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Nanotechnology News – Latest Headlines

New discovery could pave the way for spin-based computing

Electricity and magnetism rule our digital world. Semiconductors process electrical information, while magnetic materials enable long-term data storage. A research team has discovered a way to fuse these two distinct properties in a single material, paving the way for new ultrahigh density storage and computing architectures.

Posted: Sep 25th, 2014

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Longstanding bottleneck in crystal structure prediction solved

The various patterns that atoms of a solid material can adopt, called crystal structures, can have a huge impact on its properties. Being able to accurately predict the most stable crystal structure for a material has been a longstanding challenge for scientists. Researchers calculated the lattice energy of benzene, a simple yet important molecule in pharmaceutical and energy research, to sub-kilojoule per mole accuracy - a level of certainty that allows polymorphism to be resolved.

Posted: Sep 25th, 2014

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Solar cell compound probed under pressure

Gallium arsenide a semiconductor composed of gallium and arsenic is well known to have properties that promise practical applications. In the form of nanowires it has particular potential for use in solar cell manufacture and optoelectronics in many of the same applications that silicon is commonly used. But its natural semiconducting ability requires tuning to make it more desirable for use in manufacturing. New work offers a novel approach to such tuning.

Posted: Sep 25th, 2014

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A prison for photons in a diamond-like photonic crystal

A novel type of reso­nant cavity serves as a prison for photons. The cavity confines light in all three dimensions in space inside a photonic crystal. The crystals have a struc­ture similar to how atoms are arranged in diamond gems.

Posted: Sep 25th, 2014

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Self-organized indium arsenide quantum dots for solar cells

Researchers exploit the self-organization of semiconducting nanocrystals by the Stranski-Krasnov (SK) mode of crystal growth for producing ordered, highly dense, and highly uniform quantum dots. This bottom-up approach yields much better results than the conventional photolithographic or top-down methods widely used for the fabrication of nanostructures.

Posted: Sep 25th, 2014

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