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New formula for identifying suitable graphene substrate

Physicists have developed a criterion with which scientists can seek suitable substrate materials for graphene in a targeted way. Interactions with the substrate material often lead to a loss of the amazing properties that characterize this special form of carbon.

Posted: Mar 10th, 2015

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Nitrogenated 2D crystals could rival graphene

Researchers in South Korea have, for the first time, developed a simple technique to produce a two-dimensional nitrogen-containing crystal that has the capacity to be a potential rival to graphene and silicon as semi-conductor materials.

Posted: Mar 10th, 2015

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Electrons in slow motion

At the origin of the properties of high-temperature superconductors lies a phenomenon that is too fast to be observed experimentally with conventional methods. A team of scientists from different research centers has applied a sophisticated experimental technique, something like a moviola film-editing system, to slow down and analyze the structure of the process.

Posted: Mar 9th, 2015

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Quick, easy and early diagnosis with rare earth ions

A novel method makes it possible to measure oxygen in cells and other biological material with previously un-attainable precision. The method is based on rare earth compounds emitting colored light that vary in color with the amount of oxygen present in the sample. Because emissions are in the visible range of the spectrum, it will be possible to measure oxygen using the optical microscopes already present in most hospitals.

Posted: Mar 9th, 2015

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