iron-based layered superconductor

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• Iron-based superconductor — Iron based superconductors (sometimes misleadingly called Iron superconductors) are (in 2008) in the first stages of experimentation and implementation. Previously most high temperature superconductors were cuprates and were therefore based on… …   Wikipedia

• Unconventional superconductor — Unconventional superconductors are materials that display superconductivity but that do not conform to BCS theory and Nikolay Bogolyubov theory or its extensions.The first unconventional triplet superconductor, organic material (TMTSF)2PF6,was… …   Wikipedia

• High-temperature superconductivity — Unsolved problems in physics What causes superconductivity at temperatures above 50 kelvin? High temperature superconductors (abbreviated high Tc or HTS) are materials that have a superconducting transition temperature (Tc) above 30 K… …   Wikipedia

• Oxypnictide — In chemistry, oxypnictides are a class of materials including oxygen, a pnictogen (group V, especially phosphorus and arsenic) and one or more other elements. Although this group of compounds has been recognized since 1995,[1] interest in these… …   Wikipedia

• Supraconductivité — Aimant en lévitation magnétique au dessus d un supraconducteur à haute température critique. L expulsion du champ magnétique du matériau supraconducteur (effet Meissner) est responsable de cet effet de lévitation. La supraconductivité (ou… …   Wikipédia en Français

• Superconductivity — is a phenomenon occurring in certain materials generally at very 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 …   Wikipedia

• Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …   Universalium

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

• Niobium — zirconium ← niobium → molybdenum V ↑ Nb ↓ Ta …   Wikipedia

• List of fictional elements, materials, isotopes and atomic particles — This list contains chemical elements, materials, isotopes or (sub)atomic particle that exist primarily in works of fiction (usually fantasy or science fiction). No actual periodic elements end in ite , though many minerals have names with this… …   Wikipedia

• Nobel Prizes — ▪ 2009 Introduction Prize for Peace       The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …   Universalium