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14 Current news of Helmholtz-Zentrum Geesthacht


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New membrane separates small organic molecules

The electrical charge is what makes the difference


A new membrane developed at the Helmholtz-Zentrum Geesthacht (HZG) separates small dye particles or drug substances not only by size but also by their electrical charge. This additional function enables organic molecules with lateral dimensions of one to two nanometres to be such high-efficiently ...


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Wireless microengine made from a twisted fibre


A highly efficient, micro-sized motor-cum-energy storage system has been presented by researchers from the Helmholtz-Zentrum Geesthacht (HZG) and the University of Bordeaux in the journal ‘Science’. The ‘microengine’ is made from polymeric micro-fibres, which are stiff at room temperature. When ...


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On the pathway to novel hydrogen storage materials


Scientists at the Helmholtz-Zentrum Geesthacht and their European partners have developed a new chemical system for storing solid hydrogen. The special combination of hydrides allows overcoming some of the most serious drawbacks associated to the use of this class of materials. This represents a ...


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Unravelled with innovative experiments: Why tiny metallic structures are extremely strong

Successful Mechanical Testing of Nanowires


Light-weight and simultaneously strong – porous metallic nanomaterials promise interesting applications as, for instance, for future aeroplanes with enhanced reliability and for energy-efficient automobiles. The origin of the exceptional properties of the tiny metallic bodies remains to be ...


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New method for record-breaking polymer membranes

Fivefold increase in performance through gentle treatment


Scientists from the Institute of Polymer Research at the Helmholtz-Zentrum Geesthacht (HZG) develop tailor-made membrane materials based on thermally rearranged polymers. The researchers recently managed to create the membranes at 250 degrees Celsius rather than at 450 degrees. This represents a ...


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Blending is the Trick: Tailored Pores in Block Copolymer Membranes


A simple trick generates custom-tailored pores. Maryam Radjabian has developed a surprisingly uncomplicated method for obtaining the desired pore size in block copolymer membranes. The results of her research were published in Advanced Materials. Whether it’s water treatment or virus and protein ...


Nanoparticles strengthen magnesium


Materials scientists of the Helmholtz-Zentrum Geesthacht develop new magnesium materials for vehicles, airplanes and satellitesin the EU-project EXOMET, which is coordinated by the European Space Agency (ESA). The European Union funds the ambitious project with 10 million Euro, 27 partners will ...


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Hydrogen as alternative to petrol: Scientists research boron in tanks


The European Technology Initiative, “Fuel Cells and Hydrogen Joint Undertaking” (FCH JU), is providing approx 2.3 million euro of finance for the development of new hydrogen solid-state containers on the basis of boron hydrides.These compounds absorb much more hydrogen, the tanks remain ...


Addition of rare earths influences the behaviour of sheet metal

Junior Scientist Award for Magnesium Researcher


Lennart Stutz, a magnesium researcher at the Helmholtz Centre Geesthacht, was awarded a young scientist prize for the best publication of the year 2011,at the Annual Meeting of the international “Minerals, Metals & Materials Society” (TMS) which was held in Orlando, Florida in March of this ...


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Hard or soft: at the touch of a button New nano material switches properties as required


A world premiere: a material which changes its strength, virtually at the touch of a button. This transformation can be achieved in a matter of seconds through changes in the electron structure of a material; thus hard and brittle matter, for example, can become soft and malleable. What makes ...


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