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Coupling of Single Quantum Dots to Smooth Metal Films

Scientists at Argonne National Laboratory's CNM Nanophotonics Group have measured how light emission from individual colloidal semiconductor nanocrystals, or quantum dots, is modified when in proximity...

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Chemist creates trapping technique for nanoparticles

(PhysOrg.com) -- A chemist at the University of Wisconsin-Milwaukee (UWM) has developed a kind of invisible fence for trapping and controlling particles as small as a single virus or large protein.

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Breakthrough with light could help viral research

(PhysOrg.com) -- Researchers have developed a method using the force of light to gently trap, manipulate and study tiny, active objects as miniscule as viruses -- opening doors to expanded viral research.

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Mechanical devices stamped on plastic

(PhysOrg.com) -- Microelectromechanical devices -- tiny machines with moving parts -- are everywhere these days: they monitor air pressure in car tires, register the gestures of video game players, and...

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Physicists study mechanics of 'crackling'

(PhysOrg.com) -- Everywhere around us, things "crackle" -- from Rice Krispies in a puddle of milk, to crumpled pieces of paper, to the Earth's crust from earthquakes. Physics is helping us understand...

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Singapore researchers invent broadband graphene polarizer

Researchers at the National University of Singapore have invented a graphene-based polarizer that can broaden the bandwidth of prevailing optical fiber-based telecommunication systems.

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Blocked holes can enhance rather than stop light going through

Conventional wisdom would say that blocking a hole would prevent light from going through it, but Princeton University engineers have discovered the opposite to be true. A research team has found that...

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New nano-research leads to sensors that detect contaminants in water

(Phys.org) -- Many organic contaminants in the air and in drinking water need to be detected at very low-level concentrations. Research published by the laboratory of Prashant V. Kamat, the John A....

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Making efficient color filter for display applications

Flat panel displays, mobile phones and many digital devices require thin, efficient and low-cost light-emitters for applications. The pixels that make up the different colors on the display are...

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Less wear, longer life for memory storage device

Probe storage devices read and write data by making nanoscale marks on a surface through physical contact. The technology may one day extend the data density limits of conventional magnetic and optical...

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Optical-sensing device may lead to quicker, more efficient diagnostics

A twist on thin-film technology may provide a way to optically detect and analyze multiple substances simultaneously, leading to quicker diagnostics in such industries as health care and homeland...

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Improved adhesion and patterning of plated metal thin film by light irradiation

Researchers from the National Institute of Advanced Industrial Science and Technology (AIST) have found that when a metal thin film formed by electroless plating on a plastic substrate is irradiated...

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A new way to make sheets of graphene

Graphene's promise as a material for new kinds of electronic devices, among other uses, has led researchers around the world to study the material in search of new applications. But one of the biggest...

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Expert shares fundamental discoveries of water's behavior on metals

Previous research into the behavior of water films, specifically molecularly thin ice films on metals, has left many fundamental questions unresolved, questions Sandia National Laboratories' Dr. Konrad...

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Researching niobium gilding in bid for better beams

For thousands of years, craftsmen have applied gilding, a thin layer of gold, to objects to enhance their value. Now, researchers at DOE's Jefferson Lab are using this same idea to enhance materials...

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Elpida uses high-K metal gate technology to develop 2-gigabit DDR2 mobile RAM

Elpida Memory, Japan's leading global supplier of Dynamic Random Access Memory (DRAM), today announced the DRAM industry's first-ever use of high-k metal gate (HKMG) technology to develop a 2-gigabit...

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Nanowire-based sensors offer improved detection of volatile organic compounds

(PhysOrg.com) -- A team of researchers from the National Institute of Standards and Technology (NIST), George Mason University and the University of Maryland has made nano-sized sensors that detect...

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Antennas in your clothes? New design could pave the way

(PhysOrg.com) -- The next generation of communications systems could be built with a sewing machine.

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Research team develops high performance flexible solid state battery

The Korean team of Professor Keon Jae Lee from the Department of Materials Science and Engineering, KAIST has developed a high performance flexible all-solid-state battery, an essential energy source...

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Researchers spray-paint ultrathin coatings that change color with only a few...

In Harvard's Pierce Hall, the surface of a small germanium-coated gold sheet shines vividly in crimson. A centimeter to the right, where the same metallic coating is literally only about 20 atoms...

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