Nanomaterials

Graphene clocks spin rate at 60M rpm

By / October 4, 2010

New Scientist reported that scientists at the University of Maryland at College Park have managed to clock a floating piece of graphene at an astounding rate of 60 million rpm,…

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Serendipity: Nano LEDs accidentally produced during NIST nanowire research

By / September 30, 2010

Graphic illustrates a single row of nanowires (cylinders with red tops) with fin-shapednanowalls extending outward. Credit: NIST. Speaking of ZnO nanowires, chemists at NIST who were perfecting new methods of…

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DOE announces $57M in new SBIR/STTR programs, $9.6M for ‘transformational energy”

By / September 15, 2010

Makani’s Airborne Wind Turbine (above) project is being funded by a new ARPA-E grant. Credit: Makani. Over the past few days, the DOE has announced nearly $67 million in new…

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Novel electrochemical strain microscopy developed to study Li-ion movement

By / September 14, 2010

According to a press release, Oak Ridge researchers have developed a new type of scanning probe microscopy called electrochemical strain microscopy that examines the movement of Li-ions through a battery’s…

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Carbon nanotube solar funnel as powerful solar array

By / September 13, 2010

This filament containing about 30 million carbon nanotubes absorbs energy from the sun as photons and then re-emits photons of lower energy, creating the fluorescence seen here. The red regions…

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Materials stories that also may be of interest

By / September 3, 2010

At the end of each week, I end up with a list of a bunch of stories I started to write about, or started to investigate or didn’t even get…

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Reversible silicon/silicon-oxide nanowire switch developed for 3D storage

By / September 2, 2010

A 5 nm silicon nanowire can be repeatedly broken and reconnected by applying a pulse of varying voltage through the silicon oxide, creating a two-terminal resistive switch. A chip with…

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Rustum Roy, 1924-2010

By / August 30, 2010

I just received the sad news that one of the legends of materials science and of science, in general, Rustum Roy, passed away last week. Although he was a stellar…

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Nano sandwiching method to improve transistors

By / August 30, 2010

Researchers at Polytechnic University (Hong Kong) demonstrated that sandwiching a simple layer of silver nanoparticles can significantly improve the performance of transistors found in consumer electronics. The findings were published…

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Quantum dots and microneedles: A possible new approach to diagnosing skin disease

By / August 30, 2010

Microneedles fabricated with two-photon polymerization:Credit: Royal Society of Chemistry I first covered ACerS member Roger Narayan’s work in the field of two-photon polymerization a little more than a year ago…

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