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49 Current news of TU Wien

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A Sandblaster at the Atomic Level

21-Sep-2021

From semiconductors to moon rocks: Many materials are treated with ion beams. A research group at TU Wien has now been able to explain how this process depends on the roughness of the surface. If you want to remove a layer of paint from a metal surface, you can use a sandblaster: Countless grains ...

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Anchoring single atoms

How can single atoms be used for catalysis? Researchers develop a new method to anchor single atoms to supports

01-Sep-2021

There is a dictum to “never change a running system”. New methods can however be far superior to older ones. While to date chemical reactions are mainly accelerated by catalytic materials that comprise several hundreds of atoms, the use of single atoms could provide a new approach for ...

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How ions get their electrons back

What happens when ions are passing through solid materials? It is nearly impossible to observe this directly, but scientists at TU Wien found a way to overcome this problem

17-Aug-2021

Very unusual atomic states are produced at TU Wien: Ions are created by removing not just one but 20 to 40 electrons from each atom. These “highly charged ions” play an important role in current research. For a long time, people have been investigating what happens when such highly charged ions ...

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The factory of the future speaks our language

In the future, artificial intelligence will monitor and maintain industrial plants. To do this, however, it must be able to understand human texts – TU Wien shows how this can be done

11-Aug-2021

The complexity of large industrial production plants is hardly manageable for a single person. In order to maintain, monitor and service an industrial production line, it therefore makes sense to rely on artificial intelligence (AI). There are different strategies for this. The most obvious would ...

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Using ultra-low temperatures to understand high-temperature superconductivity

A surprising discovery could help solve the riddle of high-temperature superconductivity

23-Jul-2021

At low temperatures, certain materials lose their electrical resistance and conduct electricity without any loss - this phenomenon of superconductivity has been known since 1911, but it is still not fully understood. And that is a pity, because finding a material that would still have ...

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The bitumen puzzle

Mix of methods provides new info

07-Jul-2021

Although the history of bitumen dates back to the third millennium BC, only little is known about its surface structure. Researchers from TU Wien are now shedding light on the nature of the bitumen surface using physicochemical analyses. While atomic force microscopy and scanning electron ...

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Exotic superconductors: The Secret that wasn’t there

New measurements show: An allegedly sensational effect does not exist at all

23-Jun-2021

A single measurement result is not a proof - this has been shown again and again in science. We can only really rely on a research result when it has been measured several times, preferably by different research teams, in slightly different ways. In this way, errors can usually be detected sooner ...

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Nanoparticles: The Complex Rhythm of Chemistry

Nanoparticles are often used as catalysts. The chemical reactions on their surface are more complex than previously thought

26-May-2021

Most of commercial chemicals are produced using catalysts. Usually, these catalysts consist of tiny metal nanoparticles that are placed on an oxidic support. Similar to a cut diamond, whose surface consists of different facets oriented in different directions, a catalytic nanoparticle also ...

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New quantum material discovered

A research team came across a surprising form of "quantum criticality". This could lead to a design concept for new materials

26-May-2021

In everyday life, phase transitions usually have to do with temperature changes – for example, when an ice cube gets warmer and melts. But there are also different kinds of phase transitions, depending on other parameters such as magnetic field. In order to understand the quantum properties of ...

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How acidic are atoms?

Precisely understand and improve chemical properties of surfaces

30-Apr-2021

The acidity of molecules can be easily determined, but until now it was not possible to measure this important property for atoms on a surface. With a new microscopy technique from the Vienna University of Technology (TU Wien), this has now been achieved. The degree of acidity or alkalinity of a ...

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