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Flatter graphene, faster electrons

20-Apr-2020

Bumps on a road slow down our pace, so do corrugations in graphene to travelling electrons. By flattening the corrugations out, we help electrons move effectively faster through a graphene sheet. Limits because of microscopic distortions The sample quality of graphene has been improved ...

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Perturbation-free studies of single molecules

New applications in the fields of quantum science, spectroscopy and chemistry

16-Mar-2020

Researchers of the University of Basel have developed a new method with which individual isolated molecules can be studied precisely – without destroying the molecule or even influencing its quantum state. This highly sensitive technique for probing molecules is widely applicable and paves the ...

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2D materials: arrangement of atoms measured in silicene

03-Jan-2020

Silicene consists of a single layer of silicon atoms. In contrast to the ultra-flat material graphene, which is made of carbon, silicene shows surface irregularities that influence its electronic properties. Now, physicists from the University of Basel have been able to precisely determine this ...

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How to control friction in topological insulators

16-Oct-2019

Topological insulators are innovative materials that conduct electricity on the surface, but act as insulators on the inside. Physicists at the University of Basel and the Istanbul Technical University have begun investigating how they react to friction. Their experiment shows that the heat ...

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A new strategy for the synthesis of complex natural products

11-Oct-2019

Chemists from the University of Basel have succeeded in synthesizing two complex natural products from the group of dithiodiketopiperazines (DTPs). For this, they employed a new strategy based on “C-H bond activation,” resulting in a short and high yielding route. In the of the Journal of the ...

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Silicon as a semiconductor: silicon carbide would be much more efficient

09-Sep-2019

In power electronics, semiconductors are based on the element silicon – but the energy efficiency of silicon carbide would be much higher. Physicists of the University of Basel, the Paul Scherrer Institute and ABB explain what exactly is preventing the use of this combination of silicon and ...

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Better thermal conductivity by adjusting the arrangement of atoms

22-Jul-2019

Adjusting the thermal conductivity of materials is one of the challenges nanoscience is currently facing. Together with colleagues from the Netherlands and Spain, researchers from the University of Basel have shown that the atomic vibrations that determine heat generation in nanowires can be ...

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The geometry of an electron determined for the first time

23-May-2019

Physicists at the University of Basel are able to show for the first time how a single electron looks in an artificial atom. A newly developed method enables them to show the probability of an electron being present in a space. This allows improved control of electron spins, which could serve as ...

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Decoupled graphene thanks to potassium bromide

02-May-2019

The use of potassium bromide in the production of graphene on a copper surface can lead to better results. When potassium bromide molecules arrange themselves between graphene and copper, it results in electronic decoupling. This alters the electrical properties of the graphene produced, bringing ...

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Unprecedented insight into two-dimensional magnets using diamond quantum sensors

29-Apr-2019

For the first time, physicists at the University of Basel have succeeded in measuring the magnetic properties of atomically thin van der Waals materials on the nanoscale. They used diamond quantum sensors to determine the strength of the magnetization of individual atomic layers of the material ...

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