Science et Technique
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Briques de céramique : une nouvelle structure interne pour une meilleure isolation phonique (Matériaux)

Briques de céramique : une nouvelle structure interne pour une meilleure isolation phonique (Matériaux) | Science et Technique | Scoop.it
Une équipe de chercheurs de l'Université Polytechnique de Madrid, est parvenue à améliorer l'efficacité de l'isolation acoustique de murs construits à partir de briques de céramique, en modifiant leur géométrie interne.
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Scientists synthesize Germanene, a novel two-dimensional germanium allotrope akin to graphene and silicene

Scientists synthesize Germanene, a novel two-dimensional germanium allotrope akin to graphene and silicene | Science et Technique | Scoop.it
After the successful synthesis of silicene in 2012, which was followed by a surge of studies on elemental, novel two-dimensional (2D) materials beyond graphene, a daunting quest was to obtain germanene, the germanium-based analogue of graphene,...

Via Dr. Stefan Gruenwald
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Scientists grow a new challenger to graphene

Scientists grow a new challenger to graphene | Science et Technique | Scoop.it
Scientists have developed a new way to fabricate a potential challenger to graphene.
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2-D materials' crystalline defects key to new properties

2-D materials' crystalline defects key to new properties | Science et Technique | Scoop.it
Understanding how atoms 'glide' and 'climb' on the surface of 2-D crystals like tungsten disulphide may pave the way for researchers to develop materials with unusual or unique characteristics, according to an international team of researchers.
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Mechanism behind solid-solid phase transitions uncovered

Mechanism behind solid-solid phase transitions uncovered | Science et Technique | Scoop.it
Two solids made of the same elements but with different geometric arrangements of the atoms, or crystal phases, can produce materials with different properties. Coal and diamond offer a spectacular example of this effect.
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Corrosion-érosion des aciers ferritiques dans les centrales nucléaires

Corrosion-érosion des aciers ferritiques dans les centrales nucléaires | Science et Technique | Scoop.it
Savez-vous que la corrosion-érosion peut conduire à la rupture des composants métalliques en acier, faiblement ou non alliés, soumis au contact de l’eau ou de vapeur humide ?
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Engineers show light can play seesaw at the nanoscale: Step toward faster and more energy-efficient optical devices

Engineers show light can play seesaw at the nanoscale: Step toward faster and more energy-efficient optical devices | Science et Technique | Scoop.it
Electrical engineering researchers have developed a unique nanoscale device that for the first time demonstrates mechanical transportation of light.
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Scientists reconstruct 3D shape of a nanoscale crystal with atomic precision from a single image

Scientists reconstruct 3D shape of a nanoscale crystal with atomic precision from a single image | Science et Technique | Scoop.it
Scientists from Jülich and Xi’an have developed a new method with which crystal structures can be reconstructed with atomic precision in all three dimensions.

Via Dr. Stefan Gruenwald
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Tunable quantum behavior observed in bilayer graphene

Tunable quantum behavior observed in bilayer graphene | Science et Technique | Scoop.it
Researchers have observed the fractional quantum Hall effect in bilayer graphene and shown that this exotic state of matter can be tuned by an electric field.
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Inspired by nature, researchers create tougher metal materials

Inspired by nature, researchers create tougher metal materials | Science et Technique | Scoop.it
Drawing inspiration from the structure of bones and bamboo, researchers have found that by gradually changing the internal structure of metals they can make stronger, tougher materials that can be customized for a wide variety of applications --...
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Superconducting-silicon qubits: Using a bottom-up approach to make hybrid quantum devices

Superconducting-silicon qubits: Using a bottom-up approach to make hybrid quantum devices | Science et Technique | Scoop.it
Theorists propose a way to make superconducting quantum devices such as Josephson junctions and qubits, atom-by-atom, inside a silicon crystal.
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Study helps unlock mystery of high-temp superconductors

Study helps unlock mystery of high-temp superconductors | Science et Technique | Scoop.it
Physicists say they have unlocked one key mystery surrounding high-temperature superconductivity. Their research found a remarkable phenomenon in copper-oxide (cuprate) high-temperature superconductors.
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Green spaces in cities may increase erosion of building materials such as stone, concrete and steel

