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Laboratory for Compound Semiconductor Microsystems

Prof. Dr. Oliver Ambacher    





Graphene super capacitors for the storage of electric energy

Being able to save large amounts of electric energy and making them available for mobile access are important prerequisites for the further development of renewable energies. Within the framework of the »Sustainability Center«, Fraunhofer IAF, together with partners from the University of Freiburg, is working on the development of super capacitors based on graphene. Such devices promise many advantages for application in mobile electrical power supply systems, for instance in electric cars.
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Jewelry made from synthetic diamond

Synthetic diamond is almost exclusively being used in industrial applications. So far, man-made diamonds could not be produced in quantities high enough to establish them as gemstones. Researchers have now developed the production process of synthetic diamond to such a mature stage, that it is possible to grow 600 diamonds at one time in a plasma reactor. This globally unique reactor type operated at the Fraunhofer Institute for Applied Solid State Physics IAF in Freiburg facilitates the production of single crystalline diamond with an extremely high level of purity.
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Graphene – from a wonder material to the application in mobile communication

Its theoretical properties made graphene a »wonder material« overnight: it is up to 200 times harder than steel, six times lighter, strong but flexible, environmentally friendly and the world’s thinnest material. Measuring only a single atom layer, about a one hundred-thousandth the diameter of a human hair, it still retains a remarkable level of conductivity.
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