superconductivity
41Organic superconductor — In physical chemistry and condensed matter physics, an organic superconductor is an organic compound which exhibits superconductivity at low temperatures. As of 2007 the highest achieved critical temperature for an organic superconductor at… …
42Maxim Chernodub — Born 7 June 1973 (1973 06 07) (age 38) Bogodukhov, Ukraine …
43John Bardeen — Infobox Scientist name = John Bardeen imagesize = 110px caption = John Bardeen birth date = birth date|1908|5|23|df=y birth place = Madison, Wisconsin, USA death date = death date and age|1991|1|30|1908|5|23 death place = Boston, Massachusetts… …
44Meissner effect — Diagram of the Meissner effect. Magnetic field lines, represented as arrows, are excluded from a superconductor when it is below its critical temperature. The Meissner effect is the expulsion of a magnetic field from a superconductor during its… …
45Oxypnictide — 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… …
46Magnesium diboride — Identifiers CAS number …
47Supraconductivité — 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… …
48superfluidity — [so͞o΄pər flo͞o id′ə tē] n. the phenomenon, exhibited by liquid helium at temperatures below 2.18°K, of flowing without friction and having very high thermal conductivity superfluid [so͞opərflo͞o′id] n., adj. * * * See superfluid. * * * Unusual… …
49Cooper pair — In condensed matter physics, a Cooper pair or BCS pair is two electrons (or other fermions) that are bound together at low temperatures in a certain manner first described in 1956 by American physicist Leon Cooper.[1] Cooper showed that an… …
50Yttrium barium copper oxide — IUPAC name barium copper yttrium oxide …
