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Physics - Materials Science - 22.03.2017
Materials Science
Results 861 - 880 of 947.
Not air con, but a cooling curtain
Climate change is leading to ever higher temperatures and aridity in many areas, making efficient room cooling increasingly important.
Climate change is leading to ever higher temperatures and aridity in many areas, making efficient room cooling increasingly important.
Diving into magnets
First-time 3D imaging of internal magnetic patterns Magnets are found in motors, in energy production and in data storage. A deeper understanding of the basic properties of magnetic materials could therefore impact our everyday technology. A study by Scientists at the Paul Scherrer Institute PSI in Switzerland, the ETH Zurich and the University of Glasgow has the potential to further this understanding.
First-time 3D imaging of internal magnetic patterns Magnets are found in motors, in energy production and in data storage. A deeper understanding of the basic properties of magnetic materials could therefore impact our everyday technology. A study by Scientists at the Paul Scherrer Institute PSI in Switzerland, the ETH Zurich and the University of Glasgow has the potential to further this understanding.
Testing a soft artificial heart
ETH researchers from the Functional Materials Laboratory have developed a silicone heart that beats almost like a human heart.
ETH researchers from the Functional Materials Laboratory have developed a silicone heart that beats almost like a human heart.
Magic off the cuff
Moving things with a wave of the hand: thanks to Empa technology this dream could soon become real. A sensor made of piezo-resistive fibers integrated in a wristband measures wrist movements and converts them into electrical signals.
Moving things with a wave of the hand: thanks to Empa technology this dream could soon become real. A sensor made of piezo-resistive fibers integrated in a wristband measures wrist movements and converts them into electrical signals.
Concrete from wood
Researchers from the National Research Programme "Resource Wood" have developed a type of concrete that largely consists of wood. The building material offers the construction industry new possibilities and is based in large part on renewable resources. Houses can be made of wood, as they were in the past - or of concrete, as they are today.
Researchers from the National Research Programme "Resource Wood" have developed a type of concrete that largely consists of wood. The building material offers the construction industry new possibilities and is based in large part on renewable resources. Houses can be made of wood, as they were in the past - or of concrete, as they are today.
Bandage with a voice
A novel bandage alerts the nursing staff as soon as a wound starts healing badly. Sensors incorporated into the base material glow with a different intensity if the wound's pH level changes.
A novel bandage alerts the nursing staff as soon as a wound starts healing badly. Sensors incorporated into the base material glow with a different intensity if the wound's pH level changes.
NAWI Graz researchers measure light fields in 3D
Researchers from TU Graz and the University of Graz present the new method of 3D-plasmon tomography in Nature Communications. Light as a carrier of information is indispensable to modern communication technology. The controlled manipulation of light quanta, so-called photons, form the basis for wireless transmission or data transfer in optical glass fibres.
Researchers from TU Graz and the University of Graz present the new method of 3D-plasmon tomography in Nature Communications. Light as a carrier of information is indispensable to modern communication technology. The controlled manipulation of light quanta, so-called photons, form the basis for wireless transmission or data transfer in optical glass fibres.
Hard shell, hard core
Liquid lithium-ion rechargeable batteries are dangerous. They can leak or ignite rapidly if they become overheated.
Liquid lithium-ion rechargeable batteries are dangerous. They can leak or ignite rapidly if they become overheated.
Ultra-stable perovskite solar cell remains stable for over a year
EPFL scientists have built a low-cost and ultra-stable perovskite solar cell that has been running at 11.2% efficiency for over a year, without loss in performance.
EPFL scientists have built a low-cost and ultra-stable perovskite solar cell that has been running at 11.2% efficiency for over a year, without loss in performance.
3D printer inks from the woods
Empa researchers have succeeded in developing an environmentally friendly ink for 3D printing based on cellulose nanocrystals.
Empa researchers have succeeded in developing an environmentally friendly ink for 3D printing based on cellulose nanocrystals.
Electrostatic design of materials: TU Graz demonstrates a fundamentally new approach
Researchers at the Institute of Solid State Physics map out a radically new approach for designing optical and electronic properties of materials in Advanced Materials. Computational materials design is traditionally used to improve and further develop already existing materials. Simulations grant a deep insight into the quantum mechanical effects which determine material properties.
Researchers at the Institute of Solid State Physics map out a radically new approach for designing optical and electronic properties of materials in Advanced Materials. Computational materials design is traditionally used to improve and further develop already existing materials. Simulations grant a deep insight into the quantum mechanical effects which determine material properties.
Sodium and magnesium to replace lithium in batteries
Scientists have produced novel electrolytes for rechargeable sodium and magnesium batteries. The research group's objective was to develop alternatives to lithium-ion technology. A project supported by the Swiss National Science Foundation (SNSF) aims to find new materials which can be used in rechargeable batteries and eventually provide alternatives to the current lithium batteries.
Scientists have produced novel electrolytes for rechargeable sodium and magnesium batteries. The research group's objective was to develop alternatives to lithium-ion technology. A project supported by the Swiss National Science Foundation (SNSF) aims to find new materials which can be used in rechargeable batteries and eventually provide alternatives to the current lithium batteries.
When electric vehicles crash, what happens to the battery?
