The transistor is the ultimate on-off switch. When a voltage is applied to the surface of a semiconductor, current flows; when the voltage is reversed, current is blocked. Researchers have tried for decades to replicate these ...
Condensed Matter
Feb 8, 2013
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(PhysOrg.com) -- A class of decorative, flower-like defects in the nanomaterial graphene could have potentially important effects on the material's already unique electrical and mechanical properties, according to researchers ...
Nanophysics
May 25, 2011
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(PhysOrg.com) -- By controlling the layered growth of graphene - a relatively "new" form of carbon that's just a single atom thick - researchers at Brookhaven National Laboratory have uncovered intriguing details about the ...
Nanophysics
Apr 2, 2010
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(PhysOrg.com) -- Scientists have found a way to distort the atomic arrangement and change the magnetic properties of an important class of electronic materials with ultra-short pulses of terahertz (mid-infrared) laser light ...
General Physics
Feb 1, 2012
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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 produce than its ...
Optics & Photonics
Mar 4, 2011
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Magnetism and electricity are two of the fundamental forces of nature. Combining them in a single multiferroic material in which one controls the other is not only of basic interest, but also relevant for practical applications. ...
Condensed Matter
Feb 22, 2013
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1
A team of researchers has built an intelligent sensor—the size of about 1/1000 of the cross-section of a human hair—that can simultaneously detect the intensity, polarization and wavelength of light, tapping into the ...
Optics & Photonics
May 17, 2022
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294
Researchers at Delft University of Technology, led by assistant professor Richard Norte, have unveiled a remarkable new material with potential to impact the world of material science: amorphous silicon carbide (a-SiC). Beyond ...
Nanophysics
Nov 2, 2023
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171
Wouldn't it be convenient if you could reverse the rusting of your car by shining a bright light on it? It turns out that this concept works for undoing oxidation on copper nanoparticles, and it could lead to an environmentally ...
Materials Science
Mar 28, 2013
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Diamonds are often prized for their flawless shine, but Chong Zu, an assistant professor of physics in Arts & Sciences at Washington University in St. Louis, sees a deeper value in these natural crystals. As reported in Physical ...
Quantum Physics
Oct 2, 2023
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