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Physics - Electroengineering - 14.09.2020
Physicists Discover New Magnetoelectric Effect
Physicists Discover New Magnetoelectric Effect
In a very unusual way, the electrical and magnetic properties of a particular crystal are linked together - the phenomenon was discovered and explained at TU Wien (Vienna). Electricity and magnetism are closely related: Power lines generate a magnetic field, rotating magnets in a generator produce electricity.

Materials Science - Electroengineering - 13.07.2020
New Materials for Extra Thin Computer Chips
New Materials for Extra Thin Computer Chips
For a long time, something important has been neglected in electronics: If you want to make electronic components smaller and smaller, you also need the right insulator materials. Ever smaller and ever more compact - this is the direction in which computer chips are developing, driven by industry. This is why so-called 2D materials are considered to be the great hope: they are as thin as a material can possibly be, in extreme cases they consist of only one single layer of atoms.

Life Sciences - Electroengineering - 26.05.2020
Novel Electric Impulses Relieve the Pain
Novel Electric Impulses Relieve the Pain
Stimulating the vagus nerve in the ear can help relieving chronic pain. TU Wien and MedUni Vienna have developed novel, sophisticated methods for electric stimulation of the vagus nerve. The vagus nerve plays an important role in our body. It consists of various fibres, some of which connect to the internal organs, but the vagus nerve can also be found in the ear.

Physics - Electroengineering - 26.06.2019
Researchers observe shortest magnetic event
Researchers observe shortest magnetic event
For the first time ever, physicists have been able to change the magnetic moment of a material using a light wave within one femtosecond - the fastest magnetic event ever observed. Additional pictures for download at the end of the text Electronic properties of materials can be directly influenced via light absorption in under a femtosecond (10 -15 seconds), which is regarded as the limit of the maximum achievable speed of electronic circuits.

Physics - Electroengineering - 21.02.2019
How to Freeze Heat Conduction
How to Freeze Heat Conduction
Physicists have discovered a new effect, which makes it possible to create excellent thermal insulators which conduct electricity. Such materials can be used to convert waste heat into electrical energy. Every day we lose valuable energy in the form of waste heat - in technical devices at home, but also in large energy systems.

Physics - Electroengineering - 21.11.2018
First diode for magnetic fields
First diode for magnetic fields
Innsbruck quantum physicists have constructed a diode for magnetic fields and then tested it in the laboratory. The device, developed by the research groups led by the theorist Oriol Romero-Isart and the experimental physicist Gerhard Kirchmair, could open up a number of new applications. Electric diodes are essential electronic components that conduct electricity in one direction but prevent conduction in the opposite one.

Physics - Electroengineering - 16.01.2018
Using electricity to switch magnetism
Using electricity to switch magnetism
At TU Wien, a major step has been taken towards linking electrical and magnetic material properties, which is crucial for possible applications in electronics. It's not exactly a new revelation that electricity and magnetism are closely linked. And yet, magnetic and electrical effects have been studied separately for some time now within the field of materials science.

Physics - Electroengineering - 19.12.2017
A particle like slow light
A particle like slow light
A remarkable discovery was made at TU Wien recently, when particles known as 'Weyl fermions' were discovered in materials with strong interaction between electrons. Just like light particles, they have no mass but nonetheless they move extremely slowly. There was great excitement back in 2015, when it was first possible to measure these 'Weyl fermions' - outlandish, massless particles that had been predicted almost 90 years earlier by German mathematician, physician and philosopher, Hermann Weyl.

Electroengineering - Health - 04.09.2017
Electrical current provides a look inside the lungs
Electrical current provides a look inside the lungs
A new imaging technique, Electrical Impedance Tomography (EIT), will soon be used to monitor important bodily functions. A collaborative project between TU Wien, the Medical University of Vienna and the University of Veterinary Medicine Vienna, has enabled significant progress to be made with this technology.

Physics - Electroengineering - 25.07.2017
Magnetic Quantum Objects in a
Magnetic Quantum Objects in a "Nano Egg-Box"
Magnetic quantum objects in superconductors, so-called "fluxons", are particularly suitable for the storage and processing of data bits. Computer circuits based on fluxons could be operated with significantly higher speed and, at the same time, produce much less heat dissipation. Physicists around Wolfgang Lang at the University of Vienna and their colleagues at the Johannes-Kepler-University Linz have now succeeded in producing a "quantum egg-box" with a novel and simple method.

