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Technology update RSS feedRedefining the ampere with the help of graphene?
May 24, 2013
New carbon-based single-electron pump could help redefine the standard unit of current
Graphene becomes bistable
May 23, 2013
Resonant tunnelling and strong negative differential conductance could help make high-speed logic devices from wonder material, says UK team
Hofstadter's butterfly spotted in graphene
May 20, 2013
Moiré superlattices create stunning quantum effect and highlight progress in stacking individual atomic planes
Surface charge transfer n-dopes semiconducting thin films
May 17, 2013
Result bodes well for CMOS devices.
Making 2D semiconductors emit more light
May 16, 2013
Photoluminescence increased by 100-fold using just oxygen and water vapour.
TMDC "wallpaper" produces electricity
May 10, 2013
Researchers make new photovoltaic structure from 2D semiconducting dichalcogenides.
Capillary flow sorts SWNTs
May 9, 2013
A novel way to separate metallic and semiconducting nanotubes.
How nanocrystals squeeze through nanotubes
May 3, 2013
Crystals reform at atomic scale to pass through narrow passages within nanotubes.
Magnetic defects upset graphene electron spins
May 2, 2013 1 comment
"Wonder material" is a bad spin conductor, but shouldn’t be.
Nanoparticles slow down cancer cells
Apr 29, 2013
But healthy cells behave differently following nanoparticle uptake.
Light-scattering nanowires could help improve LEDs
Apr 26, 2013
Southampton team on track for observing Anderson localization.
New transfer tactics make better graphene devices
Apr 25, 2013
Lower concentrations of polymer solution result in less p-doping.
First light for MoS2
Apr 19, 2013
2D semiconductor could rival wonder material graphene and even silicon itself in future optoelectronics.
Graphene plasmonics for optoelectronics
Apr 18, 2013
IBM researchers calculate plasmon-damping rates in carbon nanostructures.
Amino acids allow bacterial 'nanowires' to conduct electricity
Apr 16, 2013
Research could allow similar materials to be synthesized in the lab.
How could nonlinearity limit NEMS?
Apr 15, 2013
Latest experiments shed more light on nanoscale behaviour.
Silicon atoms seen ‘dancing’ in graphene
Apr 12, 2013
Motion of cluster atoms tracked using electron microscope.
Full steam ahead for gold nanoparticles
Apr 11, 2013
Phenomenon could come in handy for sterilizing medical instruments and purifying water, among other applications.