News tagged with properties
Atomtronic transistor and diode could advance quantum computing
Oct 09, 2009 |
4.6 / 5 (24) |
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(PhysOrg.com) -- What if atoms could be used to perform the functions currently the province of electronic devices? The goal of atomtronics is to do just that by creating analogues to the common items found in electronic ...
Reversals of Earth's Magnetic Field Explained by Small Core Fluctuations
Apr 23, 2009 |
4.7 / 5 (42) |
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(PhysOrg.com) -- Based on studies of old volcanic basalt, scientists know that the Earth’s magnetic field reverses at irregular intervals, ranging from tens of thousands to millions of years. Volcanic basalt ...
Spacetime May Have Fractal Properties on a Quantum Scale
Mar 25, 2009 |
4.8 / 5 (54) |
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(PhysOrg.com) -- Usually, we think of spacetime as being four-dimensional, with three dimensions of space and one dimension of time. However, this Euclidean perspective is just one of many possible multi-dimensional ...
Infrared Nanotube Films Offer Advantages for Solar Cells and More
Mar 11, 2009 |
4.5 / 5 (11) |
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(PhysOrg.com) -- Researchers have already known that carbon nanotube thin films have mechanical and conductive advantages that could make them useful as electrodes in solar cells, solid state lighting, and ...
Nanochemistry in Action
Nanotechnology / Nanomaterials
Mar 06, 2009 |
3.8 / 5 (6) |
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(PhysOrg.com) -- Using a single-walled carbon nanotube (SWCNT) as a test tube, scientists can explore chemistry at the nanoscale, which involves some unique effects. Nanotubes provide a confined, one-dimensional ...
Self-Programming Hybrid Memristor/Transistor Circuit Could Continue Moore's Law
Feb 26, 2009 |
4.5 / 5 (42) |
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(PhysOrg.com) -- As researchers strive to increase the density and functionality of circuit elements onto computer chips, one newer option they have is a memory resistor (or “memristor”), the fourth passive ...
Physicists working up from atoms to Schrodinger's cat
Jan 28, 2009 |
4.2 / 5 (19) |
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(PhysOrg.com) -- Schrodinger's cat, a macroscopic object that is both alive and dead at the same time, illustrates the strangeness of quantum mechanics. While such quantum properties have been widely observed for electrons ...
Gallium nitride transistor could replace silicon
Dec 08, 2009 |
4.7 / 5 (36) |
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(PhysOrg.com) -- A Cornell researcher has created an extremely efficient transistor made from gallium nitride, which may soon replace silicon as king of semiconductors for power applications.
Small optical force can budge nanoscale objects
Nov 17, 2009 |
4.9 / 5 (14) |
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(PhysOrg.com) -- Engineering researchers have used a very tiny beam of light with as little as 1 milliwatt of power to move a silicon structure up to 12 nanometers.
Accidental discovery produces durable new blue pigment for multiple applications
Nov 16, 2009 |
4.5 / 5 (33) |
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An accidental discovery in a laboratory at Oregon State University has apparently solved a quest that over thousands of years has absorbed the energies of ancient Egyptians, the Han dynasty in China, Mayan ...
Scientists develop DNA origami nanoscale breadboards for carbon nanotube circuits
Nanotechnology / Nanomaterials
Nov 10, 2009 |
5 / 5 (7) |
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In work that someday may lead to the development of novel types of nanoscale electronic devices, an interdisciplinary team of researchers at the California Institute of Technology has combined DNA's talent ...
Researchers invent new method for graphene growth
Nanotechnology / Nanomaterials
Nov 10, 2009 |
4.9 / 5 (23) |
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(PhysOrg.com) -- A Cornell research team has invented a simple way to make graphene electrical devices by growing the graphene directly onto a silicon wafer.
How Size Matters For Catalysts: Study Links Size, Activity, Electronic Properties
Nanotechnology / Nanomaterials
Nov 05, 2009 |
3.7 / 5 (3) |
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(PhysOrg.com) -- University of Utah chemists demonstrated the first conclusive link between the size of catalyst particles on a solid surface, their electronic properties and their ability to speed chemical ...
Physicists discover novel electronic properties in two-dimensional carbon structure
Oct 14, 2009 |
4.8 / 5 (11) |
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Rutgers researchers have discovered novel electronic properties in two-dimensional sheets of carbon atoms called graphene that could one day be the heart of speedy and powerful electronic devices.
Puzzled Physicists Solve Decade-Long Discrepancies
Oct 09, 2009 |
4.2 / 5 (31) |
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(PhysOrg.com) -- A team led by physicists at the Science and Technology Facilities Council (STFC) and Brookhaven National Laboratory (BNL) have resolved a decade-long puzzle that is set to have huge implications ...
