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'Hybrid' semiconductors show zero thermal expansion; Could lead to hardier electronics
12-19-2007 · EurekAlert!The fan in your computer is there to keep the microprocessor chip from heating to the point where its component materials start to expand, inducing cracks that interrupt the flow of electricity -- and not incidentally, ruin the chip. Thermal expansion can also separate semiconducting materials from the substrate, reduce performance through changes in the electronic structure of the material or warp the delicate structures that emit laser light.
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Keywords: hybrid, semiconductors, show, thermal, expansion, lead, hardier, electronics, semiconductor, electronic
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03-25-2007 · EurekAlert!
Despite the attractive electrical properties and physical features of single-walled carbon nanotubes, incorporating them into scalable integrated circuits has proven to be a challenge because of difficulties in manipulating and positioning these molecular scale objects and in achieving sufficient current outputs.Researchers have now developed an approach that uses dense arrays of aligned and linear nanotubes as a thin-film semiconductor material suitable for integration into electronic devices.
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- NRL generates, modulates, and electrically detects pure spin currents in silicon
12-03-2007 · EurekAlert!
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10-27-2006 · EurekAlert!
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- New therapeutic target for Alzheimer's could lead to drugs without side effects
02-26-2007 · EurekAlert!
New research from Rockefeller University, published in the Feb. 26 online edition of Proceedings of the National Academy of Sciences, has identified a therapeutic target, called casein kinase 1, that may be the key to halting the course of the disease. The findings, based on studies in mammalian cells, show that chemicals that block casein kinase 1 don't interfere with a closely connected essential pathway.
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- Computerized doctors' orders reduce medication errors
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- Toward world's smallest radio: nano-sized detector turns radio waves into music
10-17-2007 · EurekAlert!
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