Supports earlier controversial finding, may help explain superconducting mechanism
An international collaboration including two physicists from the U.S. Department of Energys Brookhaven National Laboratory has published additional evidence to support the existence of "stripes" in high-temperature (Tc) superconductors. The report in the April 27, 2006, issue of Nature strengthens earlier claims that such stripes -- a particular spatial arrangement of electrical charges -- might somehow contribute to the mechanism by which these materials carry current with no resistance. Understanding the mechanism for high-Tc superconductors, which operate at temperatures warmer than traditional superconductors but still far below freezing, may one day help scientists design superconductors able to function closer to room temperature for applications such as more-efficient power transmission.
In the material the scientists studied, as in all materials, the atoms negatively charged electrons repel one another. But by trying to stay as far apart as possible, each individual electron is confined to a limited space, which makes the electrons "unhappy" in the sense that it costs energy. "Its like putting a bunch of claustrophobics into a crowded room," says Brookhaven physicist John Tranquada, who leads the Labs role in this work.
Karen McNulty Walsh | EurekAlert!
From ancient fossils to future cars
21.10.2016 | University of California - Riverside
Study explains strength gap between graphene, carbon fiber
20.10.2016 | Rice University
Researchers from the Institute for Quantum Computing (IQC) at the University of Waterloo led the development of a new extensible wiring technique capable of controlling superconducting quantum bits, representing a significant step towards to the realization of a scalable quantum computer.
"The quantum socket is a wiring method that uses three-dimensional wires based on spring-loaded pins to address individual qubits," said Jeremy Béjanin, a PhD...
In a paper in Scientific Reports, a research team at Worcester Polytechnic Institute describes a novel light-activated phenomenon that could become the basis for applications as diverse as microscopic robotic grippers and more efficient solar cells.
A research team at Worcester Polytechnic Institute (WPI) has developed a revolutionary, light-activated semiconductor nanocomposite material that can be used...
By forcefully embedding two silicon atoms in a diamond matrix, Sandia researchers have demonstrated for the first time on a single chip all the components needed to create a quantum bridge to link quantum computers together.
"People have already built small quantum computers," says Sandia researcher Ryan Camacho. "Maybe the first useful one won't be a single giant quantum computer...
COMPAMED has become the leading international marketplace for suppliers of medical manufacturing. The trade fair, which takes place every November and is co-located to MEDICA in Dusseldorf, has been steadily growing over the past years and shows that medical technology remains a rapidly growing market.
In 2016, the joint pavilion by the IVAM Microtechnology Network, the Product Market “High-tech for Medical Devices”, will be located in Hall 8a again and will...
'Ferroelectric' materials can switch between different states of electrical polarization in response to an external electric field. This flexibility means they show promise for many applications, for example in electronic devices and computer memory. Current ferroelectric materials are highly valued for their thermal and chemical stability and rapid electro-mechanical responses, but creating a material that is scalable down to the tiny sizes needed for technologies like silicon-based semiconductors (Si-based CMOS) has proven challenging.
Now, Hiroshi Funakubo and co-workers at the Tokyo Institute of Technology, in collaboration with researchers across Japan, have conducted experiments to...
14.10.2016 | Event News
14.10.2016 | Event News
12.10.2016 | Event News
24.10.2016 | Life Sciences
21.10.2016 | Health and Medicine
21.10.2016 | Information Technology