http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Fujitsu Laboratories today announced, as a world first, the development of a novel technology for forming graphene transistors directly on the entire surface of large-scale insulating substrates at low temperatures while employing chemical-vapor deposition (CVD) techniques which are in widespread use in semiconductor manufacturing. http://www.physorg.com/news178552799.html Technology Fri, 27 Nov 2009 14:00:59 EST news178552799 (PhysOrg.com) -- First, it was the soccer-ball-shaped molecules dubbed buckyballs. Then it was the cylindrically shaped nanotubes. Now, the hottest new material in physics and nanotechnology is graphene: a remarkably flat molecule made of carbon atoms arranged in hexagonal rings much like molecular chicken wire. http://www.physorg.com/news177689867.html Nanotechnology Tue, 17 Nov 2009 14:22:12 EST news177689867 (PhysOrg.com) -- A Cornell research team has invented a simple way to make graphene electrical devices by growing the graphene directly onto a silicon wafer. http://www.physorg.com/news177062908.html Nanotechnology Tue, 10 Nov 2009 08:10:01 EST news177062908 (PhysOrg.com) -- Researchers at the University of Washington and the University of North Carolina at Chapel Hill have taken an important step in converting methane gas to a liquid, potentially making it more useful as a fuel and as a source for making other chemicals. http://www.physorg.com/news175440723.html Chemistry Thu, 22 Oct 2009 14:32:49 EST news175440723 (PhysOrg.com) -- MIT physicist Pablo Jarillo-Herrero has won a 2009 David and Lucile Packard Fellowship, an award he will use to study a new class of materials that could have applications in the semiconductor industry and quantum computing. http://www.physorg.com/news174894793.html Physics Fri, 16 Oct 2009 07:40:02 EST news174894793 Rutgers researchers have discovered novel electronic properties in two-dimensional sheets of carbon atoms called graphene that could one day be the heart of speedy and powerful electronic devices. http://www.physorg.com/news174745964.html Nanotechnology Wed, 14 Oct 2009 13:33:58 EST news174745964 (PhysOrg.com) -- Physicists have investigated the purest graphene to date, and have found that the material possesses unprecedented high electronic quality. The discovery has raised the bar for this relatively new material, and challenges scientists to find out just how perfect graphene can be. http://www.physorg.com/news174654627.html Nanotechnology Tue, 13 Oct 2009 12:11:02 EST news174654627 Researchers of Eindhoven University of Technology and the Radboud University Nijmegen in The Netherlands show for the first time why ordinary graphite is a permanent magnet at room temperature. The results are promising for new applications in nanotechnology, such as sensors and detectors. In particular graphite could be a promising candidate for a biosensor material. The results will appear online on 4 October in Nature Physics. http://www.physorg.com/news173881546.html Nanotechnology Sun, 04 Oct 2009 13:26:35 EST news173881546 Mercury pollution is a persistent problem in the environment. Human activity has lead to increasingly large accumulations of the toxic chemical, especially in waterways, where fish and shellfish tend to act as sponges for the heavy metal. http://www.physorg.com/news173616421.html Chemistry Thu, 01 Oct 2009 11:49:31 EST news173616421 (PhysOrg.com) -- New work by chemists at UC Davis shows that ethylene, a gas that is important both as a hormone that controls fruit ripening and as a raw material in industrial chemistry, can bind reversibly to tin atoms. The research, published Sept. 25 in the journal Science, could have implications for understanding catalytic processes. http://www.physorg.com/news173464165.html Chemistry Tue, 29 Sep 2009 17:29:46 EST news173464165 (PhysOrg.com) -- A sensitive new Stanford-developed disposable chip detects low concentrations of the explosive trinitrotoluene (TNT) and a close chemical cousin of the dreaded toxic nerve agent sarin in water samples. The research appears online this week in the journal ACS Nano. http://www.physorg.com/news173035243.html Nanotechnology Thu, 24 Sep 2009 19:10:01 EST news173035243 (PhysOrg.com) -- Biomedical researchers suspect graphene, a novel nanomaterial made of sheets of single carbon atoms, would be useful in a variety of