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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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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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Tracking microbial faecal pollution in water

Identifying faecal bacteria by their DNA

30-May-2017

In a project supported by the Austrian Science Fund FWF, the microbiologist Andreas Farnleitner is looking at new methods for analysing faecal pollution in water. Using DNA analytics, the scientist aims to develop comprehensive and simple methods to determine the extent and origin of faecal ...

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Fluorescence dyes from the pressure cooker

01-Feb-2017

The laboratory of Dr. Miriam M. Unterlass at the Institute of Materials Chemistry at TU Wien has just reported the synthesis of more than 20 different perylene bisimide dyes. This is not impressive per se. The way they prepare these compounds is though: Conventionally, perylene bisimides are ...

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Surface physics: How water learns to dance

23-Dec-2015

Perovskites are materials used in batteries, fuel cells, and electronic components, and occur in nature as minerals. Despite their important role in technology, little is known about the reactivity of their surfaces. Professor Ulrike Diebold's team at TU Wien (Vienna) has answered a long-standing ...

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Nanoscale one-way-street for light

15-Dec-2015

If light is able to propagate from left to right, the opposite direction is usually allowed as well. A beam of light can normally be sent back to its point of origin, just by reflecting it on a mirror. Researchers at TU Wien have developed a new device for breaking this rule. Just like in an ...

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Platinum and iron oxide work together

Its remarkable properties are not just due to the platinum, the iron-oxide also plays a role

17-Sep-2015

Platinum is a great catalyst and can be used for many different applications. It’s expensive stuff though, so tiny platinum nanoparticles sitting on cheap metal oxide materials are used to convert harmful carbon monoxide into carbon dioxide. Using scanning tunnelling microscopes, scientists at TU ...

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Novel Material Design for Undistorted Light Waves

Materials allow surprising new kinds of light waves

11-Aug-2015

When a light wave penetrates a material, it is usually changed drastically. Scattering and diffraction leads to a superposition of waves, resulting in a complicated pattern of darker and brighter light spots inside the material. In specially tailored materials, which can locally amplify or absorb ...

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Laser Pulse turns Glass into a Metal

27-Aug-2014

For tiny fractions of a second, quartz glass can take on metallic properties, when it is illuminated be a laser pulse. This has been shown by calculations at the Vienna University of Technology. The effect could be used to build logical switches which are much faster than today’s ...

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The Quantum Cheshire Cat

04-Aug-2014

Can neutrons be located at a different place than their own spin? A quantum experiment, carried out by a team of researchers from the Vienna University of Technology, demonstrates a new kind of quantum paradox. The Cheshire Cat featured in Lewis Caroll’s novel “Alice in Wonderland” is a ...

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