News tagged with deposition
New 'finFETs' promising for smaller transistors, more powerful chips
Nov 10, 2009 |
4.9 / 5 (14) |
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(PhysOrg.com) -- Purdue University researchers are making progress in developing a new type of transistor that uses a finlike structure instead of the conventional flat design, possibly enabling engineers ...
Airborne nitrogen shifts aquatic nutrient limitation in pristine lakes
Space & Earth / Earth Sciences
Nov 05, 2009 |
3.3 / 5 (4) |
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The impact of airborne nitrogen released from the burning of fossil fuels and wide-spread use of fertilizers in agriculture is much greater that previously recognized and even extends to remote alpine lakes, ...
Diverting Sediment-rich Water Below New Orleans Could Lead to Extensive New Land
Oct 20, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- Diverting sediment-rich water from the Mississippi River below New Orleans could generate new land in the river's delta in the next century.
Quantum Computer Chips Now One Step Closer To Reality
Oct 15, 2009 |
4.6 / 5 (16) |
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In the quest for smaller, faster computer chips, researchers are increasingly turning to quantum mechanics -- the exotic physics of the small. The problem: the manufacturing techniques required to make quantum devices have ...
Laser processes promise better artificial joints, arterial stents
Sep 15, 2009 |
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Researchers are developing technologies that use lasers to create arterial stents and longer-lasting medical implants that could be manufactured 10 times faster and also less expensively than is now possible.
Researchers simplify fabrication of nano storage, chip-design tools
Sep 09, 2009 |
4.7 / 5 (7) |
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Advances by the Rice University lab of James Tour have brought graphite's potential as a mass data storage medium a step closer to reality and created the potential for reprogrammable gate arrays that could ...
Aluminum-oxide nanopore beats other materials for DNA analysis
Nanotechnology / Nanomaterials
Jun 02, 2009 |
4 / 5 (2) |
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Fast and affordable genome sequencing has moved a step closer with a new solid-state nanopore sensor being developed by researchers at the University of Illinois.
GaAs self-assembled nanowires could make chips smaller and faster
Apr 20, 2009 |
4.4 / 5 (5) |
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(PhysOrg.com) -- Researchers at the University of Illinois have found a new way to make transistors smaller and faster. The technique uses self-assembled, self-aligned, and defect-free nanowire channels made ...
Light-activated antibacterial coating is new weapon in fight against hospital-acquired infections
Mar 31, 2009 |
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A new hard coating with antibacterial properties that has been tested by researchers at the UCL Eastman Dental Institute has been shown to kill 99.9% of Escherichia coli bacteria when a white hospital light was shone on its ...
Dust deposited in oceans may carry elements toxic to marine algae
Space & Earth / Earth Sciences
Mar 09, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- Dust blown off the continents and deposited in the open ocean is an important source of nutrients for marine phytoplankton, the tiny algae that are the foundation of the ocean food web. But ...
'Voltage Patterning' could be next step in nanostructure lithography
Mar 02, 2009 |
4 / 5 (15) |
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(PhysOrg.com) -- "What you want these days is to have precise control of nanostructures. Using masks and optical techniques, it is possible to control how nanostructures grow for use in practical applications," David Field ...
Self-aligning carbon nanotubes could be key to next generation of devices
Nanotechnology / Nanomaterials
Feb 25, 2009 |
5 / 5 (6) |
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(PhysOrg.com) -- Scientists and engineers the world over have thought for years that the next generation of smaller, more-efficient electronic and photonic devices could be based on the use of carbon nanotubes, ...
Invasive plants challenge scientists in face of environmental change
Jan 13, 2009 |
3 / 5 (2) |
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Managing invasive plant species on the Great Plains has become more challenging in recent years in the face of human-caused environmental change, including the positive responses of invaders to altered atmospheric chemistry ...
Organic soils continue to acidify despite reduction in acidic deposition
Jan 12, 2009 |
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Following the Clean Air Act Amendments of 1970 and 1990 acidic deposition in North America has declined significantly since its peak in 1973. Consequently, research has shifted from studying the effects of acidic deposition ...
Acid soils in Slovakia tell somber tale
Space & Earth / Earth Sciences
Nov 17, 2008 |
3 / 5 (4) |
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Increasing levels of nitrogen deposition associated with industry and agriculture can drive soils toward a toxic level of acidification, reducing plant growth and polluting surface waters, according to a new study published ...
