Superconductivity news

New neutron studies support magnetism's role in superconductors

Physics / Superconductivity

Feb 02, 2010 | 4.3 / 5 (11) | 4 |

(PhysOrg.com) -- Neutron scattering experiments performed at the Department of Energy's Oak Ridge National Laboratory give strong evidence that, if superconductivity is related to a material's magnetic properties, ...

Quantum fluctuations are key in superconductors

Physics / Superconductivity

Jan 08, 2010 | 4.9 / 5 (15) | 88 |

(PhysOrg.com) -- New experiments on a recently discovered class of iron-based superconductors suggest that the ability of their electrons to conduct electricity without resistance is directly connected with the magnetic properties ...

Electronic Liquid Crystal States Discovered in Parent of Iron-Based Superconductor

Physics / Superconductivity

Jan 07, 2010 | 4.8 / 5 (10) | 1 |

(PhysOrg.com) -- Scientists discover evidence for 'electronic liquid crystal' states within the parent compound of one type of iron-based, high-temperature superconductor.

Magnetic Measurements Question Assumptions About High-Tc Superconductors

Physics / Superconductivity

Aug 03, 2009 | 4.7 / 5 (7) | 1

(PhysOrg.com) -- Conquering one of the biggest challenges in the study of high-temperature (high-Tc) superconductors, scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have grown ...

New insights, and a new angle, on high-temperature superconductivity

Physics / Superconductivity

Jun 29, 2009 | 4.9 / 5 (15) | 6

(PhysOrg.com) -- A Princeton-led research team has revealed surprising information about how electron behavior influences the conduction of electricity in a class of high-temperature superconductors. An increased ...

Researchers discovers how strain at grain boundaries suppresses high-temperature superconductivity

Physics / Superconductivity

Jun 17, 2009 | 5 / 5 (4) | 0

Researchers at the National Institute of Standards and Technology (NIST) have discovered that a reduction in mechanical strain at the boundaries of crystal grains can significantly improve the performance ...

Thinnest superconducting metal created

Physics / Superconductivity

Jun 08, 2009 | 4.3 / 5 (8) | 2

A superconducting sheet of lead only two atoms thick, the thinnest superconducting metal layer ever created, has been developed by physicists at The University of Texas at Austin.

New material could help cut future energy losses

Physics / Superconductivity

Mar 19, 2009 | 4 / 5 (4) | 2

Scientists at the University of Liverpool and Durham University have developed a new material to further understanding of how superconductors could be used to transmit electricity to built-up areas and reduce global energy ...

Magnetism Governs Properties of Iron-Based Superconductors

Physics / Superconductivity

Mar 18, 2009 | 3.5 / 5 (6) | 0

(PhysOrg.com) -- Though a year has passed since the discovery of a new family of high-temperature superconductors, a viable explanation for the iron-based materials’ unusual talent remains elusive. But a team ...

Study Yields Surprising New Insight into High-Temp Superconductors

Physics / Superconductivity

Mar 17, 2009 | 4.8 / 5 (16) | 135

(PhysOrg.com) -- Recently, an international group of researchers discovered that the underlying mechanism producing high-temperature superconductivity in a widely studied class of copper-oxygen-based superconductors may be ...

Putting the Pressure on Iron-Based Superconductors

Physics / Superconductivity

Mar 05, 2009 | 4.8 / 5 (9) | 3

(PhysOrg.com) -- Traditionally, magnetism and superconductivity don't mix. For more than 20 years, the only known superconductors that worked at so-called "high" temperatures (above 30 K, or about -406 degrees ...

Superconductivity: the new high critical temperature superconductors

Physics / Superconductivity

Feb 24, 2009 | 4.3 / 5 (8) | 0

(PhysOrg.com) -- The paper published in the Journal of the American Chemical Society (JACS) by a team led by professor Francesc Illas of the University of Barcelona's Department of Physical Chemistry and di ...

Secrets behind high temperature superconductors revealed

Physics / Superconductivity

Feb 22, 2009 | 3.7 / 5 (23) | 29

(PhysOrg.com) -- Scientists from Queen Mary, University of London and the University of Fribourg (Switzerland) have found evidence that magnetism is involved in the mechanism behind high temperature superconductivity.

Scientists prove unconventional superconductivity in new iron arsenide compounds

Physics / Superconductivity

Jan 09, 2009 | 4.8 / 5 (13) | 3

(PhysOrg.com) -- Scientists at U.S. Department of Energy's Argonne National Laboratory used inelastic neutron scattering to show that superconductivity in a new family of iron arsenide superconductors cannot ...

Closing the 'Pseudogap' on Superconductivity

Physics / Superconductivity

Mar 13, 2008 | 4.1 / 5 (13) | 0

One of the biggest mysteries in studying high-temperature (Tc) superconductors - materials that conduct electrical current with no resistance below a certain transition temperature - is the origin of a gap in the energy level ...

Physics professor probes superconductivity

Physics / Superconductivity

Oct 04, 2007 | 4.4 / 5 (10) | 0

When Eric Hudson was introduced to high-temperature superconductivity as a graduate student, it was still, so to speak, a hot topic.

New research sheds light on shimmering superconductivity and the courtship of electrons

Physics / Superconductivity

Oct 04, 2007 | 4.6 / 5 (8) | 0

In their normal state, electrons repel each other because of their charge, but in the state of superconductivity, electrons pair up. John Schlueter, a chemist from the U.S. Department of Energy's Argonne National ...