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Tailored Polymers from a Printer

Efficient chain transfer for 3D-printing of tough photopolymers

10-Jul-2018

An ever-growing number of coatings, including varnishes and printing inks, as well as tooth fillings, are cured with light. Yet, homogenous, tailored, polymer networks cannot be produced, and the materials tend to be brittle, which limits the use of photopolymers in applications like 3D printing, ...

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Perfect Images: A High-Performance Microscope Dangling From Bungee Cords

Patented vibration damping system enables images of highest quality

10-Apr-2018

To produce images of individual atoms, a microscope shouldn't shake. A patented vibration damping system developed at the TU Wien enables images of the highest quality. It is one of the most accurate measurement instruments available today: the high-performance microscope at the Institute of ...

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Nanostructures made of previously impossible material

Incorporating high proportions of foreign atoms into crystals

07-Mar-2018

When you bake a cake, you can combine the ingredients in almost any proportions, and they will still always be able to mix together. This is a little more complicated in materials chemistry. Often, the aim is to change the physical properties of a material by adding a certain proportion of an ...

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An atom full of atoms

Exotic state of matter

26-Feb-2018

What is inside an atom, between the nucleus and the electron? Usually there is nothing, but why could there not be other particles too? If the electron orbits the nucleus at a great distance, there is plenty of space in between for other atoms. A "giant atom" can be created, filled with ordinary ...

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Quantum Recurrence: Everything Goes Back to the Way it was

26-Feb-2018

At some point, complex systems return almost exactly to their initial state. For the first time, this recurrence theorem has now been demonstrated with complex quantum many-body systems at TU Wien (Vienna). It is one of the most astonishing results of physics: when a complex system is left alone, ...

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Strange things happen when a crystal gets split in two

05-Feb-2018

When a crystal is broken along certain directions the atoms reorganize in amazing ways. Researchers in Vienna have watched this happen, and have learned to control it. The remarkable strength of ionic crystals is easily explained at the atomic scale: Positively and negatively charged atoms sit ...

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The Beam of Invisibility: New cloaking technology has been developed

A special kind of material is irradiated from above in such a way that another beam of light can pass completely uninhibited

14-Sep-2017

How do we make an object invisible? Researchers from TU Wien (Vienna), together with colleagues from Greece and the USA, have now developed a new idea for a cloaking technology. A completely opaque material is irradiated from above with a specific wave pattern – with the effect that light waves ...

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Microprocessors based on a layer of just three atoms

12-Apr-2017

Two-dimensional materials, or 2D materials for short, are extremely versatile, although - or often more precisely because - they are made up of just one or a few layers of atoms. Graphene is the best-known 2D material. Molybdenum disulphide (a layer consisting of molybdenum and sulphur atoms that ...

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Diamonds coupled using quantum physics

11-Apr-2017

Diamonds with minute flaws could play a crucial role in the future of quantum technology. For some time now, researchers at TU Wien have been studying the quantum properties of such diamonds, but only now have they succeeded in coupling the specific defects in two such diamonds with one another. ...

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Switching oxygen on and off

15-Mar-2017

Oxygen atoms are highly reactive, yet the world does not spontaneously burn, even though everything is surrounded by this aggressive element. Why? The reason is that normal O2 molecules, are not particularly reactive. At the Vienna University of Technology, it has now been possible to selectively ...

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