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130 matches found for "quantum dots"

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Researchers Create Entangled Photons from Quantum Dots

Now, physicists at the Joint Quantum Institute (JQI), a collaborative organization of the National Institute of Standards and Technology (NIST) and the University of Maryland, have developed a promisi...

Physics and Astronomy | nachricht Read more
JQI researchers create entangled photons from quantum dots

Now, physicists at the Joint Quantum Institute (JQI), a collaborative organization of the National Institute of Standards and Technology (NIST) and the University of Maryland, have developed a promisi...

Physics and Astronomy | nachricht Read more
Transforming Nanowires Into Nano-Tools Using Cation Exchange Reactions

The research team, using only chemical reactants, transformed semiconducting nanowires into a variety of useful, nanoscale materials including nanoscale metal strips with periodic stripes and semicond...

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Physicists Create First Atomic-scale Map of Quantum Dots

Quantum dots---often called artificial atoms or nanoparticles---are tiny semiconductor crystals with wide-ranging potential applications in computing, photovoltaic cells, light-emitting devices and ot...

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U-M physicists create first atomic-scale map of quantum dots

Quantum dots—often called artificial atoms or nanoparticles—are tiny semiconductor crystals with wide-ranging potential applications in computing, photovoltaic cells, light-emitting devices and other ...

Physics and Astronomy | nachricht Read more
Graphitic memory techniques advance at Rice

Advances by the Rice University lab of James Tour have brought graphite’s potential as a mass data storage medium a step closer to reality and created the potential for reprogrammable gate arrays that...

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Ben-Gurion University of the Negev develops thin films showing promise for solar applications

The films were synthesized at BGU by Prof. Yuval Golan and PhD student Anna Osherov of the Department of Materials Engineering and the Ilse Katz Institute for Nanoscale Science and Technology. The let...

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New ultrasensitive electronic sensor array speeds up DNA detection

A novel electronic sensor array for more rapid, accurate and cost-efficient testing of DNA for disease diagnosis and biological research has been developed by scientists at Singapore's Institute ...

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New DNA Test Uses Nanotechnology to Find Early Signs of Cancer

This test, which detects both the presence and the quantity of certain DNA changes, could alert people who are at risk of developing the disease and could tell doctors how well a particular cancer tre...

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Phase-stable Two-dimensional Spectroscopy

Optical spectroscopy in general can be used to analyze structures on an atomic level. Coherent two-dimensional (2D) spectroscopy yields information about the temporal evolution and coupling in the mol...

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NIST Develops Novel Ion Trap for Sensing Force and Light

Miniature devices for trapping ions (electrically charged atoms) are common components in atomic clocks and quantum computing research. Now, a novel ion trap geometry demonstrated at the Natio...

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Lasers can lengthen quantum bit memory by 1,000 times

These precarious bits, formed in this case by arrays of semiconductor quantum dots containing a single extra electron, are easily perturbed by magnetic field fluctuations from the nuclei of the atoms ...

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Major Breakthrough in Early Detection and Prevention of AMD

The marker, a receptor known as CCR3, shows strong potential as a means for both the early detection of the disease and for preventive treatment. The findings were reported in an article published onl...

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Controllable double quantum dots and Klein tunnelling in nanotubes

This was made possible by a new approach for producing ultraclean nanotubes. Moreover, the team of researchers, under the leadership of Spinoza winner Leo Kouwenhoven, discovered a new sort of tunnell...

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Nanoneedle is small in size, but huge in applications

“Nanoneedle-based delivery is a powerful new tool for studying biological processes and biophysical properties at the molecular level inside living cells,” said Min-Feng Yu, a professor of mechanical ...

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