News tagged with surface atoms

Microscopy reveals 'atomic antenna' behavior in graphene

Atomic-level defects in graphene could be a path forward to smaller and faster electronic devices, according to a study led by researchers at the Department of Energy's Oak Ridge National Laboratory.

Nanotechnology / Nanomaterials

created Jan 31, 2012 | popularity 5 / 5 (11) | comments 1 | with audio podcast

Metadynamics technique offers insight into mineral growth and dissolution

By using a novel technique to better understand mineral growth and dissolution, researchers at the Department of Energy's Oak Ridge National Laboratory are improving predictions of mineral reactions and laying the groundwork ...

Chemistry / Materials Science

created Jan 23, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

DNA as invisible ink can reversibly hide patterns

(PhysOrg.com) -- While most people know of DNA as the building blocks of life, these large molecules also have potential applications in areas such as biosensing, nanoparticle assembly, and building supramolecular ...

Nanotechnology / Bio & Medicine

created Jan 23, 2012 | popularity 4.3 / 5 (8) | comments 0 | with audio podcast feature

Neutron scattering provides window into surface interactions

To better understand the fundamental behavior of molecules at surfaces, researchers at the U.S. Department of Energy's Oak Ridge National Laboratory are combining the powers of neutron scattering with chemical analysis.

Physics / General Physics

created Jan 17, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

On the edge of friction

(PhysOrg.com) -- The problem exists on both a large and a small scale, and it even bothered the ancient Egyptians. However, although physicists have long had a good understanding of friction in things like ...

Physics / Condensed Matter

created Dec 20, 2011 | popularity 4.7 / 5 (6) | comments 3 | with audio podcast

The smallest conceivable switch: Targeted proton transfer within a molecule

For a long time miniaturization has been the magic word in electronics. Dr. Willi Auwaerter and Professor Johannes Barth, together with their team of physicists at the Technische Universitaet Muenchen (TUM), ...

Nanotechnology / Nanophysics

created Dec 12, 2011 | popularity 4.7 / 5 (7) | comments 0 | with audio podcast

First proof of single atomic layer material with zero electrical resistance

A research group at the NIMS International Center for Materials Nanoarchitectonics (MANA) has proved that the electrical resistance of a metal single atomic layer on a silicon surface becomes zero by superconductivity.

Physics / Superconductivity

created Nov 24, 2011 | popularity 5 / 5 (7) | comments 8

World's smallest four-wheel-drive is a billionth of a meter (Update)

(PhysOrg.com) -- Reduced to the max: the emission-free, noiseless 4-wheel drive car, jointly developed by Empa researchers and their Dutch colleagues, represents lightweight construction at its most extreme. ...

Nanotechnology / Nanophysics

created Nov 09, 2011 | popularity 4.8 / 5 (6) | comments 2 | with audio podcast

Nanoparticle imaging: A resonant improvement

Raman spectroscopy is a powerful technique for analyzing atomic structure based on the inelastic scatter of light from molecules, with diverse applications including medical imaging and chemical sensing. Researchers ...

Nanotechnology / Bio & Medicine

created Oct 28, 2011 | popularity 5 / 5 (1) | comments 0

Research: Graphene grows better on certain copper crystals

New observations could improve industrial production of high-quality graphene, hastening the era of graphene-based consumer electronics, thanks to University of Illinois engineers.

Nanotechnology / Nanomaterials

created Oct 27, 2011 | popularity 4.9 / 5 (9) | comments 9 | with audio podcast

France launches vast solar panel array

France on Thursday launched its largest-ever solar energy farm, with an array of panels spread over about 200 hectares (500 acres) in the mountainous southern Alpes-de-Haute-Provence region.

Technology / Energy & Green Tech

created Oct 13, 2011 | popularity 4.3 / 5 (9) | comments 11

All that glitters is not gold

(PhysOrg.com) -- Researchers developing key new technology electronics like quantum computing or advanced detectors, as well as those studying basic material science and metal surface properties, often find ...

Physics / Condensed Matter

created Sep 29, 2011 | popularity 5 / 5 (3) | comments 1

Graphene nanoribbons grow due to domino-like effect

(PhysOrg.com) -- While many labs are trying to efficiently synthesize large two-dimensional sheets of graphene, a team of researchers from Sweden and the UK is investigating the synthesis of very thin strips ...

Nanotechnology / Nanomaterials

created Sep 15, 2011 | popularity 4.6 / 5 (8) | comments 1 | with audio podcast feature

Inside story: Chemical reactivity on the inner surface of single-walled carbon nanotubes

(PhysOrg.com) -- Historically, the interior surface of single-walled carbon nanotubes (SWNTs) has not been considered to be chemically reactive. Recently, however, researchers at the University of Nottingham School of Chemistry in the UK and the Ulm Un ...

Nanotechnology / Nanomaterials

created Sep 15, 2011 | popularity 4 / 5 (5) | comments 2 | with audio podcast feature

Submerged atomic resolution imaging of calcium carbonate crystal surface

Hard tissues of organisms, such as bones and shells, are composed of inorganic minerals (biominerals). While these substances are created by biomineralization, which will be discussed later, many uncertainties ...

Nanotechnology / Nanophysics

created Sep 05, 2011 | popularity 5 / 5 (1) | comments 0