of liquid helium, to keep the superconductor cold, approximately 500 watts of electrical power is consumed by the 4.2 K refrigerator to remove one watt of thermal heat that leaks in through the surrounding insulation. (4.2 degrees Kelvin is equivalent to minus 459 degrees Fahrenheit - a very cold place indeed.)

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