ETH News

These small particles are reminiscent of paper flowers or desert roses. Physicians can use them to guide medicines to a precise destination within the body. Better yet, the particles can easily be tracked using ultrasound as they scatter sound waves.

ETH Zurich is participating in two quantum computing projects that are being financed by IARPA, the US research funding agency, with up to 40 million dollars. Both projects aim to connect two error-corrected qubits with one another and thus lay the foundation for future quantum computers.

Researchers at ETH have created an antenna for light sources on a chip using an unusual placement of a semiconductor material. In the future, efficient nanoscale LEDs and lasers could be produced in this way.

Researchers at ETH Zurich and Empa have developed a patch with a sensor function. It can be used to seal wounds in the abdomen after surgery. The polymer patch warns before the occurrence of dangerous leaks on sutures in the gastrointestinal tract.

Researchers at ETH Zurich have developed an electronic yarn capable of precisely measuring how a person¡¯s body moves. Integrated directly into sportswear or work clothing, the textile sensor predicts the wearer¡¯s exhaustion level during physical exertion.

Researchers at ETH Zurich achieved a shape memory effect for the first time with objects that are only a few nanometers in size. This can be used to manufacture tiny machinery and robotic devices on the nanoscale.

ETH researchers have managed to take three-dimensional pictures of single nanoparticles using extremely short and strong X-ray pulses. In the future this technique could even be used to make 3D-movies of dynamical processes at the nanoscale.

Researchers from ETH Zurich have developed a new transparent gold nanocoating that harnesses sunlight to heat the lenses of glasses, thereby preventing them from fogging in humid conditions. This coating could potentially also be applied to car windshields.

Researchers at ETH have developed a technique to cool several nanoparticles simultaneously to temperatures of just a few thousandths of a degree above absolute zero. This new method can be used to study quantum effects of several nanoparticles and to build highly sensitive sensors.

Colours can be created in surprisingly different ways. And in addition to being pleasing to the eye, colour can also serve a useful purpose.

Researchers from ETH Zurich, the University of Zurich and Empa have developed a new material for an electronic component that can be used in a wider range of applications than its predecessors. Such components will help create electronic circuits that emulate the human brain and that are more efficient at performing machine-learning tasks.

For his doctorate, Johannes Weichart is developing an artificial skin that could give robots a sense of touch similar to humans. This would make them much more adept at handling objects.

ETH Zurich researchers have created artificial colours by 3D printing certain nanostructures inspired by those of a butterfly. This principle can be used in the future to produce colour screens.

In the last application process for the sought-after ERC Starting Grants, the European Research Council made 11 awards to ETH researchers worth about CHF 17 million. Due to Switzerland¡¯s non-association, however, the researchers will not receive these grants. The funds will now be provided by the State Secretariat for Education, Research and Innovation (SERI).

Load-bearing, lightweight and now also recyclable: researchers led by Professor Paolo Ermanni were presented with the Spark Award in recognition of an innovative process for production of sustainable composite materials. ETH Zurich awarded the prize to their promising invention, with this year marking the tenth time the award has been given.

Researchers at ETH have managed to produce nanocrystals made of two different metals using an amalgamation process whereby a liquid metal penetrates a solid one. This new and surprisingly intuitive technique makes it possible to produce a vast array of intermetallic nanocrystals with tailored properties for diverse applications.?

Researchers at ETH Zurich have developed a condenser for countries where water is in short supply. Theirs is the first zero-energy solution for harvesting water from the atmosphere throughout the 24-hour daily cycle. It relies on a self-cooling surface and a special radiation shield.

Researchers at ETH Zurich are developing a new filter membrane that is highly efficient at filtering and inactivating a wide variety of air-borne and water-borne viruses. Made from ecologically sound materials, the membrane has an appropriately good environmental footprint.

ETH Zurich and the Paul Scherrer Institute (PSI) establish a joint centre for the development of quantum computers. Its aim is to advance the realization of quantum computers based on both ion traps and superconducting components. ETH Zurich provides 32 million francs for this centre, which will host around 30 researchers. ?

Novel nanoparticles developed by researchers at ETH Zurich and Empa detect multi-resistant bacteria hiding in body cells and kill them. The scientists' goal is to develop an antibacterial agent that is effective where conventional antibiotics remain ineffective.

Seven ETH researchers can look forward to generous funding for their projects: the European Research Council (ERC) has approved a total amount of around 15 million Swiss francs. ?

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 for this purpose and discovered 13 promising candidates.

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.

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.