applications. But no one had studied the interaction between graphene and DNA, the building block of all living things. To learn more, PNNL's Zhiwen Tang, Yuehe Lin and colleagues from both PNNL and Princeton University built nanostructures of graphene and DNA. http://www.physorg.com/news172896200.html Nanotechnology Wed, 23 Sep 2009 03:43:56 EST news172896200 (PhysOrg.com) -- Diamonds, it has long been said, are a girl's best friend. But a research team including a physicist from the National Institute of Standards and Technology has recently found that the gems might turn out to be a patient's best friend as well. http://www.physorg.com/news172862154.html Physics Tue, 22 Sep 2009 18:16:51 EST news172862154 It is the marriage of two top candidates for the electronics of the future, both excentric and extremely interesting: Graphene, one of the partners, is an extremely thin fellow and besides, very young. http://www.physorg.com/news172305470.html Physics Wed, 16 Sep 2009 07:38:33 EST news172305470 Small, smaller, "nano" data storage! Interest is growing in the use of metallofullerenes - carbon `cages` with embedded metallic compounds - as materials for miniature data storage devices. Researchers at Empa have discovered that metallofullerenes are capable of forming ordered supramolecular structures with different orientations. By specifically manipulating these orientations it might be possible to store and subsequently read out information. http://www.physorg.com/news171041009.html Nanotechnology Tue, 01 Sep 2009 16:24:05 EST news171041009 (PhysOrg.com) -- For the first time, IBM researchers in Zurich, Switzerland, have taken a 3D image of an individual molecule. Using an atomic force microscope, the researchers constructed a "force map" of pentacene, an organic molecule just 1.4 nanometers long. As the researchers explain, the technique is roughly analogous to how an x-ray machine images bones in the human body by looking through flesh. In this case, the scientists could look through the electron cloud and see the atomic backbone of the molecule. http://www.physorg.com/news170685108.html Nanotechnology Fri, 28 Aug 2009 13:34:27 EST news170685108 (PhysOrg.com) -- Electronic gadgetry gets tinier and more powerful all the time, but at some point, the transistors and myriad other component parts will get so little they won't work. That's because when things get really small, the regular rules of Newtonian physics quit and the weird rules of quantum mechanics kick in. When that happens, as physics professor and chair Ravindra Pandey puts it, "everything goes haywire." http://www.physorg.com/news169397882.html Nanotechnology Thu, 13 Aug 2009 15:58:43 EST news169397882 In his neatly ordered lab at DuPont, chemist Ming Zheng slides open a glass cabinet and removes a flask of soot that could have been swept from someone's fireplace. http://www.physorg.com/news168613815.html Nanotechnology Tue, 04 Aug 2009 14:11:31 EST news168613815 (PhysOrg.com) -- New video showing the atom-by-atom growth of carbon nanotubes reveals they rotate as they grow, much like the halting motion of a mechanical clock's second hand. Published online this month by researchers at France's Université Lyon1/CNRS and Houston's Rice University, the research provides the first experimental evidence of how individual carbon atoms are added to growing nanotubes. http://www.physorg.com/news167918528.html Nanotechnology Mon, 27 Jul 2009 13:03:35 EST news167918528 (PhysOrg.com) -- The largest representation ever created of the atomic structure of diamond will be brought to the West End on Tuesday for public exhibition. The sculpture is one of three works of science art portraying carbon made in recent weeks by the University of Keele, and called collectively Carbon Rapture. http://www.physorg.com/news167290123.html Nanotechnology Mon, 20 Jul 2009 06:38:40 EST news167290123 (PhysOrg.com) -- The first artificial graphene has been created at the NEST laboratory of the Italian Institute for the Physics of Matter (INFM-CNR) in Pisa. It is sculpted on the surface of a gallium-arsenide semiconductor, to which it grants the extraordinary properties of the original graphene. Published as a Rapid Communication on Phys.Rev.B, the research has been highlighted by the American Physical Society. http://www.physorg.com/news167052354.html Nanotechnology Fri, 17 Jul 2009 12:26:41 EST