News tagged with gold atoms
Prediction of intrinsic magnetism at silicon surfaces could lead to single-spin magnetoelectronics
The integration of single-spin magnetoelectronics into standard silicon technology may soon be possible, if experiments confirm a new theoretical prediction by physicists at the Naval Research Laboratory and ...
Aug 26, 2010 |
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An Alchemist's Dream: Superatoms Mimic Elements
(PhysOrg.com) -- Dr. Will Castleman and his team have discovered clusters of atoms that mimic some of the properties of other elements. Called "superatoms," these clusters of atoms behave like a single "superatom" ...
Jul 29, 2010 |
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Scientists provide an atomic view of the destruction caused by radiation in extreme environments
(PhysOrg.com) -- In extreme environments, some materials quickly recover from being hit by energetic ions, while other materials are permanently scarred, according to scientists at Pacific Northwest National ...
Jul 16, 2010 |
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Finnish scientists unveil secrets of a chiral gold nanocluster
Researchers at the Department of Chemistry and Nanoscience Center of the University of Jyvaskyla (Finland) have resolved the structural, electronic and optical properties of a chiral gold nanocluster that remained a mystery ...
Nanotechnology / Nanomaterials
May 27, 2010 |
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Researchers Holding Steady in an Atomic-Scale Tug-of-War
(PhysOrg.com) -- How hard do you have to pull on a single atom of -- let's say -- gold to detach it from the end of a chain of like atoms?* It's a measure of the astonishing progress in nanotechnology that ...
Mar 31, 2010 |
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Strange Antihyperparticle Created
(PhysOrg.com) -- Physicists, including nine from UC Davis, working at the U.S. Department of Energy's Brookhaven National Laboratory recently created some strange matter not seen since just after the Big Bang -- an "antihypertriton" ...
Mar 30, 2010 |
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Faster, cheaper chips from space technology
(PhysOrg.com) -- Our world is full of integrated semiconductor circuits, commonly known as microchips. Today you find them in computers, cars, mobile phones and in almost every electrical device. Technology ...
Mar 26, 2010 |
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Gold and silver nanowires bond naturally, stay strong
(PhysOrg.com) -- Welding uses heat to join pieces of metal in everything from circuits to skyscrapers. But Rice University researchers have found a way to beat the heat on the nanoscale.
Feb 15, 2010 |
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'Perfect' Liquid Hot Enough to be Quark Soup (w/ Video)
Recent analyses from the Relativistic Heavy Ion Collider (RHIC), a 2.4-mile-circumference "atom smasher" at the U.S. DOE's Brookhaven National Laboratory, establish that collisions of gold ions traveling at ...
Feb 15, 2010 |
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Golden pairs: Catalytic dimers of gold atoms make ethylene from methane
(PhysOrg.com) -- Ethylene (ethene, CH2=CH2) is a primary feedstock for chemical industry, and particularly for the production of plastics like polyethylene and polystyrene. Ethylene is currently made by the steam cracking ...
Jan 19, 2010 |
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All smoothed out: Hydroxyl radicals remove nanoscopic irregularities on polished gold surfaces
(PhysOrg.com) -- The precious metal gold is the material of choice for many technical applications because it does not corrode - and because it also has interesting electrical, magnetic, and optical properties. Gold is thus ...
Jan 14, 2010 |
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Oxygen in place of chlorine: Towards a more environmentally friendly propylene oxide synthesis
(PhysOrg.com) -- Propylene oxide is an important bulk chemical that is used primarily in the production of polyurethane plastics. Currently, propylene oxide is usually made from propylene (propene) in a process that uses ...
Nanotechnology / Nanomaterials
Oct 01, 2009 |
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New rotors could help develop nanoscale generators
(PhysOrg.com) -- Scientists at the University of Liverpool have developed a molecular structure that could help create current-generating machines at the nanoscale.
May 27, 2009 |
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A New Family of Molecules for Self-Assembly: The Carboranes
(PhysOrg.com) -- To be useful in real-world applications, a self-assembled monolayer (SAM) of molecules on a surface must have a stable and controllable geometry. Researchers at Penn State and the Sigma-Aldrich ...
Nanotechnology / Nanomaterials
Mar 24, 2009 |
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Through the Wire: A New Nanocatalyst Synthesis Technique
(PhysOrg.com) -- Materials containing bimetallic nanoparticles are attractive in vast technological fields because of their unique catalytic, electronic, and magnetic properties. One of the most promising ...
Nanotechnology / Nanomaterials
Mar 16, 2009 |
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