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New approach for 'nanohoops' could energize future devices


When Ramesh Jasti began making tiny organic circular structures using carbon atoms, the idea was to improve carbon nanotubes being developed for use in electronics or optical devices. He quickly realized, however, that his technique might also roll solo. In a new paper, Jasti and five University ...


Nanoelectronics could get a boost from carbon research


Scientists have investigated a way to create linear chains of carbon atoms from laser-melted graphite. The material, called carbyne, could have a number of novel properties, including the ability to adjust the amount of electrical current traveling through a circuit, depending on the user's ...


Researchers synthesize magnetic nanoparticles that could offer alternative to rare Earth magnets


A team of scientists at Virginia Commonwealth University has synthesized a powerful new magnetic material that could reduce the dependence of the United States and other nations on rare earth elements produced by China. "The discovery opens the pathway to systematically improving the new material ...


New 'designer carbon' from Stanford boosts battery performance


Stanford University scientists have created a new carbon material that significantly boosts the performance of energy-storage technologies. Their results are featured in ACS Central Science."We have developed a 'designer carbon' that is both versatile and controllable," said Zhenan Bao, the ...


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Penta-graphene, a new structural variant of carbon, discovered


Researchers at Virginia Commonwealth University and universities in China and Japan have discovered a new structural variant of carbon called "penta-graphene" - a very thin sheet of pure carbon that has a unique structure inspired by a pentagonal pattern of tiles found paving the streets of ...


A new way to make sheets of graphene


Graphene's promise as a material for new kinds of electronic devices, among other uses, has led researchers around the world to study the material in search of new applications. But one of the biggest limitations to wider use of the strong, lightweight, highly conductive material has been the ...


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Not all diamonds are forever

Rice University researchers see nanodiamonds created in coal fade away in seconds


The Rice researchers behind a new study that explains the creation of nanodiamonds in treated coal also show that some microscopic diamonds only last seconds before fading back into less-structured forms of carbon under the impact of an electron beam. The research by Rice chemist Ed Billups and ...


Top 12 ways the world can eliminate agriculture's climate footprint

Impact of eating less red meat, more efficient production and use of fertilizer calculated; emissions can be cut while boosting food production globally


Annual carbon emissions from global agriculture can be reduced by as much as 50 to 90 percent by 2030—the equivalent of removing all the cars in the world—according to a comprehensive new report released by Climate Focus and California Environmental Associates. The study highlights twelve key ...


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Halving hydrogen

First view of nature-inspired catalyst after ripping hydrogen apart provides insights for better, cheaper fuel cells


Like a hungry diner ripping open a dinner roll, a fuel cell catalyst that converts hydrogen into electricity must tear open a hydrogen molecule. Now researchers have captured a view of such a catalyst holding onto the two halves of its hydrogen feast. The view confirms previous hypotheses and ...


MRI, on a molecular scale

Researchers develop system that could one day peer into the atomic structure of individual molecules


For decades, scientists have used techniques like X-ray crystallography and nuclear magnetic resonance imaging (NMR) to gain invaluable insight into the atomic structure of molecules, but such efforts have long been hampered by the fact that they demand large quantities of a specific molecule and ...


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