Physicists at Los Alamos National Laboratory, along with colleagues at institutions in Switzerland and Canada, have observed, for the first time in a single exotic phase, a situation where magnetism and superconductivity...
A rare class of materials, known as multiferroics, holds great promise for future applications, for example as data storage devices or sensors. However, progress has been hampered by the low operation temperatures and high magnetic fields required to control a property of the materials known as electric polarization. A solution to this problem may have been found by researchers from RIKEN's Advanced Science Institute in Wako and from the Japan Science and Technology Agency (JST), who have synthesized a multiferroic material in which electric polarization can be easily controlled by small magnetic fields.
The semiconductor silicon and the ferromagnet iron are the basis for much of mankind's technology, used in everything from computers to electric motors. In this week's issue of the journal Nature (August 21st) an international group of scientists, including academic and industrial researchers from the UK, USA and Lesotho, report that they have combined these elements with a small amount of another common metal, manganese, to create a new material which is neither a magnet nor an ordinary semiconductor.
An experiment carried out at the Physikalisch-Technische Bundesanstalt (PTB) has realized spin torque switching of a nanomagnet as fast as the fundamental speed limit allows. Using this so-called ballistic switching futu...
Scientists at the University of California, Berkeley, have for the first time engineered 3-D materials that can reverse the natural direction of visible and near-infrared light, a development that could help form the basis for higher resolution optical imaging, nanocircuits for high-powered computers, and, to the delight of science-fiction and fantasy buffs, cloaking devices that could render objects invisible to the human eye.
Scientists from Los Alamos National Laboratory, the University of California, Irvine, and the University of California, Davis have proposed a new characterization for the bizarre behavior of certain super-cooled materials--many that act as superconductors--which suggests a paradigm shift in the way scientists understand superconductivity.
A research team led by Dr Oleg Gang at the Brookhaven Center for Functional Nanomaterials (CFN) in New York is using the Zetasizer Nano particle characterization system from Malvern Instruments in ground-breaking work that has demonstrated successful DNA-guided formation of ordered 3-D crystalline structures.
Physicists at Rutgers and Columbia universities have gained new insight into the origins of superconductivity - a property of metals where electrical resistance vanishes - by studying exotic chemical compounds that conta...
In the emerging field of oxide electronics, electronic devices are based on oxide materials rather than conventional materials such as silicon. One of the most promising candidates for this application is the oxide semiconductor strontium titanate, SrTiO3. Now, researchers from RIKEN’s SPring-8 Center in Harima and their colleagues have uncovered fundamental properties of the electronic states in SrTiO3 that may be crucial to understanding the unusual electronic properties of this material.
Post Doc Henrik Ingerslev Jørgensen from the Nano-Science Center, located at the Niels Bohr Institute at the University of Copenhagen, has come an important step closer to the quantum computer. The journal Nature Ph...
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