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290 Current news about the topic nanostructures

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Researchers analyzed circulating currents inside gold nanoparticles

A new method facilitates accurate analysis of magnetic field effects inside complex nanostructures

04-May-2021

Researchers in the Nanoscience Center of University of Jyvaskyla, in Finland and in the Guadalajara University in Mexico developed a method that allows for simulation and visualization of magnetic-field-induced electron currents inside gold nanoparticles. The method facilitates accurate analysis ...

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Direct observation of the ad- and desorption of guest atoms into a mesoporous host

New insights into energy materials

23-Apr-2021

Battery electrodes, storage devices for gases, and some catalyst materials have tiny functional pores that can accommodate atoms, ions, and molecules. How these guest atoms are absorbed into or released from the pores is crucial to understanding the porous materials' functionality. However, ...

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Tracking Topological Conditions in Graphene

How carbon-based nanostructures can get a new functionalit

20-Apr-2021

Scientists have already been able to demonstrate that graphene nanostructures can be generated by annealing of a nanostructured silicon carbide crystal for a few years. “These two-dimensional, spatially strongly restricted carbon bands exhibit a vanishingly small electrical resistance even at ...

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Transparent nanolayers for more solar power

Nanostructured material and a new cell design pave the way for the production of silicon solar cells with more than 26 percent efficiency

20-Apr-2021

There is no cheaper way to generate electricity today than with the sun. Power plants are currently being built in sunny locations that will supply solar electricity for less than two cents per kilowatt hour. Solar cells available on the market based on crystalline silicon make this possible with ...

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Energy transmission by gold nanoparticles coupled to DNA structures

Using DNA structures as scaffolds, Tim Liedl has shown that precisely positioned gold nanoparticles can serve as efficient energy transmitters

09-Apr-2021

Since the inception of the field in 2006, laboratories around the world have been exploring the use of ‘DNA origami’ for the assembly of complex nanostructures. The method is based on DNA strands with defined sequences that interact via localized base pairing. “With the aid of short strands with ...

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Electromagnetic Fields of Nanostructures Visualized in 3D for the First Time

30-Mar-2021

Researchers at Graz University of Technology (TU Graz) and the University of Graz, together with experts from France, have succeeded in imaging so-called surface phonons in three dimensions for the first time. The research success could accelerate the development of new, efficient ...

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Shining a light on nanoscale dynamics

Watching metamaterials at work in real time using ultrafast electron diffraction

26-Nov-2020

Physicists from the University of Konstanz, Ludwig-Maximilians-Universität München (LMU Munich) and the University of Regensburg have successfully demonstrated that ultrashort electron pulses experience a quantum mechanical phase shift through their interaction with light waves in nanophotonic ...

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Nanopatterns of proteins detected by cryo-electron microscopy

Nanostructures for electronics, catalysis, medicine

22-Oct-2020

A team from Helmholtz-Zentrum Berlin (HZB) used cryo electron microscopy to detect regular, two-dimensional structures in the form of Pascal triangles in a shock frozen protein material. The samples have been synthesized by a Chinese research group. The method of cryo electron microscopy has the ...

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Scientists create three-dimensional nanostructures using ion beams

For tomorrow’s computers

21-Oct-2020

Effects at the interface between magnetic and non-magnetic layers have been exploited for data storage for three decades. This has led to a steady increase in hard drive storage capacity and is one reason why researchers see potential for ushering data processing into a new era. One way these ...

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How to make perfect edges in 2D-materials

Researchers tailored the materials’ properties by using a “magic” chemical and founded a start-up company

20-Oct-2020

Ultrathin materials such as graphene promise a revolution in nanoscience and technology. Researchers at Chalmers University of Technology, Sweden, have now made an important advance within the field. In a recent paper in Nature Communications they present a method for controlling the edges of ...

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