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A persistent spin state could revolutionize spintronics

By controlling the collective spin state of highly mobile electrons in semiconductors, researchers in the Materials Sciences Division (MSD) at the U.S. Department of Energy's Lawrence Berkeley National Laboratory have taken a major step forward in the technology of spintronics.

Posted: Apr 2nd, 2009

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Surface smoothing increases carbon nanotube luminescence 40-fold

By developing a process in which a chemical 'sleeve' tightly wraps itself around the nanotube, scientists managed to not only create a smooth new surface on the nanotube but also to 'clean' its underlying exterior of defects in a way that has never been accomplished before.

Posted: Apr 1st, 2009

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Magnetic nano-'shepherds' organize cells

The power of magnetism may address a major problem facing bioengineers as they try to create new tissue -- getting human cells to not only form structures, but to stimulate the growth of blood vessels to nourish that growth.

Posted: Mar 31st, 2009

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New method to disperse chemically modified graphene in organic solvents

A method for creating dispersed and chemically modified graphene sheets in a wide variety of organic solvents has been developed, opening the door to use graphene in a host of important materials and applications such as conductive films, polymer composites, ultracapacitors, batteries, paints, inks and plastic electronics.

Posted: Mar 31st, 2009

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