Surface structures - 25 News

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Surface structures - 25 News

Tip: You can further refine your news selection by departments, organizations, countries and industries.

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The insulator unraveled

Scientists have uncovered the detailed structure of the aluminum oxide surface, a challenge that has baffled researchers for decades

18-Sep-2024 - Aluminum oxide (Al2O3), also known as alumina, corundum, sapphire, or ruby, is one of the best insulators used in a wide range of applications: in electronic components, as a support material for catalysts, or as a chemically resistant ceramic, to name a few. Knowledge of the precise arrangement ...

surface structures alumina atomic force microscopy
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Gold membrane coaxes secrets out of surfaces

Thousand-fold signal amplification

26-Jun-2024 - Using a special wafer-thin gold membrane, ETH researchers have made it significantly easier to study surfaces. The membrane makes it possible to measure properties of surfaces that are inaccessible to conventional methods. “Surfaces were invented by the devil” - this quote is attributed to the ...

surface structures material analysis material science
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Inspired by the gecko: Better adhesion properties of plastics through combined micro- and nanostructures

Structured surface improves adhesion, wettability, optical reflection, hydrophobicity and recyclability.

27-Feb-2024 - With a patented process for micro-nano-structuring, the Fraunhofer Institute for Microstructure of Materials and Systems IMWS in Halle (Saale) has achieved significant improvements in the adhesion properties of polymers. The process, in which structured surfaces are produced by hot imprinting or ...

surface structures adhesion hydrophobicity
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Polymer-Based Tunable Optical Components

Interdisciplinary Research Team Develops Meta-Surface that Can Be Switched with Light

27-Feb-2024 - A material coating, whose light refraction properties can be precisely switched between different states, has been developed by an interdisciplinary research team from the Chemistry and Physics departments at the University of Jena. The team, led by Felix Schacher, Sarah Walden, Purushottam ...

surface structures coatings nanostructures
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Chemists uncover cracks in the amour of cellulose nanocrystals

The most detailed look yet at the surface chemistry and structure of individual cellulose nanocrystal particles

19-Oct-2022 - Chemists in Japan, Canada and Europe have uncovered flaws in the surface structure of cellulose nanocrystals—an important step toward deconstructing cellulose to produce renewable nano-materials relevant to biochemical products, energy solutions, and biofuels. The findings—published in Science ...

surface structures atomic force microscopy cellulose
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Surface imaging technique illuminates potential improvements in plastics production

DESY's free-electron laser FLASH shows chemical changes in surfaces

24-Aug-2022 - Consider the humble plastic food wrapper. It may seem like a simple clear film that wraps a loaf of bread or fruit gummies, but these films are less simply composed as it seems.Each individual layer must be chemically treated so that it adheres well to the next. In their efforts to adapt an ...

surface structures foils free-electron lasers
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Ice-free in icy worlds: Special shell protects scallop from ice build-up

Airplane wings that don't ice up or solar cells that generate electricity even in winter - ice-free surfaces are important for many applications

07-Mar-2022 - A team of scientists led by Konrad Meister, professor at the University of Alaska Southeast and group leader at the Max Planck Institute for Polymer Research, has now studied an Antarctic scallop species that opposes the icing process with the help of its shell surface. Due to their special ...

surface structures Adamussium colbecki bionics
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Applying the butterfly principle

Researchers have created artificial colours by 3D printing certain nanostructures inspired by those of a butterfly

11-Feb-2022 - For their new technology, scientists in the group of Andrew deMello, Professor of Biochemical Engineering, drew inspiration from butterflies. The wings of the species Cynandra opis, native to tropical Africa, are decorated with brilliant colours. These are produced by extremely intricate regular ...

surface structures 3D printing butterflies
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Lotus effects by laser

Fast and much more versatile than coatings: Fusion Bionic established

03-Feb-2022 - Nano- and microstructures can now be incorporated into surfaces in an instant using lasers. The technology is being developed and marketed by the Dresden-based start-up Fusion Bionic, a spin-off from the Fraunhofer Institute for Material and Beam Technology IWS. The possibilities are virtually ...

surface structures interference lasers
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The bitumen puzzle

Mix of methods provides new info

07-Jul-2021 - Although the history of bitumen dates back to the third millennium BC, only little is known about its surface structure. Researchers from TU Wien are now shedding light on the nature of the bitumen surface using physicochemical analyses. While atomic force microscopy and scanning electron ...

surface structures bitumen fluorescence microscopy
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