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Paul Scherrer Institute


Blue hydrogen can help protect the climate

A study by the Paul Scherrer Institute finds that blue hydrogen can play a positive role in the energy transition under certain conditions, especially when carbon capture and storage is used effectively. However, methane leakage along the supply chain can reduce its climate benefits.

SourcePaul Scherrer Institute·JournalSustainable Energy & Fuels·TypeMeta-analysis·DateDec 2, 2021

CO2 can be turned into a valuable resource

Researchers from the Paul Scherrer Institute found that CO2 electrolysis can produce formic acid, a promising product for various industries, but generates more CO2 than it consumes. The production process is commercially viable, but depends on a renewable energy mix to have a positive climate effect.

SourcePaul Scherrer Institute·JournalRenewable and Sustainable Energy Reviews·TypeMeta-analysis·DateNov 3, 2021

New active agent against parasites

Researchers at the Paul Scherrer Institute have identified a chemical compound, parabulin, that can inhibit the protein tubulin in unicellular parasites, including those that cause malaria and toxoplasmosis. The substance blocks successful cell division by preventing tubulin from forming long, stable protein filaments.

SourcePaul Scherrer Institute·JournalEMBO Molecular Medicine·TypeExperimental study·DateOct 18, 2021

Ultrafast control of quantum materials

Scientists harness light to alter solid properties and create new applications for high-speed information processing, lossless energy transfer, and quantum technologies. The team reviews the latest developments in ultrafast materials science and explores unifying themes for controlling materials with light.

SourcePaul Scherrer Institute·JournalReviews of Modern Physics·TypeSystematic review·DateOct 14, 2021

The mystery of the flexible shell

A team of researchers from the Paul Scherrer Institute has discovered that the brachiopod shell can become extremely soft in water due to the absorption of liquid, allowing it to be folded without breaking. The transformation is reversible, and the shell returns to its hard state upon drying.

SourcePaul Scherrer Institute·JournalNature Communications·DateSep 10, 2021

How catalysts age

Scientists at the Paul Scherrer Institute have developed a new experimental method to investigate the ageing process of vanadium phosphorus oxides (VPO) catalysts. The method allows for precise measurement of chemical properties in three dimensions, revealing changes in the material's structure and chemistry over time.

SourcePaul Scherrer Institute·JournalScience Advances·DateJun 9, 2021

Uniquely sharp X-ray view

For the first time, scientists have successfully used transient grating spectroscopy with ultrafast X-rays to explore material properties at the atomic level. This method allows for the observation of individual atoms and selective measurement of specific chemical elements in a mixture of substances.

SourcePaul Scherrer Institute·JournalNature Photonics·DateApr 22, 2021

Aerosol formation in clouds

Researchers at the Paul Scherrer Institute have found that isoprene, a dominant non-methane organic compound emitted into the atmosphere, can form up to 20% of secondary organic aerosols in clouds. This process affects Earth's radiation balance and climate change.

SourcePaul Scherrer Institute·JournalScience Advances·DateMar 24, 2021

Switzerland's energy transition

To achieve its goal, Switzerland must double its photovoltaic capacity every decade, with power from wind, hydrogen fuel cells, and imports also contributing. Electric vehicles and heat pumps will become crucial, while energy savings through building renovation are essential for meeting the target.

Magnetic vortices come full circle

Researchers at the Paul Scherrer Institute report the discovery of three-dimensional magnetic 'vortex rings' within a tiny pillar made of gadolinium cobalt. These structures, consisting of doughnut-shaped vortices, provide fundamental insight into intricate nanoscale structures inside bulk magnets.

SourcePaul Scherrer Institute·JournalNature Physics·DateNov 30, 2020

Customising an electronic material

PSI scientists investigate strontium-iridium oxide, an antiferromagnetic material, to systematically control its magnetic and electronic properties. By manipulating thin films, they can fine-tune the material's properties, leading to potential applications in data storage.

SourcePaul Scherrer Institute·JournalProceedings of the National Academy of Sciences·DateSep 21, 2020

Better catalysts for a sustainable bioeconomy

The researchers recommend returning to classic zeolites, which are efficient catalysts that can be modified and adapted for specific purposes. The team found inconsistencies in the literature on how aluminium atoms catalyse reactions, highlighting the need for further understanding of these active centres.

