News tagged with conductive properties

Reversible doping: Hydrogen flips switch on vanadium oxide

If you are not a condensed matter physicist, vanadium oxide (VO2) may be the coolest material you've never heard of. It's a metal. It's an insulator. It's a window coating and an optical switch. And thanks ...

Physics / Condensed Matter

created May 21, 2012 | popularity 5 / 5 (4) | comments 1 | with audio podcast

Rare earth metals: Another challenge for the green economy?

If you follow the clean energy dialogue, then you may have encountered discussions about the role of rare earth metals at some point in the last year or two. If not, read on, because rare earths should not ...

Technology / Energy & Green Tech

created Apr 03, 2012 | popularity not rated yet | comments 1

Researchers develop new way to oxidize graphene: A step toward better electronics

Researchers at Northwestern University have developed a new method for chemically altering graphene, a development that could be a step toward the creation of faster, thinner, flexible electronics.

Nanotechnology / Nanomaterials

created Feb 19, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Experiments prove nanoscale metallic conductivity in ferroelectrics

(PhysOrg.com) -- The prospect of electronics at the nanoscale may be even more promising with the first observation of metallic conductance in ferroelectric nanodomains by researchers at Oak Ridge National ...

Nanotechnology / Nanophysics

created Jan 09, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Record conductivity achieved in strained lattice organic semiconductor

(PhysOrg.com) -- Organic semiconductors could usher in an era of foldable smartphones, better high-definition television screens and clothing made of materials that can harvest energy from the sun needed to ...

Technology / Semiconductors

created Dec 21, 2011 | popularity 4.3 / 5 (4) | 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

How graphene's electrical properties can be tuned

An accidental discovery in a physicist's laboratory at the University of California, Riverside provides a unique route for tuning the electrical properties of graphene, nature's thinnest elastic material. ...

Nanotechnology / Nanophysics

created Sep 26, 2011 | popularity 4.3 / 5 (9) | comments 2 | with audio podcast

Bristol physicists break 150-year-old law

(PhysOrg.com) -- A violation of one of the oldest empirical laws of physics has been observed by scientists at the University of Bristol. Their experiments on purple bronze, a metal with unique one-dimensional ...

Physics / General Physics

created Jul 20, 2011 | popularity 4.4 / 5 (33) | comments 21 | with audio podcast

Defect in graphene may present bouquet of possibilities

(PhysOrg.com) -- A class of decorative, flower-like defects in the nanomaterial graphene could have potentially important effects on the material's already unique electrical and mechanical properties, according ...

Nanotechnology / Nanophysics

created May 25, 2011 | popularity 4.4 / 5 (7) | comments 2 | with audio podcast

Nature of bonding determines thermal conductivity

Optical data carriers such as DVDs, Blu-rays and CD-RWs store data in layers of so-called "phase change materials". In the future, these materials will enable the development of fast, non-volatile and energy-saving main memories. ...

Physics / Condensed Matter

created May 03, 2011 | popularity not rated yet | comments 1 | with audio podcast

Tuning the collective properties of artificial nanoparticle supercrystals

Precise ordering in two-dimensional (2-D) and three-dimensional (3-D) superlattices formed by the self-assembly of individual nanocrystals (NCs) allows for control of the magnetic, optical, and electronic ...

Nanotechnology / Nanophysics

created Feb 16, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Radically simple technique developed to grow conducting polymer thin films

(PhysOrg.com) -- Oil and water don't mix, but add in some nanofibers and all bets are off.

Nanotechnology / Nanomaterials

created Nov 01, 2010 | popularity 5 / 5 (11) | comments 1 | with audio podcast

Designer optoelectronics - quantum mechanics for new materials

European researchers have combined computer modelling of quantum mechanics and precision fabrication processes to create novel transparent conductive oxides made to order for a wide range of scientific and ...

Nanotechnology / Nanomaterials

created Aug 27, 2010 | popularity 4.4 / 5 (9) | comments 2 | with audio podcast

Magnets trump metallics: Magnetic fields can block conductivity of carbon nanotubes

Metallic carbon nanotubes show great promise for applications from microelectronics to power lines because of their ballistic transmission of electrons. But who knew magnets could stop those electrons in their ...

Nanotechnology / Nanophysics

created Jul 08, 2010 | popularity 4.6 / 5 (14) | comments 0 | with audio podcast

Large sheets of graphene film produced for transparent electrodes (w/ Video)

(PhysOrg.com) -- Graphene is a relatively new material with outstanding electrical, chemical and mechanical properties that make it an attractive material for use as flexible conductors of the sort used in ...

Nanotechnology / Nanomaterials

created Jun 21, 2010 | popularity 4.6 / 5 (29) | comments 11 | with audio podcast report