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“Bite” defects in bottom-up graphene nanoribbons

Important findings in the context of the potential applications of graphene nanoribbons in nanoelectronics and quantum technology

27-May-2021

Scientists at Empa and EPFL have identified a new type of defect as the most common source of disorder in on-surface synthesized graphene nanoribbons, a novel class of carbon-based materials that may prove extremely useful in next-generation electronic devices. The researchers identified the ...

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Carbyne – an unusual form of carbon

International team of researchers investigates optical band gap of carbon compound

13-Nov-2020

Which photophysical properties does carbyne have? This was the subject of research carried out by scientists at FAU, the University of Alberta, Canada, and the Ecole Polytechnique Fédérale de Lausanne in Switzerland, which has led to a greater understanding of the properties of this unusual form ...

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"Simulation microscope" examines transistors of the future

"We have created one of the largest databases of transistor materials"

12-Aug-2020

Since the discovery of graphene, two-​dimensional materials have been the focus of materials research. Among other things, they could be used to build tiny, high-​performance transistors. Researchers at ETH Zurich and EPF Lausanne have now simulated and evaluated one hundred possible materials ...

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The smallest motor in the world

On the trail of enigmatic quantum phenomena

17-Jun-2020

A research team from Empa and EPFL has developed a molecular motor which consists of only 16 atoms and rotates reliably in one direction. It could allow energy harvesting at the atomic level. The special feature of the motor is that it moves exactly at the boundary between classical motion and ...

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Watching single protons moving at water-solid interfaces

A major experimental breakthrough

29-May-2020

The H+ proton consists of a single ion of hydrogen, the smallest and lightest of all the chemical elements. These protons occur naturally in water where a tiny proportion of H2O molecules separate spontaneously. Their amount in a liquid determines whether the solution is acidic or basic. Protons ...

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Chirality in 'real-time'

Circular dichroism in the deep ultraviolet

11-Jan-2019

In nature, certain molecules with the same chemical composition, can exist in two different shapes that are mirrors images of each other, much like our hands. This property is known as "chirality" and molecules with different chirality are called enantiomers. Enantiomers can exhibit entirely ...

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ZEISS and EPFL begin long-term research collaboration

01-Dec-2016

ZEISS will support innovative research projects at the Swiss Federal Institute of Technology in Lausanne (École polytechnique fédérale de Lausanne, abbr. EPFL). The company will make one million euros available for new research projects in key technology fields such as biomedical research, ...

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Deepwater Horizon: Identifying harmful elements of persisting oil

24-Jan-2014

On 20 April 2010, a floating oil rig in the Gulf of Mexico called Deepwater Horizon suddenly exploded, leading to the largest accidental marine oil disaster in the world. Collaborating scientists at EPFL in Switzerland and the Woods Hole Oceanographic Institution (WHOI) in the United States have ...

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Phosphoproteins no longer foil mass spectrometry

25-Jun-2010

Commercial aluminium foil could be used to help scientists understand more about important biological pathways. Hubert Girault, at the Federal Polytechnic School of Lausanne, Switzerland, and colleagues used the foil to extract multi-phosphorylated peptides from digested protein ...

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Copper: An element of surprise

Researchers in Switzerland have developed efficient copper-functionalised dye-sensitized solar cells as an alternative to ruthenium-functionalised systems.

11-Jul-2008

Edwin Constable and colleagues at the University of Basel, and at Ecole Polytechnique Federale de Lausanne, in Switzerland, have synthesised carboxylate-derivatized copper complexes as dye stuffs for TiO2 dye-sensitized solar cells (DSSCs). The conversion of light to electricity is an important ...

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