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268 Current news about the topic nanostructures

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Analytical tool designs corkscrew-shaped nano-antennae

Save time using maths

26-Aug-2019

For the first time, an HZB team has derived analytically how corkscrew-shaped nano-antennas interact with light. The mathematical tool can be used to calculate the geometry that a nano-antenna must have for specific applications in sensor technology or information technology. The nanostructures ...

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How do atoms vibrate in graphene nanostructures?

Innovative new electron spectroscopy technique pushes the limits of Nanospectroscopy for materials design

14-Aug-2019

In order to understand advanced materials like graphene nanostructures and optimize them for devices in nano-, opto- and quantum-technology it is crucial to understand how phonons – the vibration of atoms in solids – influence the materials’ properties. Researchers from the University of Vienna, ...

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Heat transport through single molecules

International team of researchers with participation of the University of Konstanz achieves breakthrough in the area of heat transport at molecular scales

22-Jul-2019

Combining novel theoretical and experimental approaches, researchers from the University of Michigan (USA), Kookmin University (South Korea), the University of Konstanz (Germany) and the Okinawa Institute of Science and Technology Graduate University (Japan) have successfully measured and ...

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Trapped light particles: Physicists use nanostructures to free photons for highly efficient white OLEDs

15-Jul-2019

Thanks to intensive research in the past three decades, organic light-emitting diodes (OLEDs) have been steadily conquering the electronics market - from OLED mobile phone displays to roll-out television screens, the list of applications is long. Current OLED research focuses in particular on ...

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Researchers discover semiconducting nanotubes that form spontaneously

10-Jul-2019

If scientists could find a way to control the process for making semiconductor components on a nanometric scale, they could give those components unique electronic and optical properties - opening the door to a host of useful applications. Researchers at the Laboratory of Microsystems, in EPFL's ...

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Zips on the nanoscale

New method of synthesising nanographene on metal oxide surfaces

04-Mar-2019

Nanostructures based on carbon are promising materials for nanoelectronics. However, to be suitable, they would often need to be formed on non-metallic surfaces, which has been a challenge – up to now. Researchers at FAU have found a method of forming nanographenes on metal oxide surfaces. Their ...

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New 'chemical noses' to rid the environment of industrial pollutants

11-Feb-2019

Scientists from five European countries have joined forces to develop next-generation 'chemical noses' to remove industrial pollutants from the environment. The European Commission allocated 2.9 million euros to finance the Horizon2020 FET-OPEN project INITIO that will bring together researchers ...

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Broadband achromatic metalens focuses light regardless of polarization

New design doubles the efficiency of the metalens

23-Jan-2019

We live in a polarized world. No, we aren't talking about politics -- we're talking about light. Much of the light we see and use is partially polarized, meaning its electric field vibrates in specific directions. Lenses designed to work across a range of applications, from phone cameras to ...

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Carrying and releasing nanoscale cargo with 'nanowrappers'

Nanocubes for biomedicine, catalysis and beyond

08-Jan-2019

This holiday season, scientists at the Center for Functional Nanomaterials (CFN)--a U.S. Department of Energy Office of Science User Facility at Brookhaven National Laboratory--have wrapped a box of a different kind. Using a one-step chemical synthesis method, they engineered hollow metallic ...

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Meta-surface corrects for chromatic aberrations across all kinds of lenses

Single-layer surface of nanostructures can be incorporated into commercial optical systems

23-Nov-2018

Today's optical systems -- from smartphone cameras to cutting-edge microscopes -- use technology that hasn't changed much since the mid-1700s. Compound lenses, invented around 1730, correct the chromatic aberrations that cause lenses to focus different wavelengths of light in different spots. ...

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