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How to fire projectiles through materials without breaking anything

It sounds a bit like a magic trick

29-Nov-2022

When charged particles are being shot through ultra-thin layers of material, sometimes spectacular micro-explosions occur, sometimes the material remains almost intact. This has now been explained at the TU Wien. It sounds a bit like a magic trick: Some materials can be shot through with fast, ...

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Ceramic coatings do not fatigue

What determines the durability of high-performance coatings? Surprising results show: It is not material fatigue

18-Nov-2022

Extremely thin ceramic coatings can completely change the properties of technical components. Coatings are used, for example, to increase the resistance of metals to heat or corrosion. Coating processes play a role for large turbine blades as well as for extremely stressed tools in production ...

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Faster and more Efficient Computer Chips Thanks to Germanium

10-Nov-2022

TU Wien (Vienna) has succeeded in making a new type of material usable for chip technology. This enables faster, more efficient computers and new types of quantum devices. Our current chip technology is largely based on silicon. Only in very special components a small amount of germanium is ...

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Topological Materials Become Switchable

Worldwide search for exciting applications

11-Oct-2022

Because they are extremely stable, so-called "topological states" play an important role in materials research. Now, for the first time, it has been possible to switch such states on and off. A donut is not a breakfast roll. Those are two very clearly distinguishable objects: One has a hole, the ...

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Three Eyes See More than Two - monitoring a catalytic reaction with three different microscopies under exactly the same conditions in real time

Information is obtained that none of the methods alone could reveal

30-Sep-2022

One has to look very closely to exactly understand what processes take place on the surfaces of catalysts. Solid catalysts are often finely structured materials made of tiny crystals. There are various microscopies to monitor chemical processes on such surfaces – they use, for example, ...

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Designing New Quantum Materials on the Computer

"All indications are that we have found a robust way to identify materials that have the features we want"

22-Sep-2022

A new design principle can now predict the properties of quantum materials that have hardly been explored so far. For the first time, a strongly correlated topological semimetal has been discovered using a computer. How do you find novel materials with very specific properties - for example, ...

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Recycling Greenhouse Gases

Novel perovskite catalysts could be used wherever methane and carbon dioxide are produced simultaneously

05-Sep-2022

CO2 and methane can be turned into valuable products. But until now the catalysts required for such reactions quickly lose their effectiveness. TU Wien has now developed more stable alternatives. Wherever the production of harmful greenhouse gases cannot be prevented, they should be converted ...

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Miniaturized Lab-on-a-Chip for real-time Chemical Analysis of Liquids

A fingertip-sized chip replaces bulky laboratory equipment: The possible applications are extremely diverse

01-Sep-2022

An infrared sensor has been developed at TU Wien (Vienna) that analyses the content of liquids within the fraction of a second. In analytical chemistry, it is often necessary to accurately monitor the concentration change of certain substances in liquids on a time scale of seconds. Especially in ...

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The electron slow motion: How do different materials react to the impact of ions?

Femtosecond journey through graphene

23-Aug-2022

When ions penetrate a material, highly complex processes take place - so fast that they could hardly be analyzed until now. But sophisticated measurements have now made it possible. How do different materials react to the impact of ions? This is a question that plays an important role in many ...

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A Molecule of Light and Matter

Using light, atoms can be made to attract each other

04-Aug-2022

A very special bonding state between atoms has been created in the laboratory for the first time: With a laser beam, atoms can be polarised so that they are positively charged on one side and negatively charged on the other. This makes them attract each other creating a very special bonding ...

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