News tagged with atomic electrons

Graphene on boron nitride work may lead to breakthrough in microchip technology

(Phys.org) -- Graphene is the wonder material that could solve the problem of making ever faster computers and smaller mobile devices when current silicon microchip technology hits an inevitable wall. Graphene, ...

Nanotechnology / Nanophysics

created May 28, 2012 | popularity 4.6 / 5 (9) | comments 4 | with audio podcast

In nanorod crystal growth, nanoparticles seen as artificial atoms

In the growth of crystals, do nanoparticles act as "artificial atoms" forming molecular-type building blocks that can assemble into complex structures? This is the contention of a major but controversial theory ...

Nanotechnology / Nanophysics

created May 24, 2012 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast

Electronic congestion in the microchips of the future

(Phys.org) -- Electrons within some materials can stick together like cars on a traffic jam. Swiss researchers studying promising materials for the future of electronics have been able to highlight this phenomenon

Physics / Condensed Matter

created May 16, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Watching an electron being born

Atomic processes take place on extremely short time scales. Measurements at the Vienna University of Technology (TU Vienna) can now visualize these processes.

Physics / General Physics

created May 15, 2012 | popularity 5 / 5 (5) | comments 1

New research could mean faster computers and better mobile phones

Graphene and carbon nanotubes could improve the electronics used in computers and mobile phones, reveals new research from the University of Gothenburg, Sweden.

Nanotechnology / Nanomaterials

created May 14, 2012 | popularity 3 / 5 (2) | comments 1

In metallic glasses, researchers find a few new atomic structures

Drawing on powerful computational tools and a state-of-the-art scanning transmission electron microscope, a team of University of Wisconsin-Madison and Iowa State University materials science and engineering researchers has ...

Physics / Condensed Matter

created May 11, 2012 | popularity 3.4 / 5 (7) | comments 2 | with audio podcast

Billard game in an atom: Physicists trace the double ionization of argon atoms on attosecond time scales

(Phys.org) -- When an intense laser pulse interacts with an atom it generates agitation on the micro scale. A rather likely outcome of this interaction is single ionization, where one electron is ejected from ...

Physics / General Physics

created May 08, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Physicists show standard 'quasiparticle' theory breaks down at 'quantum critical point'

A new study this week finds that "quantum critical points" in exotic electronic materials can act much like polarizing "hot button issues" in an election. Reporting in Nature, researchers from Rice Univer ...

Physics / General Physics

created Apr 25, 2012 | popularity 4.7 / 5 (3) | comments 6 | with audio podcast

First atomic-scale real-time movies of platinum nanocrystal growth in liquids

They won't be coming soon to a multiplex near you, but movies showing the growth of platinum nanocrystals at the atomic-scale in real-time have blockbuster potential. A team of scientists with the Lawrence ...

Nanotechnology / Nanomaterials

created Apr 19, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Metal oxides hold the key to cheap, green energy

Harnessing the energy of sunlight can be as simple as tuning the optical and electronic properties of metal oxides at the atomic level by making an artificial crystal or super-lattice 'sandwich' says a Binghamton ...

Nanotechnology / Nanomaterials

created Apr 19, 2012 | popularity 4.9 / 5 (10) | comments 0 | with audio podcast

Graphene lenses: 2-D electron shepherds

Researchers discover that a deformed layer of graphene can focus electrons similar to the way an optical lens bends light.

Physics / Optics & Photonics

created Apr 18, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Electron microscopy inspires flexoelectric theory behind 'material on the brink'

Electron microscopy, conducted as part of the Shared Research Equipment (ShaRE) User Program at the Department of Energy's Oak Ridge National Laboratory, has led to a new theory to explain intriguing properties in a material ...

Physics / Condensed Matter

created Apr 13, 2012 | popularity 4.7 / 5 (6) | comments 0 | with audio podcast

Ferroelectric oxides do the twist

(Phys.org) -- Some materials, by their nature, do what we want them to do -- notably, the ubiquitous, semiconducting silicon found in almost every electronic device. But sometimes, naturally occurring materials ...

Physics / Condensed Matter

created Apr 12, 2012 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Size matters - even for molecules

Two electrons that are emitted from a large molecule by a single photon may originate from far apart within that molecule. In a recent study on hydrocarbon molecules consisting of one to five fused benzene ...

Physics / General Physics

created Apr 11, 2012 | popularity 5 / 5 (3) | comments 0

Sulfur in every pore: Improved batteries with carbon nanoparticles

From smartphones to e-bikes, the number of mobile electronic devices is steadily growing around the world. As a result, there is an increased need for batteries that are small and light, yet powerful. As the ...

Nanotechnology / Nanomaterials

created Apr 10, 2012 | popularity 5 / 5 (2) | comments 1 | with audio podcast