Physics - Electroengineering - 23.05.2017
Measured for the first time: direction of light waves changed by quantum effect
Measured for the first time: direction of light waves changed by quantum effect
The 'quantized magneto-electric effect' has been demonstrated for the first time in topological insulators at TU Wien, which is set to open up new and highly accurate methods of measurement. A light wave sent through empty space always oscillates in the same direction. However, certain materials can be used to rotate the direction in which the light is oscillating when placed in a magnetic field.

Physics - Electroengineering - 29.03.2017
Quantum Communication: How to Outwit Noise
Quantum Communication: How to Outwit Noise
Nowadays we communicate via radio signals and send electrical pulses through long cables. This could change soon, however: Scientists have been working intensely on developing methods for quantum information transfer. This would enable tap-proof data transfer or, one day, even the linking of quantum computers.

Physics - Electroengineering - 21.12.2016
Graphene able to transport huge currents on the nano scale
Graphene able to transport huge currents on the nano scale
New experiments have shown that it is possible for extremely high currents to pass through graphene, a form of carbon. This allows imbalances in electric charge to be rapidly rectified. The strong electric field of the highly charged ions is able to tear dozens of electrons away from the graphene within a matter of femtoseconds.

Physics - Electroengineering - 29.08.2016
Meteorite Impact on a Nano Scale
Meteorite Impact on a Nano Scale
Intricate nanostructures can be created on crystal surfaces by hitting them with high energy ions. Scientists from TU Wien (Vienna) can now explain these remarkable phenomena.

Materials Science - Electroengineering - 17.08.2016
Piggyback battery for microchips: TU Graz researchers develop new concept
Piggyback battery for microchips: TU Graz researchers develop new concept
Electrochemists at TU Graz have managed to use monocrystalline semiconductor silicon as an active storage electrode in lithium batteries. This enables an integrated power supply to be made for microchips with a rechargeable battery. Photographic material available for download at the end of the text Small electrical gadgets, such as mobile phones, tablets or notebooks, are indispensable accompaniments of everyday life.

Physics - Electroengineering - 26.07.2016
The Exception and its Rules
The Exception and its Rules
"Exceptional points" give rise to counter-intuitive physical effects. Researchers from TU Wien (Vienna) make use of these phenomena to create a novel kind of wave guide, which is now being presented in the journal "Nature". No matter whether it is acoustic waves, quantum matter waves or optical waves of a laser - all kinds of waves can be in different states of oscillation, corresponding to different frequencies.

Electroengineering - Physics - 23.05.2016
Gigantic Ultrafast Spin Currents
Gigantic Ultrafast Spin Currents
Scientists from TU Wien (Vienna) are proposing a new method for creating extremely strong spin currents. They are essential for spintronics, a technology that could replace today's electronics. A laser pulse hits nickel (green). Spin-up-electrons (red) change into silicon (yellow). Electrons with both spin-orientations change back from silicon into nickel.

Physics - Electroengineering - 20.05.2016
Graphene: a Quantum of Current
Graphene: a Quantum of Current
When current comes in discrete packages: Viennese scientists unravel the quantum properties of the carbon material graphene. In 2010 the Nobel Prize in physics was awarded for the discovery of the exceptional material graphene, which consists of a single layer of carbon atoms arranged in a honeycomb lattice.

Electroengineering - Physics - 06.07.2015
Nanopores for improved radar sensor technology
Nanopores for improved radar sensor technology
[ Florian Aigner Nanostructures etched into the surface: TU Wien develops a new processing technology to improve the electrical properties of glass ceramic circuit boards As you ease your foot off the accelerator, a radar sensor detects how far away you are from the other cars and intelligently adjusts your speed appropriately.

Physics - Electroengineering - 10.03.2014
Atomically Thin Solar Cells
Ultrathin layers made of Tungsten and Selenium have been created at the Vienna University of Technology. Experiments show that they may be used as flexible, semi-transparent solar cells. It does not get any thinner than this: The novel material graphene consists of only one atomic layer of carbon atoms and exhibits very special electronic properties.

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