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140 Current news of ETH Zürich

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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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A new theory for Semiconductors made of nanocrystals

First theoretical explanation how electrical current moves through a thin film of nanocrystals

30-Jun-2020

Researchers at ETH have provided the first theoretical explanation for how electrical current is conducted in semiconductors made of nanocrystals. In the future, this could lead to the development of new sensors, lasers or LEDs for TV screens. A few years ago, we were introduced to TV screens ...

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Growing polymers with different lengths

How the dispersity of a plastic can be completely controlled by mixing two catalysts

25-Jun-2020

ETH researchers have developed a new method for producing polymers with different lengths. This paves the way for new classes of polymer materials to be used in previously inconceivable applications. It is hard to imagine everyday life without materials made of synthetic polymers. Clothes, car ...

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Surprisingly strong and deformable silicon

The strength of lithographically produced silicon pillars even reached values that one would only expect only in theory

12-Jun-2020

Researchers at ETH and Empa have shown that tiny objects can be made from silicon that are much more deformable and stronger than previously thought. In this way, sensors in smartphones could be made smaller and more robust. Since the invention of the MOSFET transistor sixty year ago, the ...

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A material with a particular twist

Surprising discoveries regarding the behaviour of electrons

28-Apr-2020

In a material made of two thin crystal layers that are slightly twisted with respect to each other, researchers at ETH have studied the behaviour of strongly interacting electrons. Doing so, they found a number of surprising properties. Many modern technologies are based on special materials, ...

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X-ray vision through the water window

14-Apr-2020

ETH physicists have developed the first high-​repetition-rate laser source that produces coherent soft x-​rays spanning the entire ‘water window’. That technological breakthrough should enable a broad range of studies in the biological, chemical and material sciences as well as in physics. The ...

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How the chemical industry can meet the climate goals

07-Apr-2020

ETH researchers analysed various possibilities for reducing the net CO2 emissions of the chemical industry to zero. Their conclusion? The chemical industry can in fact have a carbon-​neutral future. Switzerland’s Federal Council has decided that the country should become carbon-​neutral by 2050. ...

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Printing complex cellulose-based objects

27-Mar-2020

Researchers from ETH Zurich and the Swiss Federal Laboratories for Materials Science and Technology (Empa) have set a new world record: they 3D printed complex objects with higher cellulose content than that of any other additively manufactured cellulose-​based parts. To achieve this, they used a ...

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Underestimated chemical diversity

There are an ever-​greater number of industrial chemicals on the world market

17-Feb-2020

An international team of researchers has conducted a global review of all registered industrial chemicals: some 350,000 different substances are produced and traded around the world – well in excess of the 100,000 reached in previous estimates. For about a third of these substances, there is a ...

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A fast light detector made of two-dimensional materials

Technology with multiple possibilities

17-Feb-2020

Two research groups at ETH Zurich have joined forces to develop a novel light detector. It consists of two-​dimensional layers of different materials that are coupled to a silicon optical waveguide. In the future, this approach can also be used to make LEDs and optical modulators. Fast and highly ...

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