(Phys.org)—Quantum dots are semiconductor crystals that contain a few hundred atoms constrained into such a small space they're considered zero-dimensional objects, often called "artificial atoms." Researchers ...
Sep 19, 2012
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(PhysOrg.com) -- Finding a simple, scalable way to pattern graphene for future electronics applications is one of the biggest challenges facing graphene researchers. While lithography has been widely used ...
Feb 23, 2012
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(PhysOrg.com) -- By taking advantage of the unique optical properties of nanoscale materials, researchers have designed a lens made of nanowires that can reconfigure its imaging properties without any electronic ...
Oct 11, 2011
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“A nanoimprint method has already been achieved in nanopatterning with a high resolution using negative type photoresist,” Kosei Ueno tells PhysOrg.com. Ueno is a scientist at Hokkaido University in Sapporo, Japan, ...
Aug 04, 2011
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(PhysOrg.com) -- "Several groups have been using direct laser writing since the end of the 1990s," Michael Thiel tells PhysOrg.com. Thiel is a scientist has been working at the Karlsruhe Institute of Technology ...
Dec 16, 2010
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(PhysOrg.com) -- As RFID tags are becoming more widespread for tracking and identifying almost anything, researchers are continuing to develop cheap, ultralow-power memory devices for these applications. In ...
Aug 26, 2010
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(PhysOrg.com) -- “Most current hard x-ray interferometers are based on crystals, which require their high quality and high mechanical stability,” Anatoly Snigirev tells PhysOrg.com. “This can make x-ray interferometry quite ...
Aug 13, 2009
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(PhysOrg.com) -- “In photonic crystals, the ability to control the structure of a material in full three dimensional space, allows you to control the way that light flows through it,” John Rogers tells PhysOrg.com. “Thi ...
Jan 21, 2009
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(Phys.org) —New optical technologies using "metasurfaces" capable of the ultra-efficient control of light are nearing commercialization, with potential applications including advanced solar cells, computers, ...
Mar 14, 2013
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Using the geometric and material properties of a unique nanostructure, Boston College researchers have uncovered a novel photonic effect where surface plasmons interact with light to form "plasmonic halos" ...
Feb 07, 2013
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(Phys.org)—The normal process for printing is centuries old, a piece of material such as wood is fashioned to look like the desired output, a letter of the alphabet, for example resulting in a stamp. Ink ...
Sep 21, 2012
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The overwhelming majority of proteins and other functional molecules in our bodies display a striking molecular characteristic: They can exist in two distinct forms that are mirror images of each other, like ...
May 08, 2012
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Researchers in applied physics have cleared an important hurdle in the development of advanced materials, called metamaterials, that bend light in unusual ways.
Mar 08, 2012
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(PhysOrg.com) -- Researchers from the NIST Center for Nanoscale Science and Technology and the University of British Columbia have shown that the interaction between a light pulse and a light-absorbing object, including the ...
Dec 29, 2011
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For 50 years, the transistors on computer chips have been getting smaller, and for 50 years, manufacturers have used the same technique -- photolithography — to make their chips. But the very wavelength ...
Jun 30, 2011
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