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Vienna University of Technology


Intelligent transistor developed at TU Wien

Scientists at TU Wien have developed a novel germanium-based transistor with the ability to perform different logical tasks, offering improved adaptability and flexibility in chip design. This technology has potential applications in artificial intelligence, neural networks, and logic circuits that work with more than just 0 and 1.

SourceVienna University of Technology·JournalACS Nano·TypeExperimental study·DateDec 1, 2021

Detective work on the fuel cell

Scientists have developed a unique measurement technique to study oxygen exchange pathways on pristine SOFC cathode surfaces, revealing that different materials follow the same mechanism. This breakthrough enhances understanding of defects and optimizes material performance.

SourceVienna University of Technology·JournalJournal of Materials Chemistry A·TypeExperimental study·DateNov 30, 2021

Bacteria as climate heroes

Acetobacterium woodii bacteria can efficiently metabolize CO2 into formate, providing a sustainable alternative to oil-based products. This process can be genetically modified to produce ethanol or lactic acid, enabling the recycling of CO2 and carbon monoxide.

SourceVienna University of Technology·JournalMetabolic Engineering·TypeExperimental study·DateNov 17, 2021

Why teapots always drip

Researchers at TU Wien have successfully described the 'teapot effect' with a theoretical analysis and experiments. The effect occurs when a liquid is poured out of a teapot too slowly, causing it to dribble down the outside of the pot due to an interplay of inertia, viscous, and capillary forces.

SourceVienna University of Technology·JournalJournal of Fluid Mechanics·TypeExperimental study·DateNov 9, 2021

Seek and you shall find.

The study utilizes gas-phase electrophoresis (GEMMA) to separate nanovesicles from proteins in natural samples. This allows for accurate attribution of effects to transport vesicles, crucial for understanding cellular communication and metabolism. The method has significant implications for extracellular vesicle research and its releva...

SourceVienna University of Technology·JournalAnalytical and Bioanalytical Chemistry·TypeExperimental study·DateOct 20, 2021

The hidden talent of fungi

Researchers at TU Wien propose a new method to interpret and mine fungal genomes to predict essential genes for the production of valuable substances. The FunOrder method identifies co-evolved genes that are functionally necessary, distinguishing them from gap genes.

SourceVienna University of Technology·JournalPLOS Computational Biology·TypeData/statistical analysis·DateOct 4, 2021

A sandblaster at the atomic level

A computational model predicts the effects of ion bombardment on surfaces with varying degrees of roughness, enabling accurate calculation of material removal. The study's findings have implications for fusion research, astrophysics, and industrial applications.

SourceVienna University of Technology·JournalApplied Surface Science·TypeComputational simulation/modeling·DateSep 20, 2021

Droplets with coronaviruses last longer than previously thought

Research by TU Wien found that small droplets with coronaviruses can remain airborne for an order of magnitude longer than assumed due to high humidity. This means that even short-range exposure poses a significant risk, highlighting the need for scientifically sound guidelines on mask-wearing and safety distances.

SourceVienna University of Technology·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateSep 17, 2021

Anchoring single atoms

Researchers from Vienna University of Technology have developed a new method to anchor single atoms on surfaces, paving the way for single-atom catalysis. The technique uses silicon atoms as anchors for single metal atoms, which can be used to accelerate chemical reactions.

SourceVienna University of Technology·JournalACS Nano·TypeExperimental study·DateAug 31, 2021

How ions get their electrons back

Researchers created highly charged ions by removing 20-40 electrons from atoms and studied their interaction with solid materials. They found that the ions capture electrons from the material to become electrically neutral, a process that can be explained by simple laws.

SourceVienna University of Technology·JournalCommunications Physics·TypeExperimental study·DateAug 19, 2021

The quantum refrigerator

Researchers at TU Wien have invented a new cooling concept that combines thermodynamics and quantum physics to break low-temperature records. By using quantum effects to cool a cloud of ultracold atoms, they achieved temperatures closer to absolute zero than ever before.

SourceVienna University of Technology·JournalPRX Quantum·TypeComputational simulation/modeling·DateJul 28, 2021

The bitumen puzzle

Researchers used AFM-IR, ToF-SIMS, and fluorescence microscopy to study bitumen surface composition and structure. The study found that the surface is heterogeneous, with individual molecular assemblies distributed in a specific pattern.