A new process simplifies the fabrication of porous materials with a defined nanostructure and takes them one step closer to mass production.

ETH scientists have further developed QLED technology for screens. They have produced light sources that for the first time emit high-intensity light in only one direction. This reduces scattering losses, which makes the technology extremely energy efficient.

ETH researchers have created an incredibly lightweight 18-carat gold, using a matrix of plastic in place of metallic alloy elements.

Two research groups from ETH Zurich have developed a method that can simulate nanoelectronics devices and their properties realistically, quickly and efficiently. This offers a ray of hope for the industry and data centre operators alike, both of which are struggling with the (over)heating that comes with increasingly small and powerful transistors.

Switching light beams quickly is important in many technological applications. Researchers at ETH have now developed an ¡°electro-opto-mechanical¡± switch for light beams that is considerably smaller and faster than current models. This is relevant for applications such as self-driving cars and optical quantum technologies.

ETH researchers have recently been able to monitor the corrosion of bioresorbable magnesium alloys at the nanoscale over a time scale of a few seconds to many hours. This is an important step towards accurately predicting how fast implants are resorbed by the body to enable the development of tailored materials for temporary implant applications.

Microcontaminants place a considerable burden on our water courses, but removing them from wastewater requires considerable technical resources. Now, ETH researchers have developed an approach that allows the efficient removal of these problematic substances.

Can water reach minus 263 degrees Celsius without turning into ice? Yes it can, say researchers from ETH Zurich and the University of Zurich, if it is confined in nanometre-scale lipid channels.

Researchers from the Paul Scherrer Institute PSI in Villigen and the ETH Zurich have discovered a special phenomenon in magnets. This phenomenon takes place at the nanoscale and enables magnets to be assembled in unusual configurations, which could also be useful for computer technology and data storage.?

A new coating developed by ETH researchers prevents fogging on transparent surfaces. Rather than using electricity, the coating relies on sunlight to heat the surface.

Newly-developed nanovalves allow the flow of individual nanoparticles in liquids to be controlled in tiny channels. This is of interest for lab-on-a-chip applications such as in materials science and biomedicine.

ETH Zurich scientists have developed the smallest and cheapest ever equipment for detecting people by smell. It could be used in the search for people buried by an earthquake or avalanche.

Lucio Isa and his team of researchers have explained how the surface characteristics of microspheres affect rapid increases in the viscosity of suspensions, thus laying the groundwork for applications such as smoothly flowing cement.

ETH researchers have developed a new method of crystallising large membrane proteins in order to determine their structure. This will be of benefit to biological research and the pharmaceutical industry.

A type of quantum dot that has been intensively studied in recent years can reproduce light in every colour and is very bright. An international research team that includes scientists from ETH Zurich has now discovered why this is the case. The quantum dots could someday be used in light-emitting diodes.

Inspired by white blood cells rolling on endovascular walls before transmigrating to the disease site, scientists at ETH Zurich have succeeded in getting particles to move along the walls of microscopic, three-dimensional vessels. This method could be used in targeted cancer therapeutics.

Computer simulations have helped a team of researchers led by ETH professor Viola Vogel to develop a peptide that is able to detect the tensional state of tissue fibres. This paves the way for completely novel research approaches in medicine and pharmacology.

ETH researchers have developed a method that allows large amounts of genetic information to be compressed and then decompressed again in cells. This could aid in the development of new therapies.

ETH Zurich and IBM Research opened the Binning and Rohrer Nanotechnology Center some six years ago. This week, participants in a symposium will take stock of the achievements so far.

Researchers at ETH Zurich have developed a miniature device capable of producing laser-like beams of a particular kind of electromagnetic wave called a surface plasmon. Surface plasmons can be focused much more tightly than light waves, making them useful for applications such as sensing.

Blow into the tube, please. In the future, the procedure will not just be used by police checking for alcohol intoxication, but also for testing the condition of athletes and for people who want to lose that extra bit of weight. A sensor developed by ETH researchers makes it possible to measure when the body starts burning fat with a convenient breathalyser.

An international team of scientists has created a new database of molecular dynamics models that simulate the properties of cement in all its varieties. It¡¯s intended to help fine-tune this component of concrete and curtail emissions in its manufacturing process.

Magnetic data storage has long been considered too slow for use in the working memories of computers. Researchers at ETH have now investigated a technique by which magnetic data writing can be done considerably faster and using less energy.

For the first time, ETH researchers have succeeded in applying a millennia-old method for making fabrics to create a completely organic nanoweave. The structure of the trihexagonal ¡°kagome¡± weave is based on the sophisticated design of the molecules that make up the threads.

