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Iron-based superconductors exhibit s-wave symmetry

(Phys.org) -- Condensed-matter physicists the world over are in hot pursuit of a comprehensive understanding of high-temperature superconductivity, not just for its technological benefits but for the clues ...

Physics / Superconductivity

created May 18, 2012 | popularity 5 / 5 (3) | comments 4 | with audio podcast

Physicist awarded prestigious John Bardeen Prize

James A. Sauls, professor of physics and astronomy in the Weinberg College of Arts and Sciences at Northwestern University, has been awarded the 2012 John Bardeen Prize for his contributions to the theory of unconventional ...

Physics / Superconductivity

created May 11, 2012 | popularity 4.7 / 5 (3) | comments 0

Atomic-scale visualization of electron pairing in iron superconductors

(Phys.org) -- By measuring how strongly electrons are bound together to form Cooper pairs in an iron-based superconductor, scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory, ...

Physics / Superconductivity

created May 03, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Long predicted but never observed: A new kind of quantum junction

A new type of quantum bit called a "phase-slip qubit", devised by researchers at the RIKEN Advanced Science Institute and their collaborators, has enabled the world's first-ever experimental demonstration ...

Physics / Superconductivity

created Apr 18, 2012 | popularity 4.9 / 5 (12) | comments 3 | with audio podcast

Ultrafast laser pulses shed light on elusive superconducting mechanism

An international team that includes University of British Columbia physicists has used ultra-fast laser pulses to identify the microscopic interactions that drive high-temperature superconductivity.

Physics / Superconductivity

created Mar 29, 2012 | popularity 5 / 5 (7) | comments 0 | with audio podcast

Physicists surprised by disappearing and reappearing superconductivity in iron selenium chalcogenides

(PhysOrg.com) -- Superconductivity is a rare physical state in which matter is able to conduct electricity -- maintain a flow of electrons -- without any resistance. This phenomenon can only be found in certain ...

Physics / Superconductivity

created Feb 22, 2012 | popularity 5 / 5 (6) | comments 4 | with audio podcast

Outstanding in the cold

Physicist John P. Davis is counting the days until he takes delivery of equipment that will give the University of Alberta the distinction of having the coldest laboratory in Canada.  

Physics / Superconductivity

created Feb 20, 2012 | popularity 3.3 / 5 (3) | comments 1

Cutting corners to make superconductors work better

Making superconducting nanocircuits with rounded corners will improve their performance, according to John R. Clem, a physicist at the U.S. Department of Energy’s Ames Laboratory, and Karl K. Berggren, ...

Physics / Superconductivity

created Feb 14, 2012 | popularity 3.3 / 5 (7) | comments 0

Unusual 'collapsing' iron superconductor sets record for its class

(PhysOrg.com) -- A team from the National Institute of Standards and Technology and the University of Maryland has found an iron-based superconductor that operates at the highest known temperature for a material ...

Physics / Superconductivity

created Feb 08, 2012 | popularity 4.7 / 5 (6) | comments 3 | with audio podcast

Superconducting current limiter guarantees electricity supply of the Boxberg power plant

For the first time, a superconducting current limiter based on YBCO strip conductors has now been installed at a power plant. At the Boxberg power plant of Vattenfall, the current limiter protects the grid ...

Physics / Superconductivity

created Jan 13, 2012 | popularity 4.2 / 5 (11) | comments 3 | with audio podcast

Rice's 'quantum critical' theory gets experimental boost

New evidence this week supports a theory developed five years ago at Rice University to explain the electrical properties of several classes of materials -- including unconventional superconductors -- that ...

Physics / Superconductivity

created Jan 11, 2012 | popularity 4.1 / 5 (14) | comments 2 | with audio podcast

Chemists propose explanation for superconductivity at high temperatures

(PhysOrg.com) -- It has been 25 years since scientists discovered the first high-temperature superconductors—copper oxides, or cuprates, that conduct electricity without a shred of resistance at temperatures ...

Physics / Superconductivity

created Dec 15, 2011 | popularity 4.9 / 5 (19) | comments 27 | with audio podcast

First proof of single atomic layer material with zero electrical resistance

A research group at the NIMS International Center for Materials Nanoarchitectonics (MANA) has proved that the electrical resistance of a metal single atomic layer on a silicon surface becomes zero by superconductivity.

Physics / Superconductivity

created Nov 24, 2011 | popularity 5 / 5 (7) | comments 8

Researchers use new approach to overcome key hurdle for next-generation superconductors

Researchers from North Carolina State University have developed a new computational approach to improve the utility of superconductive materials for specific design applications – and have used the approach ...

Physics / Superconductivity

created Oct 27, 2011 | popularity 4.3 / 5 (8) | comments 0 | with audio podcast

Physicists unveil a theory for a new kind of superconductivity

(PhysOrg.com) -- In this 100th anniversary year of the discovery of superconductivity, physicists at the University of Massachusetts Amherst and Sweden’s Royal Institute of Technology have published a ...

Physics / Superconductivity

created Oct 24, 2011 | popularity 4.7 / 5 (31) | comments 7 | with audio podcast