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Watching two-dimensional materials grow

“Atomically thin crystals will play an ever greater role in future – but how can their crystallisation process be controlled? A new method is now opening up new possibilities. They are among the thinnest structures on earth: “two dimensional materials” are …

Superradiance: Quantum Effect Detected in Tiny Diamonds

“The effect has been predicted theoretically decades ago - but it is very hard to provide experimental evidence for it: “Superradiance” is the phenomenon of one atom giving off energy in the form of light and causing a large number of …

A new kind of quantum bits in two dimensions

“Combining two ultra-thin material layers yields new possibilities for quantum electronics. A research team with members from TU Wien presents strongly tunable quantum systems. Two novel materials, each composed of a single atomic layer and the tip of a scanning …

Nanostructures made of previously impossible material

“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 …

Exotic State of Matter: An Atom Full of Atoms

“Scientists from TU Wien (Vienna, Austria) and the USA have provided proof for a new state of matter: an electron orbits a nucleus at a great distance, while many other atoms are bound inside the orbit. What is inside an …

Testing Quantum Field Theory in a Quantum Simulator

“A new way to characterize many-particle quantum systems has been presented in the journal “Nature” by TU Wien (Vienna) and Heidelberg University. Quantum simulators can now be used to take a deeper look at previously unanswered questions. What happened right …

New sensor for measuring electric field strength

“Accurately measuring electric fields is important in a variety of applications, such as weather forecasting, process control on industrial machinery, or ensuring the safety of people working on high-voltage power lines. Yet from a technological perspective, this is no easy …

TU Wien develops new semiconductor processing technology

“Extremely fine porous structures with tiny holes – resembling a kind of sponge at nano level – can be generated in semiconductors. This opens up new possibilities for the realization of tiny sensors or unusual optical and electronic components. There have already …

Microprocessors based on a layer of just three atoms

“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 …