Conventional superconductor

Conventional superconductor

Conventional superconductors are materials that display superconductivity as described by BCS theory or its extensions.(cf. Unconventional superconductor)

Critical temperatures of some simple metals:

Element Tc (K)
Al 1.20
Hg 4.15
Mo 0.92
Nb 9.26
Pb 7.19
Ta 4.48
Ti 0.39
V 5.30
Zn 0.88

Niobium and vanadium are type-II superconductors, while most other superconducting elements are type-I materials. Almost all compound and alloy superconductors are type-II materials.

The most commonly used conventional superconductor in applications is a niobium-titanium alloy - this is a type-II superconductor with a Tc of 11 K.

The highest critical temperature so far achieved in a conventional superconductor was 39 K (-234 °C) in magnesium diboride.


Wikimedia Foundation. 2010.

Игры ⚽ Нужна курсовая?

Look at other dictionaries:

  • Superconductor classification — Superconductors can be classified in accordance with several criteria that depend on our interest in their physical properties, on the understanding we have about them, on how expensive is cooling them or on the material they are made of. By… …   Wikipedia

  • Superconductor Insulator Transition — The Superconductor Insulator Transition is an example of a quantum phase transition, where upon tuning some parameter in the Hamiltonian, a dramatic change in the behavior of the electrons occurs. The nature of how this transition occurs is… …   Wikipedia

  • Covalent superconductor — Covalent semiconductors are such solids as diamond, silicon, germanium, silicon carbide and silicon germanium where atoms are linked by covalent bonds. Most of those materials, at least in their bulk form, are well studied and rarely hit the… …   Wikipedia

  • Classical superconductor — The phrase classical superconductor has two meanings depending on context. In the context of classical electrodynamics or general physics: a perfect conductor with no special quantum mechanical properties. No such substances are known to exist,… …   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

  • 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

  • Ferromagnetic superconductor — Ferromagnetic superconductors are materials that display intrinsic coexistence of ferromagnetism and superconductivity. To this date, ferromagnetic superconductivity has been experimentally observed in UGe 2… …   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

  • 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

  • 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

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”