News tagged with materials properties
Tighter 'stitching' makes better graphene
(Phys.org) -- Similar to how tighter stiches make for a better quality quilt, the "stitching" between individual crystals of graphene affects how well these carbon monolayers conduct electricity and retain ...
Nanotechnology / Nanomaterials
20 hours ago |
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Excitons: Exotic particles, chilled and trapped, form giant matter wave
Physicists have trapped and cooled exotic particles called excitons so effectively that they condensed and cohered to form a giant matter wave.
May 24, 2012 |
4.8 / 5 (12) |
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Engineered materials: Custom-made magnets
A novel approach to designing artificial materials could enable magnetic devices with a wider range of properties than those now available. An international team of researchers have now extended the properties ...
May 24, 2012 |
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Researchers generate electricity from viruses
Imagine charging your phone as you walk, thanks to a paper-thin generator embedded in the sole of your shoe. This futuristic scenario is now a little closer to reality. Scientists from the U.S. Department of Energy's Lawrence ...
Nanotechnology / Bio & Medicine
May 13, 2012 |
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Study examines nanotechnology-related safety and ethics problem
A recent paper by Kathleen Eggleson, a research scientist in the Center for Nano Science and Technology (NDnano) at the University of Notre Dame, provides an example of a nanotechnology-related safety and ethics problem that ...
Nanotechnology / Bio & Medicine
Apr 27, 2012 |
3 / 5 (2) |
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Inspired by insects: For treatment of vocal fold disorders, researchers look to insect protein
A one-inch long grasshopper can leap a distance of about 20 inches. Cicadas can produce sound at about the same frequency as radio waves. Fleas measuring only millimeters can jump an astonishing 100 times ...
Apr 25, 2012 |
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New material shares many of graphene's unusual properties
Graphene, a single-atom-thick layer of carbon, has spawned much research into its unique electronic, optical and mechanical properties. Now, researchers at MIT have found another compound that shares many ...
Nanotechnology / Nanomaterials
Apr 24, 2012 |
4.8 / 5 (4) |
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Topological transitions in metamaterials
The ability to control the flow of electrons using engineered materials is fundamental to the information technology revolution, yet many properties of matter are still unclear. Now a University of Alberta researcher is closer ...
Apr 14, 2012 |
4.2 / 5 (6) |
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Electron microscopy inspires flexoelectric theory behind 'material on the brink'
Electron microscopy, conducted as part of the Shared Research Equipment (ShaRE) User Program at the Department of Energy's Oak Ridge National Laboratory, has led to a new theory to explain intriguing properties in a material ...
Apr 13, 2012 |
4.7 / 5 (6) |
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Researchers find possible evidence of Majorana fermions
(Phys.org) -- Researchers working out of Delft University of Technology in the Netherlands have constructed a device that appears to offer some evidence of the existence of Majorana fermions; the elusive particles ...
Apr 13, 2012 |
4.8 / 5 (25) |
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Mechanical properties and microstructure of cranial and beak bones of the woodpecker and the lark
Woodpeckers do not experience head injury despite repeated high-speed impacts during pecking at 6-7 m/s and decelerations up to 1,000 g. This biomechanical analysis of woodpecker cranial structures sheds light ...
Apr 10, 2012 |
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Researchers resolve controversy over gallium manganese arsenide that could boost spintronic performance
A long-standing controversy regarding the semiconductor gallium manganese arsenide, one of the most promising materials for spintronic technology, looks to have been resolved. Researchers with the Lawrence ...
Feb 27, 2012 |
4.4 / 5 (9) |
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Nano discs pose potential health risk
(PhysOrg.com) -- A revolutionary material that is used in computer technology could pose health risks to those involved in its manufacture.
Nanotechnology / Bio & Medicine
Feb 21, 2012 |
5 / 5 (1) |
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Nanotechnology may lead to more energy-efficient electronics
Carbon nanotubes and graphene consist of just a couple of layers of carbon atoms, but they are lighter than aluminium, stronger than steel and can bend like spring-coils. Physicist Niklas Lindahl at the University ...
Nanotechnology / Nanomaterials
Feb 14, 2012 |
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Magnetic spin on non-magnetic materials
(PhysOrg.com) -- Nanotechnologists from the University of Twente's MESA+ and MIRA research institutes have developed a method for incorporating magnetic elements into non-magnetic materials in a highly controlled ...
Feb 14, 2012 |
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