News tagged with silicon structure
New nanostructure for batteries keeps going and going
(Phys.org) -- For more than a decade, scientists have tried to improve lithium-based batteries by replacing the graphite in one terminal with silicon, which can store 10 times more charge. But after just a ...
May 11, 2012 |
4.8 / 5 (67) |
28
|
Group uses controlled cracking for nanofabrication
(Phys.org) -- When creating nanomaterials, cracking is generally considered a problem; it usually means something has gone wrong and the result, as with other material making processes such as glass or ceramics, ...
May 10, 2012 |
5 / 5 (1) |
0
|
'Tunable' metal nanostructures for fuel cells, batteries and solar energy
(PhysOrg.com) -- For catalysts in fuel cells and electrodes in batteries, engineers would like to manufacture metal films that are porous, to make more surface area available for chemical reactions, and highly ...
Nanotechnology / Nanomaterials
Apr 03, 2012 |
4.9 / 5 (8) |
3
|
Saving data in vortex structures: New physical phenomenon could drastically reduce computer energy consumption
A new phenomenon might make computing devices faster, smaller and much more energy-efficient. Moving so-called skyrmions needs 100,000 times smaller currents than existing technologies and the number of atoms ...
Feb 21, 2012 |
4.7 / 5 (13) |
1
|
How to build doughnuts with Lego blocks
Scientists have uncovered how nature minimises energy costs in rings of liquids with an internal nanostructure made of two chemically discordant polymers joined with strong bonds, or di-blocks, deposited on ...
Dec 21, 2011 |
5 / 5 (1) |
0
Butterfly wings inspire design of water-repellent surface
Researchers mimic the many-layered nanostructure of blue mountain swallowtail wings to make a silicon wafer that traps both air and light.
Nanotechnology / Nanomaterials
Nov 21, 2011 |
5 / 5 (2) |
0
|
Team develops method for creating 3D photonic crystals
Dutch researchers at the University of Twente's MESA+ research institute, together with ASML, TNO (the Netherlands Organisation for Applied Scientific Research) and TU/e (Eindhoven University of Technology) ...
Nov 07, 2011 |
5 / 5 (7) |
5
Nanomaterials: Pillars of the assembly
The ever-increasing demand for enhanced performance in electronic devices such as solar cells, sensors and batteries is matched by a need to find ways to make smaller electrical components. Several techniques ...
Nanotechnology / Nanomaterials
Sep 29, 2011 |
4 / 5 (2) |
1
A faster, cheaper method for making transistors and chips
(PhysOrg.com) -- It may soon be possible manufacture the miniscule structures that make up transistors and silicon chips rapidly and inexpensively. Swiss scientists are currently investigating the use of dynamic ...
Sep 26, 2011 |
4.6 / 5 (9) |
4
|
Microspiders: Polymerization reaction drives micromotors
(PhysOrg.com) -- Though it seems like science fiction, microscopic "factories" in which nanomachines produce tiny structures for miniaturized components or nanorobots that destroy tumor cells within the body ...
Sep 02, 2011 |
4.9 / 5 (7) |
0
|
SNS, HFIR experiments help refine thin-film solar cells
(PhysOrg.com) -- Solar cells that convert sunlight into electricity could be a widely used renewable energy source. Getting to that point, though, requires breakthroughs in their cost and their efficiency at turning sunbeams ...
Sep 02, 2011 |
not rated yet |
0
Researchers use electron beams for chemical reactions
Electron microscopes use focussed electron beams to make extremely small objects visible. By combining the instrument with a gas-injection system material samples can be manipulated and surface structures ...
Apr 13, 2011 |
4.5 / 5 (4) |
0
Laser pulses crystallize amorphous silicon, create nanostructured surface ideal for solar-cell applications
The importance of silicon for almost every element in modern-day electronic devices and computers is due largely to its crystalline atomic structure. Crystalline silicon, however, is much more expensive to ...
Mar 04, 2011 |
4.9 / 5 (7) |
1
Nano 'pin art': NIST arrays are step toward mass production of nanowires
NIST researchers grow nanowires made of semiconductors -- gallium nitride alloys -- by depositing atoms layer-by-layer on a silicon crystal under high vacuum. NIST has the unusual capability to produce these ...
Nanotechnology / Nanomaterials
Jul 30, 2010 |
4.5 / 5 (4) |
0
|
A pinch of light: Laser 'tweezers' for medicine, communications and harvesting energy
Star Trek fans will remember "tractor beams," lasers that allowed the Starship Enterprise to trap and move objects. Tel Aviv University is now turning this science fiction into science fact -- on a nano scale.
Jul 06, 2010 |
4.7 / 5 (11) |
0
|
