News tagged with silicon 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

Method that can validate nuclear collision models benefits IAEA

A novel technique for materials research is unexpectedly also contributing to the nuclear safety efforts of the International Atomic Energy Agency. Pacific Northwest National Laboratory scientist Dr. Weilin ...

Physics / General Physics

created Jan 25, 2012 | popularity not rated yet | comments 0

A new class of electron interactions in quantum systems

Physicists at the University of New South Wales have observed a new kind of interaction that can arise between electrons in a single-atom silicon transistor.

Physics / Quantum Physics

created Jan 23, 2012 | popularity 4.8 / 5 (14) | comments 0 | with audio podcast

Persilastaffanes: silicon frameworks with delocalized sigma electrons

(PhysOrg.com) -- Persilastaffanes are an unusual new class of compounds that are introduced in the journal Angewandte Chemie by Japanese researchers led by Takeaki Iwamoto at Tohoku University. They are ro ...

Chemistry / Materials Science

created Jan 09, 2012 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Narrowest conducting wires in silicon ever made show the same current capability as copper

The narrowest conducting wires in silicon ever made – just four atoms wide and one atom tall – have been shown to have the same electrical current carrying capability of copper, according to a new ...

Nanotechnology / Nanophysics

created Jan 05, 2012 | popularity 4.6 / 5 (13) | comments 12 | with audio podcast

'Nanowiggles:' Scientists discover graphene nanomaterials with tunable functionality in electronics

Electronics are getting smaller and smaller, flirting with new devices at the atomic scale. However, many scientists predict that the shrinking of our technology is reaching an end. Without an alternative ...

Nanotechnology / Nanomaterials

created Jan 04, 2012 | popularity 5 / 5 (8) | comments 3 | 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

Study compares fundamental techniques for doping graphene sheets

(PhysOrg.com) -- Nanotechnology researchers at the Georgia Institute of Technology have conducted the first direct comparison of two fundamental techniques that could be used for chemically doping sheets of ...

Nanotechnology / Nanomaterials

created Nov 07, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Nanotubes key to microscopic mechanics

In the latest issue of Elsevier's Materials Today, researchers from Spain and Belgium reported on the innovative use of carbon nanotubes to create mechanical components for use in a new generation of micro-machines. While ...

Nanotechnology / Nanomaterials

created Oct 25, 2011 | popularity not rated yet | comments 0

Controlling silicon evaporation allows scientists to boost graphene quality

Scientists from the Georgia Institute of Technology have for the first time provided details of their "confinement controlled sublimation" technique for growing high-quality layers of epitaxial graphene on ...

Nanotechnology / Nanomaterials

created Sep 22, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Brittle silicon shows exceptional plasticity on the nanoscale

(PhysOrg.com) -- On the macroscale, silicon is a brittle material that cannot be easily molded into a desired shape. But scientists have found that a piece of silicon just 3 nm long can be stretched to more than 20 times ...

Nanotechnology / Nanomaterials

created Aug 26, 2011 | popularity 5 / 5 (4) | comments 2 | with audio podcast feature

Let's get physics-al: Computing will continue to evolve into the future

Will the future bring us the teleportation devices of "Star Trek" or the sinister machines of the "Matrix"? Theoretical physicist Michio Kaku of the City College of New York says that many of the things that were once the ...

Other Sciences / Other

created Jun 14, 2011 | popularity 3.4 / 5 (7) | comments 0

Study raises questions on what causes silicon solar cell degradation

(PhysOrg.com) -- After several hours of exposure to sunlight, silicon solar cells experience light-induced degradation, which can decrease their efficiency by up to 10%. In a new study, scientists have attempted ...

Physics / Condensed Matter

created Jun 03, 2011 | popularity 3.5 / 5 (4) | comments 1 | with audio podcast feature

Researchers develop integrated nanomechanical sensor for atomic force microscopy

(PhysOrg.com) -- The atomic force microscope (AFM) is an important tool for nanoscale surface metrology. Typical AFMs map local tip-surface interactions by scanning a flexible cantilever probe over a surface. ...

Nanotechnology / Nanophysics

created Jun 02, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Boron nitride is a promising path to practical graphene devices

(PhysOrg.com) -- Graphene is a two-dimensional honeycomb of carbon, just one atom thick, whose intriguing electronic properties include very high electron mobility and very low resistivity. Graphene is so ...

Nanotechnology / Nanomaterials

created May 30, 2011 | popularity 4.6 / 5 (8) | comments 3 | with audio podcast