SourceVienna University of Technology·JournalScientific Reports·DateJul 6, 2021

How acidic are atoms?

Researchers at Vienna University of Technology have developed a new microscopy technique that allows for the measurement of atomic acidity on surfaces. This breakthrough enables analysis of catalysts on an atomic scale, which is crucial for improving chemical reactions.

2D nanomaterial MXene: The perfect lubricant

Researchers from TU Wien and international partners discovered MXene's exceptional properties as an ultra-durable dry lubricant, reducing friction to one sixth and withstanding 100,000 movement cycles without issues. Its heat resistance and independence from atmosphere and temperature make it suitable for various industrial applications.

SourceVienna University of Technology·JournalACS Nano·DateApr 20, 2021

3D-printed material to replace ivory

A team from TU Wien and Cubicure has developed a novel 3D-printed material called 'Digory' that can be used as a substitute for ivory in restoring art objects. The new material is processed in a hot, liquid state and hardened with UV rays to create a deceptively authentic-looking ivory substitute.

SourceVienna University of Technology·JournalApplied Materials Today·DateApr 14, 2021

The indestructible light beam

Researchers at Utrecht University and TU Wien have developed special light waves that can bypass scattering in complex media, enabling precise imaging of objects. This breakthrough could revolutionize biological experiments, such as studying cells, by controlling light distribution inside tissues.

SourceVienna University of Technology·JournalNature Photonics·DateApr 12, 2021

How do good metals go bad?

Researchers found that exotic metallic materials exhibit poor electrical conductivity due to tiny amounts of impurities or defects. These defects cause electrons to remain localized, hindering current flow at low frequencies, but allowing it at high frequencies.

SourceVienna University of Technology·JournalNature Communications·DateMar 15, 2021

Magnetic effect without a magnet

Researchers find giant Hall effect in material Ce3Bi4Pd3, exceeding theoretical predictions by a thousand times. The effect is caused by complex electron interactions and the Kondo effect, leading to unexpected potential for next-generation quantum technologies.

SourceVienna University of Technology·JournalProceedings of the National Academy of Sciences·DateFeb 22, 2021

Two-phase material with surprising properties

Researchers at TU Wien have discovered a two-phase material with surprising electro-mechanical properties that change dramatically above a certain temperature. The team found that the crystals responsible for these properties remain electroactive, but the macroscopic behavior disappears due to a loss of contact between crystal grains.

SourceVienna University of Technology·JournalNature Communications·DateFeb 8, 2021

Catalysts: worth taking a closer look

A new research method has successfully investigated the role of oxygen in complex metal oxide surfaces, revealing that oxygen atoms settle down particularly easily in specific places. This breakthrough understanding will aid in improving important catalysts needed for energy and environmental technology.

SourceVienna University of Technology·JournalNature Communications·DateJan 13, 2021

Stable catalysts for new energy

Researchers at Vienna University of Technology have developed stable catalysts for water splitting and CO2 reduction by studying atomic surface structures. The team found that specific surface angles can create microscopically small triangular holes that stabilize the material and enhance its effectiveness.

SourceVienna University of Technology·JournalACS Applied Materials & Interfaces·DateNov 24, 2020

COVID-19: Distancing and masks are not enough

A new fluid dynamics model shows that tiny droplets can spread over long distances and remain airborne for a long time, making masks and distancing measures less effective. The model predicts that even with proper ventilation, it's possible to come into contact with the virus in certain environments.

SourceVienna University of Technology·JournalInternational Journal of Multiphase Flow·DateOct 20, 2020

The return of the spin echo

A research team has discovered a remarkable echo effect in phosphorus atoms on silicon, allowing for the detection of multiple spin echoes. This effect is due to strong coupling between atomic spins and microwave photons, enabling the processing of quantum information.

SourceVienna University of Technology·JournalPhysical Review Letters·DateSep 24, 2020

The mathematical magic of bending grids

A team of mathematicians from TU Wien has developed a technique to calculate flat grids that can be unfolded into desired three-dimensional shapes. The method uses findings in differential geometry and has been successfully tested in practice, resulting in stable and structurally sound 3D structures with good static properties.

SourceVienna University of Technology·JournalACM Transactions on Graphics·DateAug 24, 2020