Green spaces in cities may increase erosion of building materials such as stone, concrete and steel | Science et Technique | Scoop.it
Green spaces in towns and cities need extra consideration as they may be damaging buildings in the area, according to new research.
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Physicists design record-breaking laser that accelerates the interaction between light and matter by ten times

Physicists design record-breaking laser that accelerates the interaction between light and matter by ten times | Science et Technique | Scoop.it
Reporting in the journal Nature Physics, physicists from Imperial College London and the Friedrich-Schiller-Universität Jena, in Germany, used semiconductor nanowires made of zinc oxide and placed them on a silver surface to create ultra-fast...

Via Dr. Stefan Gruenwald
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Future flexible electronics based on carbon nanotubes

Future flexible electronics based on carbon nanotubes | Science et Technique | Scoop.it
Researchers have demonstrated a new method to improve the reliability and performance of transistors and circuits based on carbon nanotubes, a semiconductor material that has long been considered by scientists as one of the most promising...
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Novel method to synthesize nanoparticles

Novel method to synthesize nanoparticles | Science et Technique | Scoop.it
Oxide nanoparticles have been shown to be crucial components in numerous applications to include electronic and magnetic devices, energy storage and generation, and as magnetic nanoparticles for use in magnetic resonance imaging.
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Solar cell powers water-to-hydrogen conversion

Solar cell powers water-to-hydrogen conversion | Science et Technique | Scoop.it
High efficiency could make perovskite solar cells useful for generating environmentally friendly fuel.
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Céramiques réfractaires

Céramiques réfractaires | Science et Technique | Scoop.it
Savez-vous que les propriétés des céramiques réfractaires, notamment leur infusibilité, sont directement liées à leur organisation à l’échelle de la microstructure ?
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Plasmons de surface : principes physiques et applications

Plasmons de surface : principes physiques et applications | Science et Technique | Scoop.it
Connaissez-vous les conditions de génération et d’excitation des plasmons de surface à une interface planaire métallique ?
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A New Temperature Switchable Membrane to Increase and Regulate Flow

A New Temperature Switchable Membrane to Increase and Regulate Flow | Science et Technique | Scoop.it
A team of scientists from Yale University and the University of Connecticut have developed a novel membrane with highly aligned nanoscale pores that open and close in response to temperature; this highly porous, valve-like material has many...

Via Dr. Stefan Gruenwald
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Auto-assemblage moléculaire pour l'avenir de l'électronique (Micro/nanotechnologies)

Auto-assemblage moléculaire pour l'avenir de l'électronique (Micro/nanotechnologies) | Science et Technique | Scoop.it
Les molécules qui s'auto-assemblent en formant des structures stables avec une précision qui atteint le nanomètre sont l'avenir de l'électronique.
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Hollow-fiber membranes could cut separation costs, energy use

Hollow-fiber membranes could cut separation costs, energy use | Science et Technique | Scoop.it
Researchers have developed a microfluidic technique for fabricating a new class of metal-organic framework (MOF) membranes inside hollow polymer fibers that are just a few hundred microns in diameter.
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Revolutionary device makes machining composites as easy as ‘cutting through butter’

Revolutionary device makes machining composites as easy as ‘cutting through butter’ | Science et Technique | Scoop.it
Researchers have developed a device which could revolutionize the way cutting, drilling and milling is done in manufacturing.
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Metamaterial gives visible light a nearly infinite wavelength

Metamaterial gives visible light a nearly infinite wavelength | Science et Technique | Scoop.it
The new metamaterial is made by stacking silver and silicon nitride nanolayers. It may find applications in novel optical components or circuits and the design of more efficient leds. The work will appear on October 13th in Nature Photonics.

Via Dr. Stefan Gruenwald
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Interlayer distance in graphite oxide gradually changes when water is added

Interlayer distance in graphite oxide gradually changes when water is added | Science et Technique | Scoop.it
Physicists have solved a mystery that has puzzled scientists for half a century. They show with the help of powerful microscopes that the distance between graphite oxide layers gradually increases when water molecules are added.
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