news167052354 An interdisciplinary team of scientists led by Princeton engineers has been awarded a $3 million grant to study how fuel additives made of tiny particles known as nanocatalysts can help supersonic jets fly faster and make diesel engines cleaner and more efficient. http://www.physorg.com/news166727811.html Nanotechnology Mon, 13 Jul 2009 20:20:01 EST news166727811 Since its discovery just a few years ago, graphene has climbed to the top of the heap of new super-materials poised to transform the electronics and nanotechnology landscape. As N.J. Tao, a researcher at the Biodesign Institute of Arizona State University explains, this two dimensional honeycomb structure of carbon atoms is exceptionally strong and versatile. Its unusual properties make it ideal for applications that are pushing the existing limits of microchips, chemical sensing instruments, biosensors, ultracapacitance devices, flexible displays and other innovations. http://www.physorg.com/news166357423.html Nanotechnology Thu, 09 Jul 2009 12:10:01 EST news166357423 (PhysOrg.com) -- Whether it's the summer grass that tickles your feet or the red Bordeaux smacking on your palette, nearly every part of the world around you carries special chemical markers. These markers, called isotopes, can tell scientists where the molecules that compose a substance are from, where they traveled, and what happened to them along the way. But doing these analyses has been complex and costly. Now, Stanford chemists have developed a new method to make isotopic analysis easier and less expensive. http://www.physorg.com/news165515832.html Chemistry Mon, 29 Jun 2009 18:40:01 EST news165515832 Graphene is the two-dimensional crystalline form of carbon, whose extraordinary electron mobility and other unique features hold great promise for nanoscale electronics and photonics. But there's a catch: graphene has no bandgap. http://www.physorg.com/news163859660.html Nanotechnology Wed, 10 Jun 2009 13:34:48 EST news163859660 (PhysOrg.com) -- University of Missouri researchers recently showed how carbon nanostructures can be engineered to become excellent media for hydrogen storage, work that may be important for the advancement of hydrogen-energy technologies for vehicles and other applications, which have been slow to develop due to the lack of suitable storage materials. http://www.physorg.com/news162195986.html Nanotechnology Fri, 22 May 2009 07:27:40 EST news162195986 (PhysOrg.com) -- Applying innovative measurement techniques, researchers from the Georgia Institute of Technology and the National Institute of Standards and Technology have directly measured the unusual energy spectrum of graphene, a technologically promising, two-dimensional form of carbon that has tantalized and puzzled scientists since its discovery in 2004. http://www.physorg.com/news161529738.html Nanotechnology Thu, 14 May 2009 14:23:08 EST news161529738 (PhysOrg.com) -- Researchers at UCLA have developed a new method for producing a hybrid graphene-carbon nanotube, or G-CNT, for potential use as a transparent conductor in solar cells and consumer electronic devices. These G-CNTs could provide a cheaper and much more flexible alternative to materials currently used in these and similar applications. http://www.physorg.com/news161456665.html Nanotechnology Wed, 13 May 2009 18:05:20 EST news161456665 The creation of large-area graphene using copper may enable the manufacture of new graphene-based devices that meet the scaling requirements of the semiconductor industry, leading to faster computers and electronics, according to a team of scientists and engineers at The University of Texas at Austin. http://www.physorg.com/news160924908.html Nanotechnology Thu, 07 May 2009 14:22:29 EST news160924908 (PhysOrg.com) -- A material just six atoms thick in which electrons appear to be guided by conflicting laws of physics depending on their direction of travel has been discovered by a team of physicists at the University of California, Davis. Working with computational models, the team has found that the electrons in a thin layer of vanadium dioxide sandwiched between insulating sheets of titanium dioxide exhibit one set of properties when moving in forward-backward directions, and another set when moving left to right. http://www.physorg.com/news160670034.html Nanotechnology Mon, 04 May 2009 15:34:40 EST news160670034