SourcePaul Scherrer Institute·JournalNature Materials·DateSep 21, 2020

Cherned up to the maximum

Researchers have observed that palladium gallium (PdGa) reaches the maximum allowed Chern number of four, a fundamental aspect yet to be settled in topological physics. The team also demonstrated control over the sign of the Chern number by manipulating the crystal's handedness during growth.

SourcePaul Scherrer Institute·JournalScience·DateJul 9, 2020

In search of the lighting material of the future

A yellowish solid compound has been found to emit an intense green glow when excited by an electric current, making it a hot candidate for producing OLEDs. The substance's chemical structure allows for high light yields due to its stiff molecule and minimal changes in structure upon excitation.

SourcePaul Scherrer Institute·JournalNature Communications·DateMay 1, 2020

Tracking down the mystery of matter

Researchers at PSI measured a property of the neutron more precisely than ever before, finding it has a significantly smaller electric dipole moment. This challenges the long-held assumption that this dipole moment could help explain the excess of matter in the universe.

SourcePaul Scherrer Institute·JournalPhysical Review Letters·DateFeb 28, 2020

Short film of a magnetic nano-vortex

Physicists at the Paul Scherrer Institute recorded a short 'film' of the three-dimensional magnetic structure inside a material with nanoscale resolution. This reveals intricate patterns and domain walls that could be used to pack data more tightly than current methods.

SourcePaul Scherrer Institute·JournalNature Nanotechnology·DateFeb 24, 2020

On the way to intelligent microrobots

The Paul Scherrer Institute has developed a micromachine that can perform different actions using magnetic fields. The robot measures only a few micrometres across and can be reprogrammed to flap its wings, hover, turn, or side-slip. This technology is an important step towards micro- and nanorobots that can carry out various tasks.

SourcePaul Scherrer Institute·JournalNature·DateNov 6, 2019

Preventing tumor metastasis

Scientists at the Paul Scherrer Institute deciphered the structure of CCR7 receptor, which plays a crucial role in cancer cell migration. They identified an artificial molecule that blocks this receptor, preventing signaling protein from triggering a chain reaction leading to cell migration.

SourcePaul Scherrer Institute·JournalCell·DateAug 22, 2019

Weyl fermions discovered in another class of materials

Researchers at Paul Scherrer Institute successfully prove existence of Weyl fermions in a paramagnetic material with slow magnetic fluctuations, expanding possibilities for spintronics and future electronics. This discovery could lead to more efficient transportation of information, potentially revolutionizing computer technology.

SourcePaul Scherrer Institute·JournalScience Advances·DateJul 12, 2019

New material also reveals new quasiparticles

Scientists at PSI investigate a novel material exhibiting electronic properties never seen before, including Rarita-Schwinger fermions and quadruple topological Fermi arcs. The crystal is a chiral topological semimetal with exotic physical phenomena, such as phase transitions at its surface.

SourcePaul Scherrer Institute·JournalNature Physics·DateMay 7, 2019

Bringing information into the cell

Researchers at PSI have produced the most detailed image to date of a type of membrane protein involved in signal transmission. They discovered that this protein inhibits itself, preventing overproduction of cAMP, an important secondary messenger in cell signaling.

SourcePaul Scherrer Institute·JournalScience·DateApr 25, 2019

A compass pointing west

At the level of nanoscopic structures made of magnetic layers, researchers at PSI have discovered a special magnetic interaction that enables the development of planar magnetic networks. These interactions allow for the creation of synthetic antiferromagnets and logical gates suitable for constructing computer memories and switches.

SourcePaul Scherrer Institute·JournalScience·DateMar 28, 2019

Virtual lens improves X-ray microscopy

Researchers at PSI develop a new method that uses a small but efficient lens to create high-resolution images of X-ray microscopes, providing absorption and phase contrast information. This technique has the potential to reveal material properties and improve image quality for biological samples.

SourcePaul Scherrer Institute·JournalScience Advances·DateFeb 1, 2019