BUSINESS

Ferroelectric phenomenon proven viable for oxide electrodes, disproving predictions

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Researchers in China have disproved the theory that oxide electrodes destabilize ferroelectric phenomena called flux-closure domains in ferroelectric thin filmsFlux-closure domain (FCD) structures are microscopic topological phenomena found in ferroelectric thin films that feature distinct electric polarization...Powered by WPeMatico

ASU geoscientists find explanation for puzzling pockets of rock deep in Earth’s mantle

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A team led by geoscientists from Arizona State University and Michigan State University has used computer modeling to explain how pockets of mushy rock accumulate at the boundary between Earth's core and mantle.These pockets, lying roughly 2,900 kilometers (1,800 miles) below the surface, have been known for many years, but previously lacked an explanation of how they...Powered by WPeMatico

Energy storage solution combines polymers and nanosheets

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A new, lightweight composite material for energy storage in flexible electronics, electric vehicles and aerospace applications has been experimentally shown to store energy at operating temperatures well above current commercial polymers, according to a team of Penn State scientists. This polymer-based, ultrathin material can be produced using techniques already used in industry."This is part of a series of work we have done in our lab on high-temperature dielectrics for use in capacitors," said Qing Wang, professor of materials...Powered by WPeMatico

Innovative Infrared Emitters Optimize the Manufacture of Vehicle Interior Fittings Using Vacuum Lamination

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Precisely matched infrared systems from Heraeus Noblelight are helping to provide significant improvements in the production of the interior fitting of motor vehicles. The use of Heraeus infrared emitters to assist the vacuum laminating technology at equipment and technology suppliers, 3CON, of Ebbs, Austria, is reducing cycle times by five seconds, liberating several square meters of valuable floor space and saving up to 30% in energy costs.As a leading manufacturer of vacuum laminating plant for motor vehicle applications, 3CON is using Heraeus infrared emitters for the heating of PVC foil and...Powered by WPeMatico

Magnon circular birefringence: Polarization rotation of spin waves and its applications

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An international team of researchers from Thailand, USA and Japan, has conducted a thorough study of an exotic behavior of material called "noncentrosymmetric antiferromagnet."The team, monitoring the behavior of the propagation of spin waves in magnetic material, has reported its findings [1], which show, for the first time, direct evidence of the nonreciprocal magnons.A "circular birefringence" effect, where photons travelling inside a certain kind of crystal have different speeds depending on their circular polarization is...Powered by WPeMatico

Characteristics of metabolically unhealthy lean people

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Compared to people who are of normal weight and metabolically healthy, subjects who are of normal weight but metabolically unhealthy (~20% of normal weight adults) have a more than three-fold higher risk of mortality and/or cardiovascular events. This risk is also higher than that of metabolically healthy obese subjects. DZD-Researcher have now addressed characteristics determining metabolic health in lean, overweight and obese people, showed that a reduced accumulation of fat in the lower body puts lean people at risk and highlighted implications of their findings for personalized prevention and treatment of cardiometabolic diseases.It has now been established that a body-mass index (BMI) in the normal weight range (defined by WHO as a BMI of 18·5–

Foldable like an accordion: international research team bends individual nanostructures

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Since a research group at Kiel University (CAU) and the Hamburg University of Technology (TUHH) in Hamburg-Harburg has developed aerographite – one of the most light weight materials in the world – in the year 2012 -, they have continued researching about it. Its complex tetrapodal architecture gives the carbon-based 3D material very unique properties, such as extremely high elasticity and electrical conductivity. Now, for the first time, as part of an international research team, materials scientists from the CAU were able to fold the individual hollow tetrapods, each measuring only a few micrometers in size.After bending, the tetrapods automatically retain its original shape, without suffering any damage. This makes advanced applications conceivable, both in...Powered by WPeMatico

Species Richness – a false friend? Scientists want to improve biodiversity assessments

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Assessing the state of an ecosystem solely on the basis of short-term changes in the number of different species it contains can lead to false conclusions. This is according to a new analysis by an international team including researchers of the Helmholtz Institute for Functional Marine Biodiversity (HIFMB) at the University of Oldenburg and the German Centre for Integrative Biodiversity Research (iDiv). In order to assess ecosystems in a way that is meaningful for nature conservation, experts should instead analyse the turnover of species within a system. The research, based on a mathematical model and environmental data analysis, is published online in the "Journal of Applied Ecology".A growing number of species are under threat of extinction – in particular due to global environmental c