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Cheaper Cell Phones With Better Signal Quality: World's Most Powerful Nanoscale Microwave Oscillators Developed
June 26, 2012 — Researchers have developed the world's most powerful nanoscale microwave oscillators. The new electron spin-based oscillators use a spin-transfer torque magnetoresistive random access memory or ... > full story -
Researchers Tune the Strain in Graphene Drumheads to Create Quantum Dots
June 21, 2012 — Researchers have shown that they can tune the strain in graphene suspended like drumheads over microscopic holes in a substrate of silicon oxide using the tip of an advanced scanning probe microscope ... > full story -
Quantum Computing? Quantum Bar Magnets in a Transparent Salt
June 15, 2012 — Scientists have managed to switch on and off the magnetism of a new material using quantum mechanics, making the material a test bed for future quantum ... > full story -
A 'Dirt Cheap' Magnetic Field Sensor from 'Plastic Paint'
June 12, 2012 — Physicists have developed an inexpensive, highly accurate magnetic field sensor for scientific and possibly consumer uses based on a “spintronic” organic thin-film semiconductor that ... > full story -
Spin Structure Reveals Key to New Forms of Digital Storage, Study Shows
June 7, 2012 — A synthetic compound long known to exhibit interesting transition properties may hold the key to new, non-magnetic forms of information storage, say researchers. The latest findings shed light on the ... > full story -
Sensors Detect Contaminants in Water in Low Concentrations
June 6, 2012 — Many organic contaminants in the air and in drinking water need to be detected at very low-level concentrations. New research could be beneficial in detecting those ... > full story -
Splitting the Unsplittable: Physicists Split an Atom Using Quantum Mechanics Precision
June 5, 2012 — Researchers have just shown how a single atom can be split into its two halves, pulled apart and put back together again. While the word "atom" literally means "indivisible," the laws of quantum ... > full story -
Hall Effect at the Speed of Light: How Can You Demonstrate Relativistic Effects With Your Mobile Phone?
May 21, 2012 — The relativistic Hall effect describing objects rotating at speeds comparable with the speed of light has now been ... > full story -
Diamond Used to Produce Graphene Quantum Dots and Nano-Ribbons of Controlled Structure
May 17, 2012 — Researchers have come closer to solving an old challenge of producing graphene quantum dots of controlled shape and size at large densities, which could revolutionize electronics and ... > full story -
Beyond the High-Speed Hard Drive: Topological Insulators Open a Path to Room-Temperature Spintronics
May 15, 2012 — Theorists and experimenters have explored the unique properties of topological insulators, where electrons may flow on the surface without resistance, with spin orientations and directions intimately ... > full story
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