Simone Sch¨¹rle likes to get to the bottom of things. Since August, the micro- and nanotechnology expert and fellow of the??Society in Science??, has?been working as Assistant Professor?of Responsive Biomedical Systems at ETH Zurich to develop tiny machines for medical applications in the?human body.

Sensitive sensors must be isolated from their environment as much as possible to avoid disturbances. Scientists at ETH Zurich have now demonstrated how to remove from and add elementary charges to a nanosphere that can be used for measuring extremely weak forces.

ETH researchers led by Lucio Isa have developed microparticles with a rough, raspberry-like surface that stabilise emulsions following a new principle.

The way that nanoparticles behave in the environment is extremely complex. There is currently a lack of systematic experimental data to help understand them comprehensively, as ETH environmental scientists have shown in a large overview study. A more standardised approach would help to advance the research field.

A team of researchers led by ETH Zurich professor David Norris has developed a model to clarify the general mechanism of nanoplatelet formation. Using pyrite, they also managed to confirm their theory.

An international team of researchers led by chemists from ETH Zurich have developed a method for depositing single magnetisable atoms onto a surface. This is especially interesting for the development of new miniature data storage devices.

ETH material scientists have developed a new method of manufacturing ceramics that does not require the starting materials to be fired. Instead, they are compacted under high pressure at room temperature in a significantly more energy-efficient process.

Every five seconds, someone in the world dies from blood poisoning. Hemotune, a young start-up founded by ETH researchers, is developing a revolutionary blood purification system to address this problem.

ETH researchers Michela Puddu and Gediminas Mikutis founded the company Haelixa in early summer. The company commercializes DNA-based tracers, which are more robust than ever before, for tracking fluids and products. The young entrepreneurs are now looking to enter the oil and geothermal sector.

Researchers at ETH have shown for the first time what happens to atomic vibrations when materials are nanosized and how this knowledge can be used to systematically engineer nanomaterials for different applications.

Researchers working under Juerg Leuthold, Professor of Photonics and Communications, have created the world¡¯s smallest integrated optical switch. Applying a small voltage causes an atom to relocate, turning the switch on or off.

ETH researchers have developed a new water filtration system that is superior to existing systems in many respects: it is extremely efficient at removing various toxic heavy metal ions and radioactive substances from water and can even be used in gold recovery.

Researchers at ETH Zurich have manufactured transparent electrodes for use in touchscreens using a novel nanoprinting process. The new electrodes are some of the most transparent and conductive that have ever been developed.

Researchers of ETH Zurich and ETH start-up company Scrona achieve a new world record! They have printed a color picture depicting clown fishes around their sea anemone home. This picture is as tiny as the cross-sectional area of a human hair.

Researchers at ETH Zurich have created a new type of foam made of real gold. It is the lightest form ever produced of the precious metal: a thousand times lighter than its conventional form and yet it is nearly impossible to tell the difference with the naked eye. There are many possible applications.

ETH material researchers are developing a procedure that allows them to mimic the complex fine structure of biological composite materials, such as teeth or seashells. They can thus create synthetic materials that are as hard and tough as their natural counterparts.

At its meeting of 8/9 July 2015, the ETH Board appointed six professors at ETH Zurich in accordance with the application submitted by ETH Zurich President Lino Guzzella.

Scientists at ETH Zurich are able to visualize and selectively modify the internal order of an intensively researched class of materials known as multiferroics. This opens the door to promising applications in electronics. The researchers are particularly interested in the walls of the ordered sections.

Thanks to a special computer programme, researchers from ETH Zurich are able to simulate electronic nanocomponents and help materials science and industry in the development and production process.

Scientists from ETH Zurich have developed a thermometer that is at least 100 times more sensitive than previous temperature sensors. It consists of a bio-synthetic hybrid material of tobacco cells and nanotubes.

Every year, the Department of Mechanical and Process Engineering (D-MAVT) awards the Aurel Stodola Medal to an outstanding scientist in the discipline. Mauro Ferrari, who researches and teaches in the field of nanomedicine at Houston Methodist Hospital in Texas, is honoured this year. He will speak about his research on April 1 at ETH Zurich.

For the first time, scientists have succeeded in recording the current in membrane channels of contracting cardiac cells. To do this, the scientists combined an atomic force microscope with a widely used method for measuring electrical signals in cells.

The fundamental laws of thermodynamics do not apply to objects on the nanoscale to the extent they do in our macroscopic world. A team of researchers describe how heat can transfer from cold to hot objects in the nanoworld.