Science et Technique
Follow
Find
2.2K views | +0 today
Your new post is loading...
Your new post is loading...
Rescooped by David Varenne from Amazing Science
Scoop.it!

Platinum meets its match in quantum dots from coal

Platinum meets its match in quantum dots from coal | Science et Technique | Scoop.it
Graphene quantum dots created at Rice University grab onto graphene platelets like barnacles attach themselves to the hull of a boat.

Via Dr. Stefan Gruenwald
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

Studying nanocrystals by passing them through tiny pores

Studying nanocrystals by passing them through tiny pores | Science et Technique | Scoop.it
Researchers have now applied a cutting-edge technique for rapid gene sequencing toward measuring other nanoscopic structures.
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

New Solar Cells Use Perovskite To Turn Water Into Energy

New Solar Cells Use Perovskite To Turn Water Into Energy | Science et Technique | Scoop.it
The material, replacing silicon, splits water into hydrogen and oxygen efficiently and inexpensively
-- Read more on ScientificAmerican.com
more...
No comment yet.
Rescooped by David Varenne from Amazing Science
Scoop.it!

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
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

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...
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

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.
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

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.
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

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 ?
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

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 ?
more...
No comment yet.
Rescooped by David Varenne from Amazing Science
Scoop.it!

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
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

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.
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

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.
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

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.
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

New organic semiconductor material: Organic tin in polymers increases their light absorption

New organic semiconductor material: Organic tin in polymers increases their light absorption | Science et Technique | Scoop.it
Researchers have integrated organic tin into semiconducting polymers (plastics) for the first time. Semiconducting polymers can be used, for example, for the absorption of sun light in solar cells.
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

Graphene looks promising as a flexible, low-cost touchscreen solution

Graphene looks promising as a flexible, low-cost touchscreen solution | Science et Technique | Scoop.it
New research suggests that graphene-treated nanowires could soon replace current touchscreen technology, significantly reducing production costs and allowing for more affordable, flexible displays.
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

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.
more...
No comment yet.
Rescooped by David Varenne from Amazing Science
Scoop.it!

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
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

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.
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

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.
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

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.
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

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 ?
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

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.
more...
No comment yet.
Rescooped by David Varenne from Amazing Science
Scoop.it!

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
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

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.
more...
No comment yet.
Scooped by David Varenne
Scoop.it!

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 --...
more...
No comment yet.