How EV batteries behave in detail during crash loads and what influence the previous life of the battery has on its safety is being investigated by TU Graz and partners in the K-project "SafeBattery". Further photographic material available at the end of this text. Safety, range and costs: these are the three big premises of electromobility.
How EV batteries behave in detail during crash loads and what influence the previous life of the battery has on its safety is being investigated by TU Graz and partners in the K-project "SafeBattery". Further photographic material available at the end of this text. Safety, range and costs: these are the three big premises of electromobility.
Light can improve perovskite solar cell performance
Publishing in Nature, EPFL scientists show how light affects perovskite film formation in solar cells, which is a critical factor in using them for cost-effective and energy-efficient photovoltaics. Perovskites are materials of immense interest in solar energy technology lately, as they promise to bring down the cost of solar cells to very low levels.
Publishing in Nature, EPFL scientists show how light affects perovskite film formation in solar cells, which is a critical factor in using them for cost-effective and energy-efficient photovoltaics. Perovskites are materials of immense interest in solar energy technology lately, as they promise to bring down the cost of solar cells to very low levels.
A simplified fabrication process for high efficiency solar cells
A team of EPFL and CSEM researchers in Neuchâtel has featured in Nature Energy with an astonishing new method for the creation of crystalline solar cells. These cells have electrical contacts at the back, which removes all shadowing at the front. Thanks to this new inexpensive approach, the fabrication process is greatly simplified, with efficiencies in the laboratory already surpassing 23%.
A team of EPFL and CSEM researchers in Neuchâtel has featured in Nature Energy with an astonishing new method for the creation of crystalline solar cells. These cells have electrical contacts at the back, which removes all shadowing at the front. Thanks to this new inexpensive approach, the fabrication process is greatly simplified, with efficiencies in the laboratory already surpassing 23%.
Gelatine instead of forearm
The characteristics of human skin are heavily dependent on the hydration of the tissue - in simple terms, the water content.
The characteristics of human skin are heavily dependent on the hydration of the tissue - in simple terms, the water content.
Shedding light on the absorption of light by titanium dioxide
EPFL scientists have uncovered the hidden properties of titanium dioxide, one of the most promising materials for light-conversion technology. Figure Caption : Lattice structure of anatase TiO 2 with a graphical representation of the 2D exciton that is generated by the absorption of light (purple wavy arrow).
EPFL scientists have uncovered the hidden properties of titanium dioxide, one of the most promising materials for light-conversion technology. Figure Caption : Lattice structure of anatase TiO 2 with a graphical representation of the 2D exciton that is generated by the absorption of light (purple wavy arrow).
Modern construction using long-forgotten techniques
Researchers at ETH Zurich's Department of Architecture (D-ARCH) have developed a concrete floor system that does not require steel reinforcement and is 70 percent lighter than conventional concrete floors.
Researchers at ETH Zurich's Department of Architecture (D-ARCH) have developed a concrete floor system that does not require steel reinforcement and is 70 percent lighter than conventional concrete floors.
Platelets instead of quantum dots
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. Scientists have been researching luminous coloured quantum dots (QDs) since the 1980s. These nanocrystals are now part of our everyday lives: the electronics industry uses them in LCD televisions to enhance colour reproduction and image quality.
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. Scientists have been researching luminous coloured quantum dots (QDs) since the 1980s. These nanocrystals are now part of our everyday lives: the electronics industry uses them in LCD televisions to enhance colour reproduction and image quality.
Ultrafast measurements explain quantum dot voltage drop
Solar cells and photodetectors could soon be made from new types of materials based on semiconductor quantum dots. "Our latest ultrafast electro-optical spectroscopy studies provide unprecedented insights into the photophysics of quantum dots," said lead researcher Victor Klimov.
Solar cells and photodetectors could soon be made from new types of materials based on semiconductor quantum dots. "Our latest ultrafast electro-optical spectroscopy studies provide unprecedented insights into the photophysics of quantum dots," said lead researcher Victor Klimov.
Education - Today
New Vision for Transnational University Collaboration Pioneered under European Degree Label Project
New Vision for Transnational University Collaboration Pioneered under European Degree Label Project
Research management - Today
ERC Consolidator Grants for research on 'politics of the periphery' in Latin America and medieval social norms
ERC Consolidator Grants for research on 'politics of the periphery' in Latin America and medieval social norms
Research management - Today
Sabine van Rijt receives prestigious ERC Grant for her research on biomaterials
Sabine van Rijt receives prestigious ERC Grant for her research on biomaterials
Social Sciences - Today
Analysis: Ukraine war - attitudes to women in the military are changing as thousands serve
Analysis: Ukraine war - attitudes to women in the military are changing as thousands serve

Law - Today
Aristea Koukiadaki awarded ¤2m by the ERC for research on remedies in comparative labour law
Aristea Koukiadaki awarded ¤2m by the ERC for research on remedies in comparative labour law
Health - Today
University of Glasgow to lead international effort to advance cancer care and research
University of Glasgow to lead international effort to advance cancer care and research
Agronomy - Today
Cambridge-led consortium receives $35m to boost crop production sustainably in sub-Saharan Africa
Cambridge-led consortium receives $35m to boost crop production sustainably in sub-Saharan Africa

Social Sciences - Jan 30
Injustice remains: 48-year-old women's prison documentary shows how little has changed
Injustice remains: 48-year-old women's prison documentary shows how little has changed
